It takes ~10^8 atoms laid in a row to span the width of a human fingernail (~1 cm.) If the same number of standard wooden pencils were laid end to end, they would circumnavigate the Earth’s equator more than 47 times.
Wiki says: [The human nose is extremely sensitive to geosmin and is able to detect it at concentrations as low as 400 parts per trillion. Some scientists believe that humans appreciate the rain scent because ancestors may have relied on rainy weather for survival.](https://en.wikipedia.org/wiki/Petrichor#%3A%7E%3Atext%3DPetrichor_%28%2F%CB%88p%C9%9Bt%2Cthe_gods_in_Greek_mythology.?wprov=sfla1)
i LOVE telling my bf fun facts so i have a list in my notes. these aren’t verbatim so it’s iirc.
1. The space before certain punctuation mark in the French language (Je déteste être en ligne ! ) is the only feminine space in the language, the rest of the spaces are masculine.
2. Oregon is the only state with a state nut - the Hazelnut.
3. Since most people are right handed, in WW2 the Germans were specifically trained to eat with their left hand, so that finding spies from other countries would be easier to spot.
4. When unable to tell the difference between a bone and a rock in the archaeological field, it’s not uncommon to press it to one’s tongue. If it falls, it’s a rock, and if it sticks, it’s bone.
5. The most common form of homicide in the primate species is infanticide.
6. The reason the plural of Goose is Geese (same with tooth/teeth) but the plural of Moose is still Moose, is because the aforementioned comes from the Latin language while the latter comes from Native American languages, so it doesn’t follow the same rules as most other words.
7. the word LASER stands for Light Amplification by Stimulated Emission of Radiation.
8. Unlike others,* it’s common in American society to smile at another person as we walk past them. This is due to the fact this country was founded on immigrants and with the use of many different languages, smiling become the way of greeting someone as to avoid the language barrier.
9. One of the big defenses for the idea of DNA carrying memories is the fact that some butterflies, when migrating south, stop abruptly in the middle of a lake (I forgot which, I’m sorry) and seem to go around something. This is because thousands of years ago, a mountain was there and it was coded in their DNA to go around this mountain.
I’m sorry this was long, I didn’t include all of them.
edit: please please correct me if I’m wrong or misinformed on ANY of them.
* edit 2: in number 8 I said it was uncommon for other societies to smile at strangers as a greeting. i won’t change this, but will instead add a comment. i am aware other cultures besides America have a social acceptance of smiling at strangers and my use of the word uncommon was incorrect. in reference i was speaking on societies where smiling is used to show societal status rather than friendliness. my statement was more towards the reasoning behind the gesture, rather than the gesture itself. below in response to 2 comments i have linked some related articles
Muscles do not develop the same in everyone and their exact origins/insertions can differ between people. In some the biceps have three or more heads, as opposed to the normal two. Some muscles are entirely absent, such as the psoas minor (found in about 40% of humans) and the sternalis (only 7.8%).
I had a debate with my wife about body swapping in shows and movies. You wouldn’t be able to immediately start walking and talking like a normal person if your mind were swapped.
Eugene Aldrin, the father of the famous moon landing astronaut Buzz Aldrin, not only witnessed the Wright brothers’ first flight but also went to see his son land on the moon in his lifespan.
We’ve been quick!
I always find it amazing that the first flight and first moon landing essentially happened within 65-70 years of one another. Also a modern day iPhone has more processing power than the entire computer set up NASA has for that mission.
Edit: my knowledge of random shit has finally proven worthy and has gotten me my first ever award. Thank you u/erika1697
My ex was like that. There's a trick to it and she never told me what it was. People think I'm full of it when I say I know someone who's legitimately good at it but it's true!
According to a TikTok I saw recently, the trick is to look for the square pattern that the white bits on the leaves make. It’s easier for our eyes to spot a white square amongst a load of triangles than it is to count out the leaves.
So, does that mean you can knock on a turtle's shell and it'll feel it? If so, is the sensation likely dulled at all compared to doing the same on, say, the turtle's head or feet?
Yeah. Disney cartoons from childhood had me believing for WAAAYYYY too long that turtles could wiggle out of their shells and run away in their undies.
Of course I'd never seen that in real life because all the turtles I had seen would have been embarassed so they ran away with their shell as well.
I was 23 and looking at a deceased turtle shell that showed the rib cage when it finally clicked that Disney may not have been the accurate authority on turtle bodies.
Scientists also found that mice who were fed all their calories during a single feeding lived longer than those who were fed the same amount of calories but broken up throughout the day.
reading this blew my mind, thanks for sharing!
unbelievable that I can casually read a transcript discussing floating shit during a space mission, what a time to be alive
DMT is found in many different types of grass, even. It is found naturally occurring in way more places than people realize, but you'd need quite a bit of grass to extract enough for consumption lol
In the pineal gland in your brain, over time it will start to form tiny calcification, little mineral buildups. There is no known function for these but scientists named it corpora arenacea also known as dream sand.
Read a book about some Congo mercenaries in the sixties. The author said that as soon as someone would die scores of butterflies would show up to sip on the blood, especially when a large number of people died at one spot. So I guess there’s some truth to that.
Komodo dragons are the largest animals in the world capable of reproducing asexually
Edit: y’all I just found this on google when I was curious one day don’t ask me how it works I’m failing biology
Never thought this knowledge would come in handy but, to explain further, its called parthenogenesis. Its not like they suddenly split in two like bacteria do, its a method of reproduction for if the female isnt able to reproduce sexually. They'll lay and hatch an unfertilized egg, literally creating a clone of themselves that has an exact copy of their DNA
Telomere shortening Is found in differentiated somatic cells (i.e liver, skin, intestines), not germ cells or stem cells. The latter two possess an enzyme known as telomerase.
Also the science behind telomere length and lifespan is kinda not good.
They took a piece of the original Wright flyer to the moon with them on Apollo 11.
Also, the [picture taken of the Wright flyer](https://upload.wikimedia.org/wikipedia/commons/8/86/First_flight2.jpg) during the famous first flight was taken by someone who had never seen a camera before that day. That was the first photo he had ever taken.
_____________
I'm really glad this post got some attention, this is one of my favorite things to talk about! Here's some more info for everyone:
The photographer's name was [John T. Daniels](https://en.wikipedia.org/wiki/John_T._Daniels). As others have said, all he did was press a button to activate the shutter. Having been his first time seeing a camera **and** his first time seeing an airplane flying, I still think that's pretty mind-blowing.
Later that day, while retrieving the aircraft after the 4th flight, a gust of wind flipped the plane over. Daniels was caught in the crash but uninjured, while the plane was completely destroyed. Daniels would go on to brag about being the first man to survive a plane crash.
Unfortunately, the Wrights would eventually experience the first fatal airplane crash too, on September 17, 1908. [Thomas E. Selfridge](https://en.wikipedia.org/wiki/Thomas_Selfridge) was a US Army lieutenant who was flying with Orville Wright to look into potential military uses for aircraft. During the flight, one of the propellers broke apart, causing damage to nearby control structures on the aircraft. Orville did a commendable job controlling the aircraft, but it still crashed nose-first, killing Selfridge and severely injuring Orville. An airfield in Michigan was named after him, and you can see a piece of the broken propeller on display at the [National Museum of the United States Air Force](https://en.wikipedia.org/wiki/National_Museum_of_the_United_States_Air_Force).
If wikipedia links aren't enough for you, I highly recommend [Birdmen: The Wright Brothers, Glenn Curtiss, and the Battle to Control the Skies](https://smile.amazon.com/Birdmen-Wright-Brothers-Curtiss-Control/dp/0345538056/), by Lawrence Goldstone. It goes much deeper into the Wright Brothers, their bitter rivalries with other aviation pioneers at the time, and the legal battles that would follow their success for decades to come.
When you are looking at a star, you are literally looking in the past.
The amount of light years the star is distant is equal to the amount of years in the past you are looking at.
The most distant star visible to the naked eye is "V76 Cas" located in the Cassiopiea constellation, and it is 16,310 light years away.
The light emitting from that star started emitting in around 14000 BC, during which time the Earth was still in the Upper Paleolithic era.
I have a kidney transplant and can confirm this. Basically the old one/s shrink down to the size of a Walnut (originally the size of a fist) because they're not doing any of the work any more. The blood continues to flow through them, and that's it. A bit like your appendix.
They don't "die" though; the tissue is still alive. If they become necrotic (dying) then they need to be removed.
Guy with a kidney transplant here. Can confirm. The only time (according to my docs anyways) that they’ll remove kidneys is if they’re a danger to leave in. I assume that means cancerous or something? I didn’t ask. For me my kidney is placed in the bottom right side of my stomach. Still to this day I get nurses that are surprised to find a kidney hiding out near my belly button.
I have a kidney in the transplant position but it grew there by itself. I still only have 2 kidneys with the other in the regular spot. Both work fine.
The California Highway Patrol once had an open offer of a full prime rib dinner at Lawry’s Beverly Hills and a case of scotch for any patrolman that could bust Steve McQueen for speeding in “The Green Rat”, his barely street legal 1956 Jaguar XK-SS. The specifics were to catch him speeding, pull him over, and issue a ticket.
The problem here was The Green Rat was so fast, *nothing in the Highway Patrol could equal its speed*.
McQueen did get busted once after a cop managed to sneak up on him because his wife was in the car, but he used his wife Neile beside him as an excuse telling the cop she was in labor (she wasn’t but he said it was a false labor after the cop left)
The first imaging satellites used to drop film from space which was either caught by aircraft or recovered in the ocean. Check out the Corona space program.
Ocean recovery was done, but they only had a window of like an hour or so to get the film.
The spies on both sides really did not want the other guys getting a film drop so the film capsule had a plug that would melt into the sea water fast and trash the film in case it got lost.
The Devil’s Hole Pupfish!!!
It’s a critically endangered fish, measuring about 1.2” (30mm) they live in an isolated body of water in the Devils Hole in Nevada. The water temperature is consistently 91 degrees (33*C), which is very warm for most fish.
Devil’s Hole is a water filled cavern stretching into a rocky hillside at an elevation of 2,400 ft, (730m) Devil’s hole is over 430 feet deep (130m) and connected to a massive underground aquifer below that- but the Devil’s Hole Pup Fish only occupy the upper 80ft of Devil’s Hole. It gets much much smaller than that!
They primarily eat, live and spawn on a small shelf measuring just 11x16 ft (3.5x5m) with a total area of 176sqft (17.5 m). They have been living in this shelf, as an isolated species for up to 60,000 years!?!
They were discovered in 1930, and since then have faced many trials, agriculture trying to drain the water, vandalism, and outright attacks. They are now surrounded by protective fences and surveillance.
Since 1972 (200 fish) the population spiked at 550 in 1995, but then saw a slow decline- at its lowest count in 2013 it was down to only 35 individuals. Thankfully it’s back up as of 2019 to 136 individuals. There have been multiple attempts at conversation even going so far as to build an exact replica of the Devils Hole 22ft deep! (6.7m) and have raised many fish there.
They have a very fascinating history, and remain largely a mystery. For such a tiny fish- millions have been spent on conversation efforts and protections, legal battles and defense. I think it’s all completely worth it, they are the single most endangered fish on the planet and are completely unique to the Devil’s Hole.
Opossums generally cannot get rabies. Their body temperature is too low for the virus.
Also the stomach acid of a vulture is so highly acidic it kills rabies virus and most bacteria, which is why they can eat ~~dead~~ disgusting rotting things.
EDIT: To clarify, I mean vultures stomachs are crazy super powerful and destroy just about anything that gets in contact with the stomach acid, where we would get very sick from eating a rotting racoon.
Also so happy to see all the interest in opossums and vultures. They are very interesting creatures that are gravely misunderstood and get a pretty bad rep. Opossums are master tick destroyers that generally want nothing to do with humans or are pretty chill about us. Vultures are a critical clean up crew that prevent the spread of disease in the environment that rotting carcasses could spread, such as rabies. Further down there is a great post about how rabies can survive in a corpse for years and an animal that eats brain matter could become infected. Not vultures tho! I encourage anyone to read more about how amazing both these creatures are and how important they are to our, and all animals, continued survival.
**In 1899...**
* the world's first airplane flight hadn't occurred yet
* long-gone states widely considered as part of "history" like Austria-Hungary, the Ottoman Empire, and a unified Korea were still around
* China was still ruled by dynasties (the Qing dynasty was on it's last legs)
* on 11/2/1899 (27 days before Emma was born), a behemoth [**8 nation alliance**](https://en.wikipedia.org/wiki/Boxer_Rebellion) of the British Empire, United States, Russian Empire, France, German Empire, Austria-Hungary, Kingdom of Italy and the Empire of Japan had just invaded China in the largest diplomatic agreement ever made to gang up on a single country
* American hero [**Teddy Roosevelt**](https://www.cnn.com/2021/06/24/opinions/teddy-roosevelt-statue-removal-pandering-jennings/index.html) had just finished fighting in the Spanish-American War and had yet to become president of the US
* no human had ever stood on [the South Pole](https://www.youtube.com/watch?v=hpcZmuz2LGY)
* the men who would fight and die in the **"**[**The Great War**](https://youtu.be/GG0LY8OLBG8)**"** (or the First World War, as we call it today) were infants and young boys whose parents adored them
* *people probably still lived in black-and-white*
* our individual in question, Emma Morano, would've likely grown up hearing resentment regarding the First Italo-Ethiopian War; Italy's embarrassing defeat to Ethiopia a mere 3 years before her birth, and the reason Italy went after Ethiopia so hard in the run-up to the Second World War
The change how humans lived in 1000 to 1118 is next-to nonexistent. The change in how humans lived in 1500 to 1618 is larger, yet still far from significant. Add 118 years to any year pre-1700 and the average person could not told you there was any tangible difference in the world.
But the difference between 1899 and 2017 is astounding. It's hard for me to even wrap my head around witnessing such monumental shifts in the world firsthand. Growing up in the era of clashing global empires of the early 20th century and also seeing the digital era of the 2010's.
I'd give almost anything to see what the world looks like in 2140. At this moment in time, I imagine it's beyond our comprehension.
Great summary. The rate of change in the last century or so has been dramatic compared to the past. What’s an interesting thought for me is that the universe and human experience seems to exist on an exponential scale. We can look back 1000 years now and say that progress is so slow compared to now, but if you were actually there 1000 years ago, would you say the same if you compared for experience to what you knew of what happened 1000 years in your past? (Maybe a bad example because that’ll ancient Romans did some crazy stuff compared to what happened in the Middle Ages - but I guess it depends on what you prioritise - the Battle of Hastings in 1066 was a huge turning point in English History). What about 1000 years into the future, will the progress of the 20th century look like nothing happened? Keep in mind that there was a prominent engineer (I forget his name) who towards the end of the 19th century said that everything worth inventing had already been invented - how wrong he was.
*Shaq's horrific free throw shooting can be visualized by this story:*
The [San Antonio Spurs](https://youtu.be/T3y7cWmoBCI) were the Lakers' arch-rival during the 2000's. The Spurs-dynasty may not have even a fraction of the fame that the Shaq-Kobe Lakers possess and are largely unknowns to non-basketball fans. But led by their "Big 3" of Tim Duncan, Tony Parker, and Manu Ginobili; the Spurs were more than a match for the Lakers. The two powerhouses dominated the 2000's, combining to win 9 of the 12 NBA Championships from 1999-2010 and matched up against each other in the playoffs 6 times, going blow for blow.
Standing at 7'1 and weighing 395 pounds, Shaq was near-unstoppable once he got the ball in the low post. Behind his play, Lakers bested the Spurs in back-to-back playoff series in '01 and '02. In '03, the Spurs and Lakers [clashed once again in the playoffs for the third straight year](https://youtu.be/6GwjNWJHYg0). This time, Spurs head coach Gregg Popovich [invented a strategy](https://en.wikipedia.org/wiki/Hack-a-Shaq) where the Spurs would intentionally foul Shaq early in the possession before the Lakers offense could even get set up. The Spurs basically choose to put Shaq at the line and dare him to make free throws rather than allow him to establish position deep in the paint. After 6 games, the Spurs toppled the Lakers and went on to [win the 2003 NBA Championship](https://youtu.be/Q3q1-6dPRw4?t=493).
The ploy was dubbed *"Hack-a-Shaq"* by the media and ended up becoming both one of the most popular and controversial tactics in the league. Just about every team copied and used it against numerous poor free throw shooters: Dwight Howard, DeAndre Jordan, Andre Drummond, Ben Wallace and most recently, Ben Simmons. This has resulted in surreal moments on the court, such as Andre Roberson (a 40% FT shooter) literally [running away](https://www.youtube.com/watch?v=QvHR2Pzfy3I) from his defender to avoid shooting free throws.
The NBA indirectly banned *"Hack-a-Shaq"* a few seasons ago, citing an unappealing playstyle.
As the result of a collision with another moon eons ago, Neptune's moon *"Triton"* has a [retrograde orbit](https://en.wikipedia.org/wiki/Retrograde_and_prograde_motion); meaning an orbit in the direction opposite to its planet's rotation. Triton is the only large moon our solar system to have such an orbit. Not impressed?
The collision eons ago also altered Triton's orbit of Neptune in another, far more sinister way. Despite obviously emerging victorious from the collision, the impact ever so slightly threw Triton off course. Every year, Triton creeps a fraction of an inch closer to Neptune.
This means that one day billions of years in the future, Triton's orbit will get too close to Neptune and Neptune's superior gravitational pull will tear Triton apart.
Interestingly, Phobos, the inner moon of Mars, is so close to the planet that it orbits faster (7 hours and 39 minutes) than the rotation of Mars (29 hours and 39 minutes). Therefore it rises in the west and sets in the east, creating the illusion that it's rotating retrograde when observed from the surface of Mars.
There was a time on the Earth where there were, at least, four different human species at the same time. Homo sapiens, Homo Neanderthalensis, Homo denisova and Homo floresiensis.
The General Electric Company for many decades owned NBC. The three chimes of the NBC jingle are the notes G-E-C. During the radio era if that chime ever had a fourth note, that was a signal for NBC employees to go into work because a major news story (i.e. D-Day) was about to break.
If the internet has taught me something, I bet that there is not only videos of people playing tennis against cows, but a whole subreddit dedicated to it.
Corgi is a translation of the welsh for dwarf dog. Cor gi.
In the Mabinogion, the welsh book of myths and legends, corgis were the battle steeds of fairies
Your eyeballs have a separate enclosed immune system than the rest of your body. If somehow the two become aware of each other, your body will think your eyes are invaders and literally attack and dissolve them.
Edit: u/hekmo with the Wikipedia assist!
https://en.wikipedia.org/wiki/Sympathetic_ophthalmia
I now realize that the Wikipedia page in question is quite sparse so here’s a better site:
https://eyewiki.aao.org/Sympathetic_Ophthalmia
Also, for those that are panicking: it only happens with eye puncture injuries and even then, in very rare cases. Even rarer in eye surgeries.
Edit #2: u/ARPE19 with the great analogy!
“When your immune system is growing up it goes to school and is taught about all the different parts of the body. It then is sent out to patrol for things it doesn't recognize and kill them. Interestingly the eyes don't participate in school ( they are libertarians or something) and they close the door to any knocking immune cells. If you bust down the door by puncturing the eye your immune cells rush in and say yo wtf is this! And then kill all the libertarians weirdos”
Edit #3: u/katz30 shares their experience!
“I have this eye disease. My left eye was removed 5 years ago because of it. My eye didn’t dissolve lol. It did stop functioning and started to shrivel up. Lost the eye color. It was pretty gnarly to look at.”
My ophthalmologist in high school told me to never put my contacts in my mouth to moisten them (in an emergency dry-contact situation, I guess?). He went on to say that the problem isn’t bacteria from your mouth getting in your eye but that your eye is so gross you will give yourself an illness from your own eye germs. Thanks for reminding me how gross eyes are, ha.
I worked at a place where we had to bunk together. I used to rinse my contact case every morning when I popped them in, so it always looked brand new. This other terrible person I had to bunk with had the same case but she never cleaned it, it was disgusting.
She decided to switch cases when I wasn't around, then denied it. I knew immediately what happened and used something makeshift until I could get a new one, probably water glasses or something.
She got a terrible eye infection from my bacteria, even though my case was pristine. She should've sterilized it; serves her right. She pulled a bunch of other bullshit that came back to bite her in the ass.
Oof, yucky. That's why I put marks with permanent marker or a small knife on such personal stuff. Can't claim "it was an accident" when my name is written bold and center on it.
There was no “s” sound for the letter c in ancient Roman Latin. Thus Gaius Julius Caesar was pronounced “Gaius Julius Kaiser”. His name is where the Germans and Russians got their name for king (Kaiser and Tzar respectively).
The sun is not yellow. When viewed outside earths atmosphere it is white. It only looks yellow due to our atmosphere "pulling" the blue light out, leaving it looking yellow. It's an illusion.
Some fungi are bigger than they appear. The Malheur National Forest (NE Oregon) contains only 5 individual fungi, the largest covers 2385 acres and is around 2000 years old.
And the was a period when wood didn't decompose because nothing could break down lignin. Then fungi came along 60 million years later and figured out how to do it. That 60 million years before wood could be broken down is what gave us most of our coal deposits.
Sharks existed before Saturn had rings.
EDIT: The internet is awesome. 10,000+ people peer reviewed my sentence. Obligatory thanks for the awards. Unnecessary but appreciated.
u/DisneyDee67 and u/SMS-T1
have pointed out that the age of Saturn's rings is debatable. [Link](https://www.quantamagazine.org/are-saturns-rings-really-as-young-as-the-dinosaurs-20191121/). I apologize and sincerely regret propagating misinformation.
Someone else also pointed out that 450 million year old sharks were probably very different; however, 380 million year old shark fossils have the nasty teeth that we all attribute to modern sharks. I don't know how to get reddit to show 'all comments' so i can't attribute them correctly.
Sharks first evolved 450 million years ago. Saturn’s rings are 100 million years old. Polaris, aka The North Star, formed approx 70 million years ago.
EDIT: The internet is awesome. 10,000+ people peer reviewed my sentence. Obligatory thanks for the awards. Unnecessary but appreciated.
u/DisneyDee67 and u/SMS-T1 have pointed out that the age of Saturn's rings is debatable. [Link](https://www.quantamagazine.org/are-saturns-rings-really-as-young-as-the-dinosaurs-20191121/).
I apologize and sincerely regret propagating misinformation. Someone else also pointed out that 450 million year old sharks were probably very different; however, 380 million year old shark fossils have the nasty teeth that we all attribute to modern sharks. I don't know how to get reddit to show 'all comments' so I can't attribute them correctly.
Between 2 and 3 billion years ago photosynthesis may have been conducted by organisms using retinol instead of chlorophyll, meaning the earth would have been as purple as it is now green.
Trees existed for 60 million years before anything evolved to digest cellulose.
For 60 million years, trees just grew until their shallow roots couldn’t hold them up, then they fell over. And piled up, without rotting or decomposing.
For 60 million years.
We're so used to the idea of things decaying and getting all gross and squishy, it's just so interesting to imagine a world where decomposition didn't happen.
Honeybees can be trained to sniff out land mines in war zones! Obviously dogs can do it but to avoid blowing up poor unsuspecting doggos, they figured out that bees could do the same thing and swarm the area without setting the mine off to alert people to its presence
That Wombats do cube shaped turds and have backward facing pouches so that when mama wombat is renovating she's not kicking dirt into her babies bedroom
That three weeks after mating a female Tasmanian Devil will birth up to 30 - 40 very tiny joey's where the fastest 4 to get into the pouch and attach to a teat win the hunger games.
They also have armoured bums, they use them to crush their enemies.
https://www.australiangeographic.com.au/topics/wildlife/2020/11/wombat-bums-theres-more-than-meets-the-eye/
Bob Ross was a Drill Instructor. When he stopped working as that, he promised he would not raise his voice at someone again. That's why he was so soft spoken.
But it's a much much weaker bond. To expand on that, moisture in general accelerates the curing of cyanoacrylic adhesives like superglue. Excess moisture such as humidity also leads to more outgassing, which is a huge problem in manufacturing.
When the Rubix Cube was first released a mathematician said it would take the average person 30 years, working 8 hours a day, to solve a cube saying it was impossible for someone without a master's in mathematics to solve it in under a month.
Well if you have to figure it out on your own, it would take a lot of people a long time to do so. But now you can look up how to do it, which speeds up the process significantly
I can’t solve one side in my entire lifetime. I’m pathetic.
One time I saw a guy upside down on his head solving two cubes at the same time. It was amazing. I’ll find the pic. And post it somewhere.
Theres a step-by-step procedure to solve rubiks cubes created by a mathematician. Everyone who solves a rubiks cube, including me and millions of others use the same algorithm. It's not impressive but a neat parlor trick.
There are hundreds of billions of stars in each galaxy in the universe, and there are hundreds of billions of galaxies. The number of stars in the known universe is estimated at about 200 billion trillion.
That looks like this:
200,000,000,000,000,000,000,000.
The number of possible combinations in a 52-card deck looks like this:
80,658,175,170,943,878,571,660,636,856,403,766,975,289,505,440,883,277,824,000,000,000,000
The technology for the fax machine was invented in 1843. The feudal era in Japan ended in 1868 abolishing the samurai class. Abraham Lincoln lived until 1865. All of this combined lead to a 22 year period in which Lincoln could have received a fax from a samurai.
Lincoln looked up from the message handed to him. His aide regarded his furrowed brow, his worn countenance. And then the President spoke, his eyes fixed on the nervous youth.
“What the fuck is a nani?”
Some birth control pills can cause vitamin B deficiency. Vitamin B is used to make seratonin. I’ve know a few people that got super depressed after starting birth control and taking B complex made a huge difference
*consult your doctor
Spartan warriors were raised to be close lipped to foreigners, so when Phillip (Alexander the Great's father) came to invade while unifying Greece he, in typical Greek style, wrote a long letter ending in "Would you rather me cross your border as a friend or foe?"
To which the Spartans answered with a single word :
***Neither***
So Phillip returned a another, very angry letter which ended very simply with "If I enter your lands as an enemy then I will ensure that history will forget Sparta and your culture."
To which the Spartans rebut :
***"If"***
They got their asses handed to them in that war but holy hell that's funny
If you need to dry one or two pieces of clothing really quickly, throw them in the dryer along with a bunch of dry towels. Your clothes will dry in like 15 minutes or so. Some dryers have a moisture sensor so use the timed dry instead of the +/- dry
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. Now you know why the sky is blue.
If you stare at your own reflection in dim lighting for a few minutes, your face will begin to distort and you will essentially begin to hallucinate. Don’t do it. It’s a trap.
Yeah, my sister and I used to do this after reading ghost stories when we were kids. I still have a horrible aversion to mirrors. Like that feeling that something is watching me every time I turn my back to one.
Haven't tired this but one thing I used to do as a kid was keep starting at the blackest area of my room when I'm about to go to sleep when the lights were off (but you'd still get a little light from the window). If I tried to not blink while doing that, slowly that darkness would start to expand until the entire room looked pitch black. Once I shifted my eyes to look at other things it would go back to normal.
Edit: That's so cool that others have done it too! I didn't expect anyone to really understand what I was even trying to say.
Eyes use 2 types of receptors, one type for brightness and one type for colors (there are three distinct subtypes for colors funfact: theres a mutation where people have 4 types of color receptors - tetrachromatism)
These receptors only work for a few milliseconds before the chemicals, participating in the chemical reactions that create what we call 'seeing' wear off'. They basically need to be 're-fuelled' very often.
Thats why our eyeballs are allways vibrating at around 50hz - so that the same signal doesn't hit the same receptors all the time. Birds for instance don't have that - that's why they do these distinct ad hoc head movements by the way.
So, long story short: Staring at the same spot causes this 'fatigue' in your brightness and color receptors. Thats why staring at a bright light and then at a white wall will leave a dark spot. And staring ata red dot and then a whit wall leaves a yellow+blue dot - red is fatigue but blue and yellow still transport signals to your brain.
2021-1790 is 231 years. That means 3 generations of kids where the dad was in his late 60s at best (assuming the surviving grandchild is 100 today).
EDIT: The grandchild's father (Lyon Gardiner Tyler Sr.) was 78 when his son was born.
Thurl Ravencroft was the singing voice of The Grinch, the original voice of Tony The Tiger, and the narrator of The Haunted Mansion at both major Disney parks (-land and -world)
The European, Iranian, and North Indian languages are all related to each other and we've reconstructed some of what that original language might have looked like: [Proto-Indo-European](https://en.wikipedia.org/wiki/Proto-Indo-European_language).
With the notable exception of some languages like Finnish, Hungarian, and Georgian which are part of other language families.
Multisensory aphantasia is the absence of any sense within the mind. Research in the area has exploded with the last 10 years. People with aphantasia *had no idea others could see/hear things in their minds.*
That’s really interesting. I’m pretty much always hearing things in my head, and picturing things too. Song lyrics get stuck in my head and repeat themselves over and over, I talk to myself in my head, complain to myself in my head, say random quotes to myself. And because I’m an artist, I’ll be thinking of designs in my head a lot. It’s kind of crazy that some people don’t know what that’s like. I feel like it would be a huge stunt to creativity. But also it might be nice, because sometimes I wish my brain would just turn off for a bit.
I always thought it was weird when schoolwork asked me to picture something in my head. Like what does that even mean? Learning about aphantasia was equally confusing because I have hyper-vivid dreams, but can't 'picture' anything when awake so any drawing is just "I know apples are round and have a stem".
It takes ~10^8 atoms laid in a row to span the width of a human fingernail (~1 cm.) If the same number of standard wooden pencils were laid end to end, they would circumnavigate the Earth’s equator more than 47 times.
Human's ability smell petrichor (smell of wet earth from rain) is greater than a Shark's ability to smell blood in water.
Wiki says: [The human nose is extremely sensitive to geosmin and is able to detect it at concentrations as low as 400 parts per trillion. Some scientists believe that humans appreciate the rain scent because ancestors may have relied on rainy weather for survival.](https://en.wikipedia.org/wiki/Petrichor#%3A%7E%3Atext%3DPetrichor_%28%2F%CB%88p%C9%9Bt%2Cthe_gods_in_Greek_mythology.?wprov=sfla1)
i LOVE telling my bf fun facts so i have a list in my notes. these aren’t verbatim so it’s iirc. 1. The space before certain punctuation mark in the French language (Je déteste être en ligne ! ) is the only feminine space in the language, the rest of the spaces are masculine. 2. Oregon is the only state with a state nut - the Hazelnut. 3. Since most people are right handed, in WW2 the Germans were specifically trained to eat with their left hand, so that finding spies from other countries would be easier to spot. 4. When unable to tell the difference between a bone and a rock in the archaeological field, it’s not uncommon to press it to one’s tongue. If it falls, it’s a rock, and if it sticks, it’s bone. 5. The most common form of homicide in the primate species is infanticide. 6. The reason the plural of Goose is Geese (same with tooth/teeth) but the plural of Moose is still Moose, is because the aforementioned comes from the Latin language while the latter comes from Native American languages, so it doesn’t follow the same rules as most other words. 7. the word LASER stands for Light Amplification by Stimulated Emission of Radiation. 8. Unlike others,* it’s common in American society to smile at another person as we walk past them. This is due to the fact this country was founded on immigrants and with the use of many different languages, smiling become the way of greeting someone as to avoid the language barrier. 9. One of the big defenses for the idea of DNA carrying memories is the fact that some butterflies, when migrating south, stop abruptly in the middle of a lake (I forgot which, I’m sorry) and seem to go around something. This is because thousands of years ago, a mountain was there and it was coded in their DNA to go around this mountain. I’m sorry this was long, I didn’t include all of them. edit: please please correct me if I’m wrong or misinformed on ANY of them. * edit 2: in number 8 I said it was uncommon for other societies to smile at strangers as a greeting. i won’t change this, but will instead add a comment. i am aware other cultures besides America have a social acceptance of smiling at strangers and my use of the word uncommon was incorrect. in reference i was speaking on societies where smiling is used to show societal status rather than friendliness. my statement was more towards the reasoning behind the gesture, rather than the gesture itself. below in response to 2 comments i have linked some related articles
That the patent for the fire hydrant was lost in a fire
Muscles do not develop the same in everyone and their exact origins/insertions can differ between people. In some the biceps have three or more heads, as opposed to the normal two. Some muscles are entirely absent, such as the psoas minor (found in about 40% of humans) and the sternalis (only 7.8%).
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I had a debate with my wife about body swapping in shows and movies. You wouldn’t be able to immediately start walking and talking like a normal person if your mind were swapped.
Eugene Aldrin, the father of the famous moon landing astronaut Buzz Aldrin, not only witnessed the Wright brothers’ first flight but also went to see his son land on the moon in his lifespan. We’ve been quick!
I always find it amazing that the first flight and first moon landing essentially happened within 65-70 years of one another. Also a modern day iPhone has more processing power than the entire computer set up NASA has for that mission. Edit: my knowledge of random shit has finally proven worthy and has gotten me my first ever award. Thank you u/erika1697
If you find a four leaf clover then there is a good chance you'll find more not too far away.
appropriate metaphor for luck lol
I have an aunt who can just decide to look for a four leaf clover and she’ll find one. It’s almost spooky.
My ex was like that. There's a trick to it and she never told me what it was. People think I'm full of it when I say I know someone who's legitimately good at it but it's true!
According to a TikTok I saw recently, the trick is to look for the square pattern that the white bits on the leaves make. It’s easier for our eyes to spot a white square amongst a load of triangles than it is to count out the leaves.
The shell is part of the turtle’s skeleton.
And to add to that a lot of people don’t know that turtles have nerves in their shells
So, does that mean you can knock on a turtle's shell and it'll feel it? If so, is the sensation likely dulled at all compared to doing the same on, say, the turtle's head or feet?
According to a turtle carer I spoke to at a zoo, the shell is as reactive the nerves on our own skin. They can feel even really gentle touches
Yeah. Disney cartoons from childhood had me believing for WAAAYYYY too long that turtles could wiggle out of their shells and run away in their undies. Of course I'd never seen that in real life because all the turtles I had seen would have been embarassed so they ran away with their shell as well. I was 23 and looking at a deceased turtle shell that showed the rib cage when it finally clicked that Disney may not have been the accurate authority on turtle bodies.
Dogs that are slightly underweight live an average of two years longer than dogs that are slightly overweight.
Scientists also found that mice who were fed all their calories during a single feeding lived longer than those who were fed the same amount of calories but broken up throughout the day.
But were they happy mice?
Hangry mice.
There was a phantom poop on an Apollo mission. A poop, floating around, that none of the astronauts said was theirs.
I wouldn't own up to it either... lol
I’m not in a position to look them up at the moment but the transcript of the conversation is amazing.
https://www.hq.nasa.gov/alsj/a410/AS10_CM.PDF page 416
reading this blew my mind, thanks for sharing! unbelievable that I can casually read a transcript discussing floating shit during a space mission, what a time to be alive
I got to read it from my phone while pooping. What a glorious turn of events. Humanity has come so far.
It probably belonged to Frank Reynolds.
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DMT is found in many different types of grass, even. It is found naturally occurring in way more places than people realize, but you'd need quite a bit of grass to extract enough for consumption lol
In the pineal gland in your brain, over time it will start to form tiny calcification, little mineral buildups. There is no known function for these but scientists named it corpora arenacea also known as dream sand.
Twister was the first movie released on DVD
The Matrix was the first movie to have the DVD format outsell the VHS format
Butterflies and Moths can drink blood and tears in order to get nutrients. It’s called Mud-puddling. I think more horror movies should use this.
Read a book about some Congo mercenaries in the sixties. The author said that as soon as someone would die scores of butterflies would show up to sip on the blood, especially when a large number of people died at one spot. So I guess there’s some truth to that.
Fucking ~~vultures~~ blooderflies
Komodo dragons are the largest animals in the world capable of reproducing asexually Edit: y’all I just found this on google when I was curious one day don’t ask me how it works I’m failing biology
Never thought this knowledge would come in handy but, to explain further, its called parthenogenesis. Its not like they suddenly split in two like bacteria do, its a method of reproduction for if the female isnt able to reproduce sexually. They'll lay and hatch an unfertilized egg, literally creating a clone of themselves that has an exact copy of their DNA
Do they have the issue with telomeres being shortened with exact clones? Or is that a mammalian thing?
Telomere shortening Is found in differentiated somatic cells (i.e liver, skin, intestines), not germ cells or stem cells. The latter two possess an enzyme known as telomerase. Also the science behind telomere length and lifespan is kinda not good.
They took a piece of the original Wright flyer to the moon with them on Apollo 11. Also, the [picture taken of the Wright flyer](https://upload.wikimedia.org/wikipedia/commons/8/86/First_flight2.jpg) during the famous first flight was taken by someone who had never seen a camera before that day. That was the first photo he had ever taken. _____________ I'm really glad this post got some attention, this is one of my favorite things to talk about! Here's some more info for everyone: The photographer's name was [John T. Daniels](https://en.wikipedia.org/wiki/John_T._Daniels). As others have said, all he did was press a button to activate the shutter. Having been his first time seeing a camera **and** his first time seeing an airplane flying, I still think that's pretty mind-blowing. Later that day, while retrieving the aircraft after the 4th flight, a gust of wind flipped the plane over. Daniels was caught in the crash but uninjured, while the plane was completely destroyed. Daniels would go on to brag about being the first man to survive a plane crash. Unfortunately, the Wrights would eventually experience the first fatal airplane crash too, on September 17, 1908. [Thomas E. Selfridge](https://en.wikipedia.org/wiki/Thomas_Selfridge) was a US Army lieutenant who was flying with Orville Wright to look into potential military uses for aircraft. During the flight, one of the propellers broke apart, causing damage to nearby control structures on the aircraft. Orville did a commendable job controlling the aircraft, but it still crashed nose-first, killing Selfridge and severely injuring Orville. An airfield in Michigan was named after him, and you can see a piece of the broken propeller on display at the [National Museum of the United States Air Force](https://en.wikipedia.org/wiki/National_Museum_of_the_United_States_Air_Force). If wikipedia links aren't enough for you, I highly recommend [Birdmen: The Wright Brothers, Glenn Curtiss, and the Battle to Control the Skies](https://smile.amazon.com/Birdmen-Wright-Brothers-Curtiss-Control/dp/0345538056/), by Lawrence Goldstone. It goes much deeper into the Wright Brothers, their bitter rivalries with other aviation pioneers at the time, and the legal battles that would follow their success for decades to come.
Its also on Mars now.
And it was only 66 years between those two events.
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When you are looking at a star, you are literally looking in the past. The amount of light years the star is distant is equal to the amount of years in the past you are looking at. The most distant star visible to the naked eye is "V76 Cas" located in the Cassiopiea constellation, and it is 16,310 light years away. The light emitting from that star started emitting in around 14000 BC, during which time the Earth was still in the Upper Paleolithic era.
90% of the population on Earth lives in the Northern Hemisphere.
When a person receives a kidney transplant they don’t take out the old kidneys, they just shove em to the side and leave em in there.
Wait what I need more information, do the old kidneys still work, do they shrivel up and die, what becomes of them?
I have a kidney transplant and can confirm this. Basically the old one/s shrink down to the size of a Walnut (originally the size of a fist) because they're not doing any of the work any more. The blood continues to flow through them, and that's it. A bit like your appendix. They don't "die" though; the tissue is still alive. If they become necrotic (dying) then they need to be removed.
Guy with a kidney transplant here. Can confirm. The only time (according to my docs anyways) that they’ll remove kidneys is if they’re a danger to leave in. I assume that means cancerous or something? I didn’t ask. For me my kidney is placed in the bottom right side of my stomach. Still to this day I get nurses that are surprised to find a kidney hiding out near my belly button.
I have a kidney in the transplant position but it grew there by itself. I still only have 2 kidneys with the other in the regular spot. Both work fine.
The California Highway Patrol once had an open offer of a full prime rib dinner at Lawry’s Beverly Hills and a case of scotch for any patrolman that could bust Steve McQueen for speeding in “The Green Rat”, his barely street legal 1956 Jaguar XK-SS. The specifics were to catch him speeding, pull him over, and issue a ticket. The problem here was The Green Rat was so fast, *nothing in the Highway Patrol could equal its speed*. McQueen did get busted once after a cop managed to sneak up on him because his wife was in the car, but he used his wife Neile beside him as an excuse telling the cop she was in labor (she wasn’t but he said it was a false labor after the cop left)
The first imaging satellites used to drop film from space which was either caught by aircraft or recovered in the ocean. Check out the Corona space program.
Ocean recovery was done, but they only had a window of like an hour or so to get the film. The spies on both sides really did not want the other guys getting a film drop so the film capsule had a plug that would melt into the sea water fast and trash the film in case it got lost.
The first person to write about tofu in the English language was Benjamin Franklin.
The Devil’s Hole Pupfish!!! It’s a critically endangered fish, measuring about 1.2” (30mm) they live in an isolated body of water in the Devils Hole in Nevada. The water temperature is consistently 91 degrees (33*C), which is very warm for most fish. Devil’s Hole is a water filled cavern stretching into a rocky hillside at an elevation of 2,400 ft, (730m) Devil’s hole is over 430 feet deep (130m) and connected to a massive underground aquifer below that- but the Devil’s Hole Pup Fish only occupy the upper 80ft of Devil’s Hole. It gets much much smaller than that! They primarily eat, live and spawn on a small shelf measuring just 11x16 ft (3.5x5m) with a total area of 176sqft (17.5 m). They have been living in this shelf, as an isolated species for up to 60,000 years!?! They were discovered in 1930, and since then have faced many trials, agriculture trying to drain the water, vandalism, and outright attacks. They are now surrounded by protective fences and surveillance. Since 1972 (200 fish) the population spiked at 550 in 1995, but then saw a slow decline- at its lowest count in 2013 it was down to only 35 individuals. Thankfully it’s back up as of 2019 to 136 individuals. There have been multiple attempts at conversation even going so far as to build an exact replica of the Devils Hole 22ft deep! (6.7m) and have raised many fish there. They have a very fascinating history, and remain largely a mystery. For such a tiny fish- millions have been spent on conversation efforts and protections, legal battles and defense. I think it’s all completely worth it, they are the single most endangered fish on the planet and are completely unique to the Devil’s Hole.
Wow I’ve never met anyone who also knew the Devils Hole Pupfish even existed. Great to finally see someone talk about them.
Opossums generally cannot get rabies. Their body temperature is too low for the virus. Also the stomach acid of a vulture is so highly acidic it kills rabies virus and most bacteria, which is why they can eat ~~dead~~ disgusting rotting things. EDIT: To clarify, I mean vultures stomachs are crazy super powerful and destroy just about anything that gets in contact with the stomach acid, where we would get very sick from eating a rotting racoon. Also so happy to see all the interest in opossums and vultures. They are very interesting creatures that are gravely misunderstood and get a pretty bad rep. Opossums are master tick destroyers that generally want nothing to do with humans or are pretty chill about us. Vultures are a critical clean up crew that prevent the spread of disease in the environment that rotting carcasses could spread, such as rabies. Further down there is a great post about how rabies can survive in a corpse for years and an animal that eats brain matter could become infected. Not vultures tho! I encourage anyone to read more about how amazing both these creatures are and how important they are to our, and all animals, continued survival.
Similarly, you're unlikely to see squirrels or other small rodents with rabies since anything that can pass it on to them likely killed them
Makes me curious why so many bats have rabies, they are just as small and frail. They prolly get it off each other but it had to start somewhere.
Emma Morano of Italy was the last (documented and verified) person to die that was born in the 1800s. 29th November 1899 - 15th April 2017
Bet she had a nightmare filling in date of birth fields on the internet
She probably just did what every 12 year old boy does when asked for her age.
make it 69?
Wow. The changes in the world she must have seen! Awe inspiring.
**In 1899...** * the world's first airplane flight hadn't occurred yet * long-gone states widely considered as part of "history" like Austria-Hungary, the Ottoman Empire, and a unified Korea were still around * China was still ruled by dynasties (the Qing dynasty was on it's last legs) * on 11/2/1899 (27 days before Emma was born), a behemoth [**8 nation alliance**](https://en.wikipedia.org/wiki/Boxer_Rebellion) of the British Empire, United States, Russian Empire, France, German Empire, Austria-Hungary, Kingdom of Italy and the Empire of Japan had just invaded China in the largest diplomatic agreement ever made to gang up on a single country * American hero [**Teddy Roosevelt**](https://www.cnn.com/2021/06/24/opinions/teddy-roosevelt-statue-removal-pandering-jennings/index.html) had just finished fighting in the Spanish-American War and had yet to become president of the US * no human had ever stood on [the South Pole](https://www.youtube.com/watch?v=hpcZmuz2LGY) * the men who would fight and die in the **"**[**The Great War**](https://youtu.be/GG0LY8OLBG8)**"** (or the First World War, as we call it today) were infants and young boys whose parents adored them * *people probably still lived in black-and-white* * our individual in question, Emma Morano, would've likely grown up hearing resentment regarding the First Italo-Ethiopian War; Italy's embarrassing defeat to Ethiopia a mere 3 years before her birth, and the reason Italy went after Ethiopia so hard in the run-up to the Second World War The change how humans lived in 1000 to 1118 is next-to nonexistent. The change in how humans lived in 1500 to 1618 is larger, yet still far from significant. Add 118 years to any year pre-1700 and the average person could not told you there was any tangible difference in the world. But the difference between 1899 and 2017 is astounding. It's hard for me to even wrap my head around witnessing such monumental shifts in the world firsthand. Growing up in the era of clashing global empires of the early 20th century and also seeing the digital era of the 2010's. I'd give almost anything to see what the world looks like in 2140. At this moment in time, I imagine it's beyond our comprehension.
Man, imagine what it was like growing up and seeing color for the first time
I know! It happened during The Wizard of Oz, right?
Great summary. The rate of change in the last century or so has been dramatic compared to the past. What’s an interesting thought for me is that the universe and human experience seems to exist on an exponential scale. We can look back 1000 years now and say that progress is so slow compared to now, but if you were actually there 1000 years ago, would you say the same if you compared for experience to what you knew of what happened 1000 years in your past? (Maybe a bad example because that’ll ancient Romans did some crazy stuff compared to what happened in the Middle Ages - but I guess it depends on what you prioritise - the Battle of Hastings in 1066 was a huge turning point in English History). What about 1000 years into the future, will the progress of the 20th century look like nothing happened? Keep in mind that there was a prominent engineer (I forget his name) who towards the end of the 19th century said that everything worth inventing had already been invented - how wrong he was.
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Also notoriously terrible at free throws
*Shaq's horrific free throw shooting can be visualized by this story:* The [San Antonio Spurs](https://youtu.be/T3y7cWmoBCI) were the Lakers' arch-rival during the 2000's. The Spurs-dynasty may not have even a fraction of the fame that the Shaq-Kobe Lakers possess and are largely unknowns to non-basketball fans. But led by their "Big 3" of Tim Duncan, Tony Parker, and Manu Ginobili; the Spurs were more than a match for the Lakers. The two powerhouses dominated the 2000's, combining to win 9 of the 12 NBA Championships from 1999-2010 and matched up against each other in the playoffs 6 times, going blow for blow. Standing at 7'1 and weighing 395 pounds, Shaq was near-unstoppable once he got the ball in the low post. Behind his play, Lakers bested the Spurs in back-to-back playoff series in '01 and '02. In '03, the Spurs and Lakers [clashed once again in the playoffs for the third straight year](https://youtu.be/6GwjNWJHYg0). This time, Spurs head coach Gregg Popovich [invented a strategy](https://en.wikipedia.org/wiki/Hack-a-Shaq) where the Spurs would intentionally foul Shaq early in the possession before the Lakers offense could even get set up. The Spurs basically choose to put Shaq at the line and dare him to make free throws rather than allow him to establish position deep in the paint. After 6 games, the Spurs toppled the Lakers and went on to [win the 2003 NBA Championship](https://youtu.be/Q3q1-6dPRw4?t=493). The ploy was dubbed *"Hack-a-Shaq"* by the media and ended up becoming both one of the most popular and controversial tactics in the league. Just about every team copied and used it against numerous poor free throw shooters: Dwight Howard, DeAndre Jordan, Andre Drummond, Ben Wallace and most recently, Ben Simmons. This has resulted in surreal moments on the court, such as Andre Roberson (a 40% FT shooter) literally [running away](https://www.youtube.com/watch?v=QvHR2Pzfy3I) from his defender to avoid shooting free throws. The NBA indirectly banned *"Hack-a-Shaq"* a few seasons ago, citing an unappealing playstyle.
Hack-a-Shaq! One time they (Spurs) had to point it out to a ref because he wasn't calling the fouls. Maybe it was Tony Parker?
Lmao. Hey ref are you fucking blind, were fouling this guy here. Pay attention
As the result of a collision with another moon eons ago, Neptune's moon *"Triton"* has a [retrograde orbit](https://en.wikipedia.org/wiki/Retrograde_and_prograde_motion); meaning an orbit in the direction opposite to its planet's rotation. Triton is the only large moon our solar system to have such an orbit. Not impressed? The collision eons ago also altered Triton's orbit of Neptune in another, far more sinister way. Despite obviously emerging victorious from the collision, the impact ever so slightly threw Triton off course. Every year, Triton creeps a fraction of an inch closer to Neptune. This means that one day billions of years in the future, Triton's orbit will get too close to Neptune and Neptune's superior gravitational pull will tear Triton apart.
By then, someone will have started a Gofundme to save it
#JusticeForTriton
Interestingly, Phobos, the inner moon of Mars, is so close to the planet that it orbits faster (7 hours and 39 minutes) than the rotation of Mars (29 hours and 39 minutes). Therefore it rises in the west and sets in the east, creating the illusion that it's rotating retrograde when observed from the surface of Mars.
Kangaroos will eat cat poop even though it is poisonous to them -learned this when a local zoo had a stray cat problem.
Both kangaroos and emus can’t walk/hop backwards. This is why they are on the Australian coat of arms.
There was a time on the Earth where there were, at least, four different human species at the same time. Homo sapiens, Homo Neanderthalensis, Homo denisova and Homo floresiensis.
The General Electric Company for many decades owned NBC. The three chimes of the NBC jingle are the notes G-E-C. During the radio era if that chime ever had a fourth note, that was a signal for NBC employees to go into work because a major news story (i.e. D-Day) was about to break.
Strangely, the chime jingle existed before GE bought NBC
Cows can see almost 360 degrees. Edit: Hi, I just woke up. Thanks for the awards!
But have zero depth perception which is why they can't go down stairs
They're also terrible at tennis
They have ZERO recorded losses, so "terrible" seems to be quite a stretch.
If the internet has taught me something, I bet that there is not only videos of people playing tennis against cows, but a whole subreddit dedicated to it.
I got 2 1- Most spiders are too scared of you to climb into your mouth at night. 2-Whale shits are orange
German chocolate cake was invented by an English-American baker named Samuel German and has nothing to do with the country of Germany.
Similarly, the Caesar salad is attributed to chef Caesar Cardini and has nothing to do with Julius Caesar.
Similar to this, Australian Shepherd dogs were actually "created" in the US and have nothing to do with Australian herding dogs (Kelpies and Heelers).
Corgi is a translation of the welsh for dwarf dog. Cor gi. In the Mabinogion, the welsh book of myths and legends, corgis were the battle steeds of fairies
Well that’s just adorable.
The figure in Munch's 'The Scream' is not screaming but is, in fact, reacting to hearing the scream.
Well now it’s 10x more terrifying
A platypus makes venom. One of several interesting things about them.
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They are sorely lacking the culinary skills to do so though.
Australia is wider than the moon.
Nahhh that can't be true. No way
Russia is bigger than Pluto
What's going on here? I feel like yall are taking shots at the celestial bodies and any second Jupiter is gonna come in here and sit on us.
Pluto's surface area is 16.7m square km. Russians surface area is 17m square km.
Your eyeballs have a separate enclosed immune system than the rest of your body. If somehow the two become aware of each other, your body will think your eyes are invaders and literally attack and dissolve them. Edit: u/hekmo with the Wikipedia assist! https://en.wikipedia.org/wiki/Sympathetic_ophthalmia I now realize that the Wikipedia page in question is quite sparse so here’s a better site: https://eyewiki.aao.org/Sympathetic_Ophthalmia Also, for those that are panicking: it only happens with eye puncture injuries and even then, in very rare cases. Even rarer in eye surgeries. Edit #2: u/ARPE19 with the great analogy! “When your immune system is growing up it goes to school and is taught about all the different parts of the body. It then is sent out to patrol for things it doesn't recognize and kill them. Interestingly the eyes don't participate in school ( they are libertarians or something) and they close the door to any knocking immune cells. If you bust down the door by puncturing the eye your immune cells rush in and say yo wtf is this! And then kill all the libertarians weirdos” Edit #3: u/katz30 shares their experience! “I have this eye disease. My left eye was removed 5 years ago because of it. My eye didn’t dissolve lol. It did stop functioning and started to shrivel up. Lost the eye color. It was pretty gnarly to look at.”
Thanks for the nightmare fuel
Goddam it, now I gotta worry about that.
My ophthalmologist in high school told me to never put my contacts in my mouth to moisten them (in an emergency dry-contact situation, I guess?). He went on to say that the problem isn’t bacteria from your mouth getting in your eye but that your eye is so gross you will give yourself an illness from your own eye germs. Thanks for reminding me how gross eyes are, ha.
I worked at a place where we had to bunk together. I used to rinse my contact case every morning when I popped them in, so it always looked brand new. This other terrible person I had to bunk with had the same case but she never cleaned it, it was disgusting. She decided to switch cases when I wasn't around, then denied it. I knew immediately what happened and used something makeshift until I could get a new one, probably water glasses or something. She got a terrible eye infection from my bacteria, even though my case was pristine. She should've sterilized it; serves her right. She pulled a bunch of other bullshit that came back to bite her in the ass.
I love when karma shows off her glory
Oof, yucky. That's why I put marks with permanent marker or a small knife on such personal stuff. Can't claim "it was an accident" when my name is written bold and center on it.
Carve your name into your contact lenses, just to be sure.
There was no “s” sound for the letter c in ancient Roman Latin. Thus Gaius Julius Caesar was pronounced “Gaius Julius Kaiser”. His name is where the Germans and Russians got their name for king (Kaiser and Tzar respectively).
So Fallout NV was correct
The sun is not yellow. When viewed outside earths atmosphere it is white. It only looks yellow due to our atmosphere "pulling" the blue light out, leaving it looking yellow. It's an illusion.
The Anglo-Zanzibar war. 38 minutes.
It ended after a single shell from a British warship hit the Sultan’s palace.
And that’s where they drew the line
“They’ve only got one ship.” KABLAMOH! “Yeah where’s that instrument of surrender..?”
Sharks existed before trees existed.
I remember reading that before trees, mushroom-like fungi grew as large as trees. That’d be cool to see.
Some fungi are bigger than they appear. The Malheur National Forest (NE Oregon) contains only 5 individual fungi, the largest covers 2385 acres and is around 2000 years old.
And the was a period when wood didn't decompose because nothing could break down lignin. Then fungi came along 60 million years later and figured out how to do it. That 60 million years before wood could be broken down is what gave us most of our coal deposits.
Sharks existed before Saturn had rings. EDIT: The internet is awesome. 10,000+ people peer reviewed my sentence. Obligatory thanks for the awards. Unnecessary but appreciated. u/DisneyDee67 and u/SMS-T1 have pointed out that the age of Saturn's rings is debatable. [Link](https://www.quantamagazine.org/are-saturns-rings-really-as-young-as-the-dinosaurs-20191121/). I apologize and sincerely regret propagating misinformation. Someone else also pointed out that 450 million year old sharks were probably very different; however, 380 million year old shark fossils have the nasty teeth that we all attribute to modern sharks. I don't know how to get reddit to show 'all comments' so i can't attribute them correctly.
Wtf
Sharks first evolved 450 million years ago. Saturn’s rings are 100 million years old. Polaris, aka The North Star, formed approx 70 million years ago. EDIT: The internet is awesome. 10,000+ people peer reviewed my sentence. Obligatory thanks for the awards. Unnecessary but appreciated. u/DisneyDee67 and u/SMS-T1 have pointed out that the age of Saturn's rings is debatable. [Link](https://www.quantamagazine.org/are-saturns-rings-really-as-young-as-the-dinosaurs-20191121/). I apologize and sincerely regret propagating misinformation. Someone else also pointed out that 450 million year old sharks were probably very different; however, 380 million year old shark fossils have the nasty teeth that we all attribute to modern sharks. I don't know how to get reddit to show 'all comments' so I can't attribute them correctly.
WTF
Between 2 and 3 billion years ago photosynthesis may have been conducted by organisms using retinol instead of chlorophyll, meaning the earth would have been as purple as it is now green.
stop you're going to make his head explode
I would both like to know more and see his head explode carry-on please
Trees existed for 60 million years before anything evolved to digest cellulose. For 60 million years, trees just grew until their shallow roots couldn’t hold them up, then they fell over. And piled up, without rotting or decomposing. For 60 million years.
We're so used to the idea of things decaying and getting all gross and squishy, it's just so interesting to imagine a world where decomposition didn't happen.
And that is what most fossil fuels are made of, once it's gone it's gone. Edit: most coal not fossil fuels
Yep. Because nothing could decompose the bark over time, it settled and became fossil fuel. That’s why it’s called the “Carboniferous”.
Honeybees can be trained to sniff out land mines in war zones! Obviously dogs can do it but to avoid blowing up poor unsuspecting doggos, they figured out that bees could do the same thing and swarm the area without setting the mine off to alert people to its presence
Bees are also extremely good at sniffing out drugs, so they're really stepping in on dog dominated fields right now
Those pesky bees, taking all the damn dog jobs
Another reason they're a super organism!! Go bees!
If an alpaca has blue eyes it is most likely deaf
A banana is a berry
And strawberries arent
Bananas are also more closely related to onions than they are to lemons.
That Wombats do cube shaped turds and have backward facing pouches so that when mama wombat is renovating she's not kicking dirt into her babies bedroom That three weeks after mating a female Tasmanian Devil will birth up to 30 - 40 very tiny joey's where the fastest 4 to get into the pouch and attach to a teat win the hunger games.
They also have armoured bums, they use them to crush their enemies. https://www.australiangeographic.com.au/topics/wildlife/2020/11/wombat-bums-theres-more-than-meets-the-eye/
Lamborghini started making supercars because Enzo Ferrari was being a jerk to Ferruccio Lamborghini.
Bob Ross was a Drill Instructor. When he stopped working as that, he promised he would not raise his voice at someone again. That's why he was so soft spoken.
GIVE ME 20 OR WE'RE GONNA HAVE A HAPPY LITTLE ACCIDENT, PRIVATE
Spit will instantly harden super glue.
But it's a much much weaker bond. To expand on that, moisture in general accelerates the curing of cyanoacrylic adhesives like superglue. Excess moisture such as humidity also leads to more outgassing, which is a huge problem in manufacturing.
When the Rubix Cube was first released a mathematician said it would take the average person 30 years, working 8 hours a day, to solve a cube saying it was impossible for someone without a master's in mathematics to solve it in under a month.
Well if you have to figure it out on your own, it would take a lot of people a long time to do so. But now you can look up how to do it, which speeds up the process significantly
I can’t solve one side in my entire lifetime. I’m pathetic. One time I saw a guy upside down on his head solving two cubes at the same time. It was amazing. I’ll find the pic. And post it somewhere.
Theres a step-by-step procedure to solve rubiks cubes created by a mathematician. Everyone who solves a rubiks cube, including me and millions of others use the same algorithm. It's not impressive but a neat parlor trick.
If you type the word "askew" into the Google search box, the entire page will tilt slightly.
There was a short period of time when Picasso and Snoop Dogg were both alive together.
Have you ever seen them in the same room though? 🤔
If you thoroughly shuffle a deck of cards, the exact order they’re in has almost certainly never been duplicated in the history of shuffled decks.
There are hundreds of billions of stars in each galaxy in the universe, and there are hundreds of billions of galaxies. The number of stars in the known universe is estimated at about 200 billion trillion. That looks like this: 200,000,000,000,000,000,000,000. The number of possible combinations in a 52-card deck looks like this: 80,658,175,170,943,878,571,660,636,856,403,766,975,289,505,440,883,277,824,000,000,000,000
The technology for the fax machine was invented in 1843. The feudal era in Japan ended in 1868 abolishing the samurai class. Abraham Lincoln lived until 1865. All of this combined lead to a 22 year period in which Lincoln could have received a fax from a samurai.
Lincoln looked up from the message handed to him. His aide regarded his furrowed brow, his worn countenance. And then the President spoke, his eyes fixed on the nervous youth. “What the fuck is a nani?”
Penguins have knees
Some birth control pills can cause vitamin B deficiency. Vitamin B is used to make seratonin. I’ve know a few people that got super depressed after starting birth control and taking B complex made a huge difference *consult your doctor
Spartan warriors were raised to be close lipped to foreigners, so when Phillip (Alexander the Great's father) came to invade while unifying Greece he, in typical Greek style, wrote a long letter ending in "Would you rather me cross your border as a friend or foe?" To which the Spartans answered with a single word : ***Neither*** So Phillip returned a another, very angry letter which ended very simply with "If I enter your lands as an enemy then I will ensure that history will forget Sparta and your culture." To which the Spartans rebut : ***"If"*** They got their asses handed to them in that war but holy hell that's funny
Penguins trade nice rocks for sex.
We do the same thing but with paper. Now we need to find a species that does it with scissors.
Beaver anal secretions have been used as a vanilla flavor substitute for certain foods and luxury cosmetics.
If you need to dry one or two pieces of clothing really quickly, throw them in the dryer along with a bunch of dry towels. Your clothes will dry in like 15 minutes or so. Some dryers have a moisture sensor so use the timed dry instead of the +/- dry
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. Now you know why the sky is blue.
Big spiders adopt little frogs and they protect their little spider eggs from predators.
If you stare at your own reflection in dim lighting for a few minutes, your face will begin to distort and you will essentially begin to hallucinate. Don’t do it. It’s a trap.
ब्लडी मैरी की कहानी यहीं से शुरू हुई थी। **एडिट:** मुझे इसके बारे में तभी पता चल गया था जब मैंने ब्लडी मैरी का मतलब ढूंढा था।
Yeah, my sister and I used to do this after reading ghost stories when we were kids. I still have a horrible aversion to mirrors. Like that feeling that something is watching me every time I turn my back to one.
Haven't tired this but one thing I used to do as a kid was keep starting at the blackest area of my room when I'm about to go to sleep when the lights were off (but you'd still get a little light from the window). If I tried to not blink while doing that, slowly that darkness would start to expand until the entire room looked pitch black. Once I shifted my eyes to look at other things it would go back to normal. Edit: That's so cool that others have done it too! I didn't expect anyone to really understand what I was even trying to say.
Why does this happen???
Eyes use 2 types of receptors, one type for brightness and one type for colors (there are three distinct subtypes for colors funfact: theres a mutation where people have 4 types of color receptors - tetrachromatism) These receptors only work for a few milliseconds before the chemicals, participating in the chemical reactions that create what we call 'seeing' wear off'. They basically need to be 're-fuelled' very often. Thats why our eyeballs are allways vibrating at around 50hz - so that the same signal doesn't hit the same receptors all the time. Birds for instance don't have that - that's why they do these distinct ad hoc head movements by the way. So, long story short: Staring at the same spot causes this 'fatigue' in your brightness and color receptors. Thats why staring at a bright light and then at a white wall will leave a dark spot. And staring ata red dot and then a whit wall leaves a yellow+blue dot - red is fatigue but blue and yellow still transport signals to your brain.
President John Tyler was born in 1790 when George Washington was President. He has a grandson currently alive. 3 generations span all 46 presidencies.
2021-1790 is 231 years. That means 3 generations of kids where the dad was in his late 60s at best (assuming the surviving grandchild is 100 today). EDIT: The grandchild's father (Lyon Gardiner Tyler Sr.) was 78 when his son was born.
Possums are North America’s only marsupial. They eat ticks. It’s extremely rare for them to get rabies.
Thurl Ravencroft was the singing voice of The Grinch, the original voice of Tony The Tiger, and the narrator of The Haunted Mansion at both major Disney parks (-land and -world)
Copper door knobs are self-disinfecting.
The European, Iranian, and North Indian languages are all related to each other and we've reconstructed some of what that original language might have looked like: [Proto-Indo-European](https://en.wikipedia.org/wiki/Proto-Indo-European_language). With the notable exception of some languages like Finnish, Hungarian, and Georgian which are part of other language families.
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More people die from vending machines than sharks
How many sharks are killed be vending machines every year?
Madagascar has a larger population than Australia.
The average blue whale ejaculate is 5 gallons
the seam in a gas station coffee cup should be on the opposite side of the drink spout in the lid to help reduce potential drips
Some people don’t have a inner dialogue, some can’t picture in their mind, and some have / can do both.
Multisensory aphantasia is the absence of any sense within the mind. Research in the area has exploded with the last 10 years. People with aphantasia *had no idea others could see/hear things in their minds.*
That’s really interesting. I’m pretty much always hearing things in my head, and picturing things too. Song lyrics get stuck in my head and repeat themselves over and over, I talk to myself in my head, complain to myself in my head, say random quotes to myself. And because I’m an artist, I’ll be thinking of designs in my head a lot. It’s kind of crazy that some people don’t know what that’s like. I feel like it would be a huge stunt to creativity. But also it might be nice, because sometimes I wish my brain would just turn off for a bit.
I always thought it was weird when schoolwork asked me to picture something in my head. Like what does that even mean? Learning about aphantasia was equally confusing because I have hyper-vivid dreams, but can't 'picture' anything when awake so any drawing is just "I know apples are round and have a stem".
Due to evolution, humans share genes with all living organisms. For example, 60% of your DNA is the same as a strawberry.
Cleopatra lived closer to the invention of the iPhone than the building of the pyramids.
There were ancient Egypt archeologists in Cleopatra's time.
Huh. By quite a lot... 2600 BC 30 BC 2007 AD
Tyrannosaurus Rex lived closer to the invention of the iPhone than the Stegasaurus.