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r/todayilearned

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to r/todayilearned by cluckay
10 months ago
Preview thumbnail for TIL That the original dedicated indoors movie theatres were called nickelodeons, a portmanteau of nickel, and the Greek word odeion, meaning roofed theatre. image
TIL That the original dedicated indoors movie theatres were called nickelodeons, a portmanteau of nickel, and the Greek word odeion, meaning roofed theatre.
to r/todayilearned by TapiocaTuesday
5 months ago
Preview thumbnail for TIL comedian Hannibal Buress paid a man $500 to attend a movie premiere for him, even though he looked nothing like him. The man walked around, took selfies with fans, and did an interview on camera. image
TIL comedian Hannibal Buress paid a man $500 to attend a movie premiere for him, even though he looked nothing like him. The man walked around, took selfies with fans, and did an interview on camera.
to r/todayilearned by 19djafoij02
11 months ago
Preview thumbnail for TIL the Big Bang was initially rejected as a theory of the universe because of its "religious" implications and its origins; the originator of the theory was a Catholic priest. image
TIL the Big Bang was initially rejected as a theory of the universe because of its "religious" implications and its origins; the originator of the theory was a Catholic priest.
to r/todayilearned by trolltest123
7 months ago
Preview thumbnail for TIL that Chinese Checkers wasn't actually invented in China, but Germany. The name was a marketing scheme in the US in 1928, and was called "Hop Ching Checkers" image
TIL that Chinese Checkers wasn't actually invented in China, but Germany. The name was a marketing scheme in the US in 1928, and was called "Hop Ching Checkers"
in Germany
to r/todayilearned by trolltest123
7 months ago
Preview thumbnail for TIL that a baby rabbit is technically called a "kitten", and not a "bunny" image
TIL that a baby rabbit is technically called a "kitten", and not a "bunny"
to r/todayilearned by trolltest123
7 months ago
Preview thumbnail for TIL that flipping a coin isn't actually 50/50, but rather 51/49 biased for the side that was facing up when flipped. Also, when spinning a penny, tails will face up 80% of the time image
TIL that flipping a coin isn't actually 50/50, but rather 51/49 biased for the side that was facing up when flipped. Also, when spinning a penny, tails will face up 80% of the time
to r/todayilearned by ampanmdagaba
4 months ago
Preview thumbnail for TIL one of the first close-up images of Mars taken from space was hand-drawn image
TIL one of the first close-up images of Mars taken from space was hand-drawn
to r/todayilearned by Oh_pizza_Fag
5 months ago
TIL The USA adopted the metric system in 1975, but the Reagan administration used budget cuts to halt the final implementation.
to r/todayilearned by ampanmdagaba
4 months ago
Preview thumbnail for TIL it is possible to create semi-transparent concrete (by introducing lots of optic fibers into it) image
TIL it is possible to create semi-transparent concrete (by introducing lots of optic fibers into it)
to r/todayilearned by ampanmdagaba
4 months ago
Preview thumbnail for TIL there are living electric cables (of bacterial origin) on the seafloor, buried in the mud! image
TIL there are living electric cables (of bacterial origin) on the seafloor, buried in the mud!
to r/todayilearned by ampanmdagaba
4 months ago
TIL killer whales are the only other mammal except humans to have a menopause.
to r/todayilearned by ampanmdagaba
4 months ago
TIL when a whale eats it sucks so much water in its mouth that it looks like an "elongated, bloated tadpole"
to r/todayilearned by ampanmdagaba
4 months ago
Preview thumbnail for TIL the biggest carnivorous mammal that ever existed had hoofs, and was probably a relative of so called "Terminator Pigs" image
TIL the biggest carnivorous mammal that ever existed had hoofs, and was probably a relative of so called "Terminator Pigs"
to r/todayilearned by ampanmdagaba
4 months ago
TIL one can fly a fighter jet over Moon and Mars. Well, in Google Earth, but it's still an amazing experience
to r/todayilearned by ampanmdagaba
4 months ago
Preview thumbnail for TIL birds' lungs are like a jet engine: air is injected at one side, and exhausted from the other! With our "model" of lungs they wouldn't get enough oxygen to fly image
TIL birds' lungs are like a jet engine: air is injected at one side, and exhausted from the other! With our "model" of lungs they wouldn't get enough oxygen to fly
to r/todayilearned by ampanmdagaba
4 months ago
TIL only a tiny part of the world is covered with forests. The elevation maps are pretty misleading!
to r/todayilearned by ampanmdagaba
4 months ago
TIL that despite a great difference in animals' longevity and heart rate, the number of heartbeats through life is roughly constant for all species (~1 billion).