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TIL - School Buses Are Yellow because color yellow gets noticed faster than any other color. Studies have shown that humans notice the color yellow 1.24 times faster than another eye-catching color, red. Yellow is also particularly visible in the early morning and evening light.

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KgLB TIL that in 1968 Disney made a film entitled “Family Planning” in which Donald Duck told Hispanic people to stop having so many children
mrMM TIL that a freelance photographer for the NY post took a photo of a man climbing out of the way of a subway train, rather than helping him. The picture ran the next day front page with the title “DOOMED!” His excuse was that he was trying to warn the driver with his camera’s flash.
aewJ TIL that sniper Carlos Hathcock crawled 1,500 yards inch by inch in order not to get detected to kill a high ranking officer, it took him 3 days and 4 nights. He also was the man who shot another sniper through the scope and killed him.
ZpGdR TIL that "Antelope" is not a term for a specific african animal, but a common collective name for several species of horned animals, some of which are not closely related.
e0m7k TIL The International Potato Center has successfully grown potatoes in a simulated Mars environment. They grew the plants in a CubeSat which mimicked the Martian air pressure and atmosphere, and used saline desert soils analogous to Martian soils as the growing medium.