› added 10 years ago

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TIL Rapper T.I. Has not once, but twice talked suicidal people off the ledge

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WkagL TIL: No one is 100% sure where the first white coat came into the picture or who exactly designed it, but it is clear that the white coat became synonymous with portraying the doctor as a clean, safe source of authority in the new-and-improved medical field and that image has never really left.
bEDN TIL that a 2006 study concluded that prehistoric predators had excellent vision, surpassing modern birds of prey. Compared to a bald eagle (whose vision is 4x better than ours), Tyrannosaurus rex had eyes that were 13x as precise as a human’s eyesight, meaning it could see prey from 6 km away.
v15aD TIL some of the most successful films of all time, such as the Harry Potter series, were actually financial losses on paper. This is called creative accounting and it's a way for Hollywood studios to avoid paying actors, producers and directors based on net profits.
OoBG6 TIL that early spy satellites shot photos using film cameras, then shot a capsule with the film reel back to Earth, where it was captured mid-air by a US military aircraft
kOjeE TIL that NASA first confirmed the existence of water on Mars in 2008, when the Phoenix lander became the first man-made object to touch and sample true water on Mars.