› added 6 years ago

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TIL dogs are prosocial, meaning that they volunteer to help or share with others, even when there might not directly be any benefit to themselves.

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k5mm TIL in 1999 the WHO found food irradiation so safe, they deemed “risk assessment” inappropriate because there was no risk (document p. 162; PDF p. 67)
W7ewB TIL that Sir Isaac Newton invented the cat door. He cut a hole in his door to let his cat in and out, inadvertently creating the first pet door.
aG69 TIL that trickle-down economics used to be known as the “horse and sparrow” theory based on the idea that if you feed the horse enough oats, some will pass through his bowels undigested for the sparrows to eat.
XGQk TIL that a kilometer high skyscraper is under construction right now in Saudi Arabia
16QWX TIL birds in Australia, known as “fire hawks”, are known to utilize and spread fires in order to flush out prey.