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TIL The famous thumbs up from Vault Boy from Fallout is not just a gesture, but a method of measuring radiation from a nuclear blast.

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nexmB TIL American Airlines saved $40k a year by removing one olive from each food tray in first class
ep0pD TIL that a jellyfish-like parasite which lives inside salmon flesh can survive without oxygen for it’s whole life. It is the only animal which can do this.
nRGr TIL horses kept in stables suffer from insomnia and stay awake up to 85% of the night. This leads to other issues like sleep rocking, sleepwalking, and night terrors.
8aDVZ TIL bees make honey by continuously regurgitating nectar into each other’s mouths in order to break down the sugars by partially going through the digestive process each time.
JYyOk TIL Betty Robinson, an Olympic runner, was involved in a plane crash in 1931 and was wrongly pronounced dead upon first being discovered. She spend 7 months in a coma and it took her 2 years to learn to walk normally again. In 1936, she returned to the US olympic team and won gold in the relay.