› added 4 years ago

103

TIL: Physicians in the medieval times would swish multiple knights urine in their mouths to decide what they ate for the day.

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via reddit.com

0y6j TIL one of the world’s fastest clappers can clap up to 14 times per second. His world record is 721 claps in one minute. This is a video of him demonstrating his ability.
ZXVY TIL the reason many U.S army helicopters are named after native-American tribes is because the first U.S air force bases were located on native reserves.
gMWrW TIL Operation Cottage, where the Japanese won with no troops present and the Allies suffered 313 casualties.
yED8 TIL that radiation-blocking proteins taken from “water bear” DNA have been incorporated into human cells which boosted the protection of human DNA against damage from x-rays by 40%.
A5ag TIL Camels have been used often in battles because their smell and weird looks scare horses