› added 12 years ago

110

TIL a 2,300 year old man was found preserved so well they could tell he used gel for his Mohawk

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8elVX TIL As opposed to having XY chromosomes (found in mammals), birds, some fish, crustaceans, and insects have ZW system, where males typically have ZZ and female ZW chromosomes.
1alj4 TIL about the heroism of Teddy Sheean, of the Australian navy. During WW2, his ship was torpedoed, and Japanese planes shot at survivors in the sea. Sheean strapped himself to an antiaircraft gun on the sinking ship and fired at the planes, downing at least one. He was still firing as he drowned.
Bgg7y TIL That John Garand, who designed the M-1 rifle that bears his name, never received any royalties for the design and that an attempt to award him $100 000 by an act of Congress failed despite almost six million rifles being produced.
woBP TIL: the people of Oslo, Norway donate the Trafalgar Square Christmas tree every year in gratitude to the people of London for assistance during WWII.
BV0d TIL Gears have been discovered in an insect. Interlocking cogs evolved in nature long before we invented them. (VIDEO LINK)