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211

TIL that loneliness can kill you!

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NoLQ TIL Charles Darwin married his first cousin Emma Wedgwood, before having 10 children, three of which died before the age of 11. This lead him to wonder whether close genetic matches had an impact on health, adding to his theory of evolution and the passing of traits to offspring.
M7kp0 TIL That The US Army Medical Corps Logo Uses the Historically Incorrect 'Staff and Snake' Symbol. In Greek Mythology, A Staff With One Snake Represents Healing and Medicine, but the Two Snakes Version (which is used by the USAMC) is Actually a "Herald's Rod" That Represents Diplomacy and Commerce.
ne447 TIL birds cannot detect capsaicin (the active ingredient in chilli that makes it spicy) so it is used as a squirrel deterrent for birdfeeders.
Y8Pv TIL of a Russian all-female bomber unit flying biplanes against the Germans in WW2. While two pilots distracted the searchlights, a third would cut her engines and glide in to deliver her bombs; 23,000 missions were flown and the enemy dubbed them “Night Witches”
696jW TIL that parasitic isopods change sex like the dinosaurs in Jurassic Park but in reverse.