› added 3 years ago

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TIL Canada was once a world leader in weaponizing mosquitos and plague-infected fleas, even surpassing American and British bio-warfare development efforts during WW2

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OolyY TIL that while interbreeding occurred between neanderthals and early modern humans, the only genetic evidence of these events conserved within the human genome comes from Y chromosomal DNA meaning that all neanderthal DNA within modern humans comes from male neanderthal and female human pairings.
wb6P TIL that seahorses engage in an eight hour courtship dance which includes spinning around, swimming side by side and changing colors.
8a7Zb TIL At 8 years old, during a chicken dinner with family,Jeffrey Dahmer expressed a curiosity to his father of how to bleach chicken bones. His chemist father was proud of his son’s scientific curiosity so he showed him how to safely bleach and preserve the bones, which he later used on his victims
E1RgV TIL Sean Connery turned down the iconic role of cannibalistic serial killer Hannibal Lecter before it went to Anthony Hopkins
loAaA TIL The Loretto Chapel needed access to its choir loft. In 1877 an unknown Master Carpenter appeared and build a staggeringly precise spiral staircase using hand tools, glue and non native wood. Then disappeared without being paid.