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TIL Geese are the oldest known domesticated bird species

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wo867 TIL that Sperm Whale vomit, or "Ambergris" which is a unique substance that has been used in perfumery, incense, and medicine
PY5ae TIL of Kuru, a rare lethal prion disease in humans - found only in cannibals that have eaten brains
DkND TIL that Charles Darwin sat on his theories about evolution for nearly 20 years, until Alfred Wallace discussed his own theories of evolution with mutual friends who pressed Darwin to publish so as to establish his priority in the concept
mxQZy TIL when 150 doctors, dietitians, and personal trainers were surveyed about how weight loss works only three responded correctly (98% could not fully explain fat metabolism). The correct answer is that fat is converted into carbon dioxide and water - and you exhale most of that fat and pee the rest.
R7xgQ TIL there was a black samurai named Yasuke. He was owned by a Jesuit missionary who gave him to the Daimyo, Oda Nobunaga. Nobunaga took an interest in him and made him a samurai, teaching him Japanese and giving him a home and a katana.