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TIL that Christiaan Barnard performed the world’s first human-to-human heart transplant operation. He retired after developing rheumatoid arthritis in his hands which ended his surgical career.

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a8w4b TIL one American Indian was memorialized by a different tribe who created a pile of rocks in the shape of a turtle for his bravery while running severely wounded to warn of an impending battle
8aDjP TIL the FBI has a very specific definition for 'serial killer': someone who has intentionally killed at least 3 people, but not all at once. There must be so-called ‘cooling off’ periods between each murder.
jNDVQ TIL A 2018 study found that half of US adults have had a close family member jailed
dd67 TIL that armpit odor is completely dependent on a single gene (ABCC11) and that many East Asians (and almost all Koreans) do not need to wear deodorant because of this gene.
D1LdY TIL when the British electronics retailer Dixons introduced the Matsui brand, they drew protests due to the brand having the same name as Iwane Matsui, the Japanese general responsible for the Nanking Massacre.