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TIL Edward Jenner, the father of the smallpox vaccine, proved that swifts don’t hibernate in lakes by holding one underwater for two minutes. It drowned.

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9W6M TIL that between 1947 & 1948 the ethnomusicologist Alan Lomax recorded prison and chain gang songs in Mississippi and Louisiana State Penitentiaries. They are incredible.
OGE76 TIL during the filming of 2017’s Spider-Man: Homecoming, it became a secret running joke between Tom Holland and Michael Keaton that Keaton would often whisper in a deep voice“I’m Batman” in Tom’s ear on set during a few fight scenes.
ADoyo TIL that Lusia Harris of Delta State University was the first woman drafted into the NBA taken in the seventh round of the 1977 NBA draft by the New Orleans Jazz.
5oG9 [TIL] In his multiple record breaking Stratos space dive, Felix Baumgartner opened his parachute early to allow his mentor Col. Joseph Kittinger the dignity of retaining his own record for longest free fall
gXn9 TIL that when a bull moose is castrated, it immediately sheds its old pair of antlers and grows a new, permanent, misshapen pair called “devil’s antlers”.