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TIL Dr. Donald Unger cracked his knuckles every day for 60 years to see if it would cause arthritis. He would crack his knuckles on one hand every day and leave the other one as a control. After 60 years, there was no discernible difference between them and Unger won the Ig Nobel Prize for Medicine.

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VM40k TIL that the ruby-throated hummingbird can cross 800 km (500 mi) of the Gulf of Mexico on a nonstop flight.
X0XRE TIL Abraham Lincoln once said "I am not, nor ever have been, in favor of bringing about in any way the social and political equality of the white and black races"
epNZE TIL that Canadian law mandates that 35% of radio and 55% of television broadcasts must “at least partly written, produced, presented, or otherwise contributed to by persons from Canada.”
1ae77 TIL about Beevive, a keychain that contains sugar water that can help revive exhausted Bees!
X0wKD TIL Guinness World Records and Ripley Entertainment (Ripley’s Believe It Or Not!) are owned by the same conglomerate based in Vancouver, BC.