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TIL: 2 and 3 toed sloths are more distant evolutionary relatives than humans and chimpanzees, 30m vs 6m years

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9Yx8Q TIL A button-up shirt refers to any shirt that buttons up the front. A button-down shirt refers to the collar of a button-up shirt. If the collar can be fastened to the shirt via buttons, then it’s a button-down shirt.
JY9OV TIL that Chinese Paddlefish, one of the largest freshwater fishes, found mainly in the Yangtze river in China has been declared extinct in the wild after surviving 150 million years on this planet due to overfishing and construction of the Gezhouba Dam.
KYZBG TIL the 2003 Britney Spears song Toxic was written about a mild mannered Irish Veterinarian, Noel Fitzpatrick
woxWP TIL The first New Year’s Eve ball was dropped in Times Square in 1907. In response to a ban on fireworks implemented that year, an electrician built the ball as an alternative way to celebrate New Year’s Eve. He constructed a wood and iron ball that weighed 700 pounds and featured 100 light bulbs.
1amV4 TIL that BMI was invented by a French "mathematician" - not a physician - who hoped it would be used as the basis for eugnenics