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TIL Tsar Peter the Great put a special tax on men who grew beards

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aw0kJ TIL that dogs develop bite inhibition, the ability to control the strength of a bite, as puppies after learning that too harsh of bites often interrupt play
yQjEp TIL Barbie was based on a 1940's comic strip about a buxom gold digging escort named Lili. Mattel copied the design from a adult novelty toy version of the character.
mwao TIL Bayer sold HIV and Hepatitis C contaminated blood products which caused up to 10,000 people in the U.S. alone to contract HIV. After they found out the drug was contaminated, they pulled it off the U.S. market and sold it to countries in Asia and Latin America so they could still make money.
Oo0B4 TIL Chris Hansen of "To Catch A Predator" was caught cheating on his wife with hidden cameras.
5V5D8 TIL that During the First Gulf War, an American Patriot missile battery used double values in its calculations. The inaccuracy caused it to fail to track and intercept an incoming Iraqi Scud missile, and 28 soldiers were killed