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In Iceland, a question of ice and fire

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BwXy TIL the U.S. State Department recognizes competitive gaming as a professional sport, meaning people can come to the US on work visas to play video games.
awyBA TIL that suicidal ideation is associated with inflammation in the brain and/or body
wL6gJ TIL that South America was once inhabited by giant sloths (Megatherium). It weighed up to 4 tonnes (similar to a present day elephant) and on its hind legs it would have stood 3.5m (12ft), which make it the largest bipedal mammal of all time. It lived from ca 400'000 ago until ca 8'000 ago.
xE4k TIL that the guy who discovered the link between handwashing and germs, was criticised to the point that it destroyed his health, and later, him
R74o4 TIL The Vagabonds Act (1547) stated "if anyone refuses to work, he shall be condemned as a slave to the person who has denounced him as an idler." The owner could then force the new slave to do any work "no matter how vile." If the slave escaped three times, you could execute them.