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TIL The national animal of Scotland, the unicorn, is celebrated on April 9th- National Unicorn Day.

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P1pLV TIL that objects known as optical frequency multipliers can double the frequency of a beam of light. This means that it's possible for them to convert invisible light (infrared) into visible light
xVpn7 TIL that dogs were once used in kitchens to turn spits for roasting meats. The Canis vertigus, or turnspit, was an essential part of every large kitchen in Britain in the 16th century. The small cooking canine was bred to run in a wheel that turned a roasting spit in cavernous kitchen fireplaces.
8e96b TIL that Marvel Comics has a superhero named Man-Thing. In the 1970s it published a series called 'Giant-Size Man-Thing'.
4kNJ TIL that in 1981, 8% of personal bankruptcies cited medical costs as a contributing factor compared to 62% in 2009
rRQEx TIL 'Procrustes analysis' is a form of shape analysis. The name 'Procrustes' refers to a bandit from Greek mythology who made his victims fit his bed. If they were short, he would stretch their limbs. If they were too tall, he would cut their limbs off.