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116

TIL South Korea mints coins for various other countries including India, Israel and Argentina

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W7Lx4 TIL that about 90% of species in Hawaii are endemic, which means they are only found in that geographic area.
LpVp TIL that a book attributed to Penelope Ashe was actually written by a group of 24 journalists. It was designed to be deliberately terrible with a lot of sex, to illustrate the point that American literary culture had become mindlessly vulgar. The book became a bestseller in 1969.
NXrGM TIL about Exploding Head Syndrome (EHS) a type of sleep disorder in which you hear a loud noise or explosive crashing sound in your head. The sound isn't real or heard by anyone else.
ebNk TIL actor Clint Walker was pierced through the heart with a ski pole. He was taken to a hospital and pronounced dead, but a doctor detected faint signs of life and rushed Walker to surgery, where his damaged heart was repaired. Within two months Walker was again working
5YmEB TIL that if you add 250ml of water to 250ml of alcohol, you get less than 500ml of liquid. This is due to strong hydrogen bonding between the different molecules drawing them close together, and that ethanol molecules are smaller than water molecules, so they fill in the spaces between the water.