› added 3 years ago

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TIL that London's Australia House gives out drinkable water from 900-year-old 'holy well'

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via reddit.com

8aoLL TIL of the Lodz Ghetto, where at one point 20000 'useless eaters', mainly children under 10, were rounded up and taken away from their families to be exterminated. Many parents committed suicide.
VwyQ TIL that Wild Bill Hickok always had a personal rule to never play poker with his back facing the door. The one time he did, he was shot in the back of the head and killed.
R5gEw TIL A dentist invented cotton candy
mAyM TIL that lactase persistence, or the ability to digest milk properly, only developed in humans around 7,500 years ago.
Edaw TIL The University of Tokyo is developing a tactile hologram system. In other words, they are creating a hologram that you can touch and feel.