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TIL the control of fire by early humans a million years ago changed our sleeping patterns. Exposure to artificial light during the afternoon altered humans' circadian rhythms and contributed to a longer waking day, giving us 16 hours in the waking day while most mammals are only awake for half that.

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LQ5X9 TIL that the Catholic Church in USA and Europe outsources its Mass Intention requests to India
vPXv7 Today I learned: the average cloud weighs 600 tonnes, and the sun heats up the air causing it to rise and push up the clouds keeping them high in the sky
Z88OD TIL that most lizards and frogs have a third eye.
rN4eo TIL about the Passage du Gois, a road in France that's flooded out twice a day by the high tide.
xjkw TIL:A captive shark, vomited up another, different shark, which had a human arm in it’s belly, and the arm was used to solve a murder.