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TIL the urge for people (especially mothers) to “gobble up” a baby is caused by the scent of the baby which causes the brain to deliver rewarding feelings similar to eating .

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via reddit.com

loeP1 TIL that a straight-line tornado is called a derecho.
GYk45 TIL that the Tetris theme song is actually called “Korobeiniki,” which was created in 1861.
aj1J TIL the US military had a backpack nuke (S.A.D.M.) that could be carried by a single person.
xVVn0 Short answer: It’s spiritualist bunk that reflected the science of its time
Amgw TIL: “Generational Curses” may be a real thing. There was a study where mice were given a small shock to the foot at the same time as the smell of acetophenone. After 10 days, they mated. The children mice inherited a fear of the odor even though they had never been exposed to it before.