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TIL Norman Rockwell’s “Rosie the Riveter” was inspired by Michelangelo’s “The Prophet of Isaiah”

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16J4d TIL in 1839, Charles Goodyear accidentally invented Vulcanization when he dropped some rubber in a flying pan
66AW TIL that Microsoft has a patent that allows the Kinect (and other video devices) to count the number of people in the room and stop playback if there are too many viewers. (Link to patent.)
R1J1 TIL that a drowning person doesn’t look like what one would expect. The Instinctive drowning response actually makes them unable to yell or call for help. The linked mini-game “Spot The Drowning Child” Illustrate this well. By knowing this, you could maybe save a life someday.
Br5MK TIL that the story about Saint Patrick driving snakes out of Ireland is really an allegory about him driving the druids, essentially the Celtic philosophers and religious leaders, out of Ireland.
PYy9n TIL fish don't sleep but most fish do rest by reducing their activity and metabolism while remaining alert to danger.