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It would burn a hole through you—and then some.

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w6EW TIL that the Apollo astronauts were denied life insurance. So before each mission, they would autograph hundreds of pictures that their families could sell in case they died.
6E9Jw TIL modern capital letters are characterized by straight lines and supple curves to make them easier to carve into stone. Lower case letters were only used for everyday writing and weren't originally used in conjunction with upper case.
ANmQB TIL plants can sense gravity. Starch filled organelles act like snowglobe particles and settle at bottom of cells, allowing plants to orient themselves.
xdXk TIL eight of the fourteen vacines that are routinely recommended today were developed by an American microbiologist named Maurice Hilleman.
VBnQk TIL Victor Fleming directed both The Wizard of Oz and Gone with the Wind, and did both in the same year (1939).