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TIL that, contrary to expectations, objects with greater drag generate less heat when entering the atmosphere. This is because a pocket of air forms in front of the object. After this was discovered in 1951, vehicles such as the Apollo capsule were designed to enter the atmosphere blunt-end first.

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P1Png TIL Black mold can essentially “cause you to lose your personality”. Toxic Mold Syndrome primarily affects the respiratory symptoms. But it has also been linked to more serious, long-term effects on the brain, like memory loss, insomnia, anxiety, depression, trouble concentrating, and confusion.
oErW TIL During WWII Unit 731 of Japan who were responsible for some of the most brutal experimentation on captives were secretly given immunity by the US in exchange for their data obtained through human experimentation.
0d1XA TIL Frank Richards, a circus performer, endured severe blows to his stomach, letting a boxing champion hit him 75 times and even withstood being shot by a 47kg cannonball. The cannon was loaded with a spring and fired at close range, but Frank resisted these feats twice daily.
mxbWP TIL in 1927 a man bombed a school in Bath, Michigan, killing 38 children and 6 adults, because of taxes being raised and because he lost an election.
xVaRb TIL Volkswagen used slave labor from Nazi concentration camps to produce their cars during the war.