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TIL That the 16th century Swiss alchemist Paracelsus claimed to have created a homunculus (a tiny human) by placing a vial of semen in horse dung, burying the mixture for 40 days, then digging it up and feeding it his blood for another 40 days.

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6EpPw TIL that an average adult in North America will eat 1,996 lb (905 kilos) of food per year. An average American consumes 3,663 calories per day, while in Europe it is 3,367 and in Asia is just 2,779.
rRw8W TIL that in the 1980s Janet Jackson was criticized for not writing her own music and being dependent on producers. In response, she wrote and co-produced every song on her following album, which ended up being her best-selling album ever.
bE4p TIL The reason humans dislike nails on a chalkboard is due to an evolutionary response. The sound frequency emitted is at / around that of a human scream.
p84dZ TIL that when a city builds more roads to reduce traffic the speed gains will usually disappear within a month, if not weeks.
GY09Q TIL About 10,000 years ago all humans had brown eyes.