› added 1 year ago

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TIL that castrated lions often have little to no mane due to low testosterone

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BrWEk TIL 'US Radium' employed women to paint dials of watches with radioactive radium paint. The women were instructed to point their brushes on their lips. This led to many of the workers' losing their jaws and even deaths. Company paid examiners covered it up and claimed they had syphilis.
WdwA TIL that a sandwich has ~16x the energy density of a Lithium-Ion battery.
WkWAL TIL some 19th century Japanese artwork depicted westerners with the whites of their eyes as blue because the artists were confused about which part of the eye was supposed to be blue.
rldd TIL that chastity belts weren’t used during medieval times. They were actually used in the 1800’s to prevent children from masturbating and to protect women from sexual harassment in the workplace.
0wmWN TIL I learned that Horseshoe crabs are not crustaceans at all, but actually Arachnids.