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TIL In 1747, James Lind conducted what is considered the first controlled clinical trial aboard a ship to treat scurvy. In addition to lemons, he tested cider, vitriol, seawater, spices, and vinegar as other treatment arms.

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9YYj6 TIL that Songdo City in S. Korea uses pneumatic tubes in all apartments to transport waste to a central disposal center
LVam TIL 1 in 10000 chickens develops as female on one side and male on the other.
XEmnD TIL about a tiny Australian marsupial that is literally sexing itself into extinction. During a 3-week sex marathon session males have so much sex their bodies produce fatal levels of testosterone, causing immune system failure that result in internal bleeding, fur loss, ulcerations and gangrene.
6dwQ TIL The idea of carrots improving eyesight was RAF propaganda to hide from the Nazis the fact they had new radar technology
d8bRB TIL in January 1979, Vietnam's army entered Phnom Penh to end the genocide that killed nearly 1/4 of all Cambodians. Shortly after, most of the UN denounced Vietnam and placed it in sanctions