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TIL of a researcher who was trying to develop eye-protection goggles for doctors doing laser eye surgery. He let his friend borrow them while playing frisbee, and his friend informed him that they cured his colorblindness.

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6oll TIL “the world has more than 50,000 edible plants, yet just three commodity crops—rice, maize, and wheat—provide 60 percent of the plant-derived calories we eat”
JYMxV TIL that Tutankhamun's mummy contains oldest known genetic proof of malaria.
DQEDP TIL Approximately a billion people are infected with the roundworm Ascaris
m44E TIL if Walmart and its employees were a country they would be, population-wise, bigger than 95 actual countries and hold the 25th largest economy in the world.
XE4ej TIL that the Titanic passengers were so unconcerned with hitting the iceberg at first, that they had a snowball fight with the ice that came off the glacier and onto the ship.