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TIL scientists put slime mold over a map of Tokyo, with food used to represent urban areas, after a day the mold created a network nearly identical to Tokyo's rail network. Which was designed to be as efficient as possible, the slime mold did the same, but without a brain.

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v1G9D TIL that a marine scientist accidentally invented a way to make corrals grow 25-40 times faster, making large scale reef restoration a possibility
8a8MP It's long been known that Hawking's birthday, January 8, 1942, fell on the 300th anniversary of the death of another great science mind, Galileo Galilei. But the day of his death, in the early hours of March 14, 2018 at his home in Cambridge, England, happened to coincide with the birthday of yet another genius: Albert Einstein, born March 14, 1879.
4kAx6 TIL legal euthanasia accounted for 2.5% of all deaths in Belgium in 2022.
LkmPv TIL Henry Heimlich used “slick tactics” and “intimidation” to get support for the Heimlich Maneuver. Outside of the US, the recommended first aid for choking is to perform sharp blows to the back.
ZMWG TIL In 2008, Doritos beamed a 30 second advertisement towards a planetary system 42 light years away.