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TIL that when Agatha Christie mysteriously disappeared in 1926, the police asked Arthur Conan Doyle to help find her.

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e0WVk TIL children from countries exposed to parasitic worms are less likely to be diagnosed with allergies
1av5r TIL about Cliff Young, a 61 year-old farmer who won a 544 mile ultramarathon in 1983, which he ran wearing overalls and workboots, by not sleeping for 5 days. He let the other 5 finishers split the A$10,000 prize.
dDXMK TIL: Prairie dogs build their burrows with a flat orifice at one end and a mounded one at the other. During a breeze, the different surface geometries create a pressure differential via the Bernoulli effect, forcing air to flow from the flat end to the mounded end, ventilating the burrow.
JYZJk TIL there exists a separate time zone on the moon. It’s called Lunar Standard Time (LST) and the calendar started on July 21st, 1969 at 02:56:15 UT, the moment Neil Armstrong stepped foot on the moon.
epvXk TIL that a brainless slime mold called Physarum polycephalum can solve mazes, optimize transport routes, and even “remember” solutions, despite being just a single cell.