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TIL that a man survived in a capsized boat at the bottom of the ocean for 60 hours in complete darkness.

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wLMyY TIL Symptoms of Dehydration and its definition
Z84lD TIL Once Mr. Rogers opened the door of his closet on set to hang up his jacket, only to find a blow-up sex doll. Michael Keaton — then a young stagehand — had put it in there.
8nW8 TIL On Sept 11, 1997, a man claiming to be an ex-Area 51 employee frantically called into a radio station. During the call, the radio station suffered a satellite failure.
Ookdg TIL that we've tiny mirrors (retroreflectors) on the moon to reflect the laser beams fired from earth to measure the lunar distance. The round-trip takes of about 2.5 seconds and the distance to the Moon can be measured with millimeter precision.
VB0VB TIL that there are less than 20 Jewish people living in Egypt.