› added 3 years ago

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TIL that contestants on Jeopardy can't ring in until a light goes on that only they can see which TV viewers can't see and the process is controlled by an off-screen employee.

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via reddit.com

ADmL7 TIL that you should wait 72 hours after it rains to swim in the ocean. Storm runoff that empties into the ocean carries increased levels of contaminants, like bacteria, fertilizers, and sewage. Swimming in the ocean too soon can increase your risk of various infections.
4keON TIL Tobacco Smoke Enemas (blowing tobacco smoke up the rectum) was a popular way to revive drowning victims in the 1700s
ZdnD TIL that in the Himba tribe in Namibia (where they have no word for the color blue) test subjects could not single out a blue square from a group of green squares.
XEeNr TIL that after Dallas Mavericks owner Mark Cuban said NBA referee manager Ed Rush "wouldn't be able to manage a Dairy Queen", Dairy Queen management took offence and offered to let Cuban manage a Dairy Queen for a day. Cuban accepted.
e005g TIL during the recording of U2's "Where The Streets Have No Name", producer Brian Eno got so annoyed with how difficult it was to record that he was about to erase the tapes. When a studio engineer saw him about to do this he dropped the tea tray he was holding and physically restrained Eno.