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TIL that humans can detect individuals that are blood-related kin through the sense of smell (Olfaction). This is thought to be an evolved defense against incest.

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v1NvK TIL: Doc Severinson, the musical director of the Tonight Show for 30 years, started performing professionally in 1946. He is still actively touring at 92.
ZpLB TIL that smoking shouldn’t have been banned on airplanes because they recycled the air more frequently w/smokers in the cabin. Now, airborne viruses and bacteria are much more harmful and CO2 levels are higher–all to save airline companies money.
oRw7r TIL Neil Diamond-Barbra Streisand hit You Don't Bring Me Flowers Anymore started as theme song to 1977 TV soap opera spoof All That Glitters. The show was retooled by creator Norman Lear-women are in charge, men are the sex objects-and another song used but Diamond expanded and recorded the original
WN1A TIL that in the early 90’s, a younger Bill Nye appeared on the Seattle sketch show “Almost Live” and corrected the host’s pronunciation of gigawatt. (It’s not jigowatt.) The host replied, “Who do you think you are—Bill Nye the Science Guy?” The nickname stuck.
LkJLv TIL despite the director of Downfall enjoying the Internet memes and parodies of his film, producers initiated a removal of parody videos in 2010. This prompted more posting of parody videos of Hitler complaining that the parodies were being taken down, and a resurgence of the videos online.