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TIL that you hear your own voice in two different ways, making a recorded version of your voice sound different from the one you hear when you speak.

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LV9d TIL that Heinrich Schliemann while searching for the archaeological remains of Troy, blew up 9 levels of archaeological remains with dynamite, including the level that is believed to be the historical Troy.
JLe8 TIL that due to human efforts, the ozone layer will recover to 1980 levels by 2050, and be fully repaired by 2070.
p8lVG TIL Astronauts report blurred vision in low-gravity environments as one of the strangest effects of spaceflight on the human body.
9wAr6 TIL of Marni Nixon, a singer who dubbed the voices of many actresses in the 1950’s and 1960’s, including Natalie Wood, Audrey Hepburn and Deborah Kerr. She was told that if anyone found out about her work, she would never work in Hollywood again…
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