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838

TIL bees sleep together and hold each-others feet so they don’t fall

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WkQkd TIL Thomas Edison proposed a giant phonograph be placed in the mouth of the Statue of Liberty so that it could welcome people to the US
gyGD TIL of the Shepard tone, an auditory illusion that gives the sensation of a continuously rising pitch. It helped create the overwhelming suspense in the film “Dunkirk”
K04w TIL it is illegal to homeschool in Germany, and that homeschooled children may be removed from their parents even if these children are found to be well taken care of.
oL0W TIL synthetic shampoos weren’t invented until the 1930s, with daily shampooing only becoming the norm in the 1970s and 1980s.
xVkpb TIL: The introduction of wolves into Yellowstone in 1995 had huge beneficial effects on the environment, including changing the flow of rivers and streams.