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TIL Buckminster Fuller would sleep 2 hrs a day by taking 30 mins naps every 6 hrs, and was able to fall asleep in 30 seconds.

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R76a9 TIL AC/DC lost lead singer Bon Scott, replaced him with Brian Johnson, then recorded and released Back in Black all in the span of 5 months in 1980. Bonus: Back in Black, AC/DC’s best selling album (25x Platinum) was released merely one year after Highway to Hell, their second best selling album.
6ELAJ TIL of super volcanos, including the one in Yosemite National Park. These types are different from regular volcanos because they don’t have the typical steep sides and are instead depressions in the ground. They are thousands of times larger than any other volcanic eruption.
JnO1 TIL that the difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of bone with a sheath that is very similar to human finger nails.
XEmLr TIL when Professor Robert Goddard proposed using rockets to send men to the moon the New York Times ran a scathing editorial questioning his credentials, his chair at Clark College and intelligence. In response to Apollo 11 they printed one of the most famous retractions in history.
jDkR TIL approximately 25% of all black swan pairings are between homosexual males. Some couples are so eager for cygnets that “They steal nests, or form temporary threesomes with females to obtain eggs, driving away the female after she lays the eggs”.