› added 3 years ago

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TIL Current theory is Venus initially spun anticlockwise. In a way, still does, but upside down. It flipped its axis 180 degrees at some point. Theory: Sun's gravitational pull on Venus' atmosphere caused strong atmospheric tides that combined w/ friction between Venus' mantle and core, flipping it.

Read more sciencedirect.com

via reddit.com

0Q7R TIL that a bullet fired from a rifled barrel spins at 300,000RPM (5000 rotations per second)
7aoO TIL that Panera Bread has 5 locations that have no set prices, only suggested donations, so people who can’t afford food can still eat there
VamD TIL the world’s biggest living organism is an aspen south of the Wasatch Mountains in Utah, made up of 47,000 tree trunks, covering 106 acres and weighing more than 13 million pounds.
GYn6j TIL The Ring Finders is a worldwide organization of metal-detection enthusiasts who recover lost items at little to no cost. Members have about an 80% success rate at finding last keys, rings, cellphones, time capsules, burial urns and more.
PnJG TIL Norah Vincent, A lesbian feminist writer, once disguised herself as a man for 18 months to write a book on gender. After the experiment, she was institutionalized for depression, and stated that she never felt so glad for being a woman.