› added 2 weeks ago

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TIL that in utero, a third artery temporarily runs down the arm to help with the development of the hand. By 8 weeks after birth, this artery usually disappears. For unknown reasons, people are retaining this artery as adults, and it's now three times as prevalent as it was 100 years ago

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W7XZ4 TIL that The Sedlec Ossuary in the Czech Republic is a Roman Catholic chapel decorated with the skeletal remains of over 40,000 people. Originally a cemetery, it's now a well-known tourist spot.
mxajY TIL about Desmond Doss, a WWII medic who was teased for his choice to not harm the enemy or wield a weapon. He would go on to win the Medal of Honor for saving more than 50 men after a mortar attack, and the heroics were made into the award winning movie "Hacksaw Ridge".
4k94N TIL that some black bears are born white and are called Spirit Bears. They're neither albinos nor polar bears.
1ag9P TIL Clyde Frog was a real TV show character in the 1970s, and not just one of Eric Cartman's stuffed animals.
YrZ TIL that during World War Two a German plane landed at a British airfield thinking it was a German one.