› added 12 years ago

149

TIL - That Chimpanzees Make and Use Spears

Read more news.nationalgeographic.com

via reddit.com

GA5XJ 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
4Qla TIL that when contestants win a car on The Price is Right, they don’t actually get the car on stage. Instead they get a certificate to take to a local dealership, where they pay sales tax
v1PmK TIL that after the 1946 Italian Republic referendum, all members of the House of Savoy (House of the king of Italy) were required to leave the country and neither they nor their descendants were to set foot in Italy ever again. The provision was repealed in 2002
XjlD TIL If kidney cells didn’t have aquaporins, which allow cells to reclaim water from urine, humans would have to excrete about 180 L of urine per day.
JYAaj TIL that John Hetherington, the inventor of the top hat, caused a riot when he first wore it in public in 1797. He was arrested for "a breach of peace" after several women fainted and a young boy's arm was broken in the commotion.