› added 11 years ago

167

TIL pubic lice are going extinct because their natural habitats are being destroyed

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N7dEQ TIL a predominant cause of jet lag is the lack of available oxygen in airplane cabins. Airlines only pressurize cabins to levels equivalent to 8000 ft. above sea level to extend the lifespan of the plane.
1aMED TIL that the longest siege in history happened in the 17th century and lasted 21yrs.
b5Ma TIL in 1992 a youth group descended into a French cave with steel brushes to remove graffiti… and ended up partially removing 15,000 year old bison cave paintings.
vP59r TIL that many early phone lines were "party lines" that anyone who picked up the phone could listen in on; customers had to pay an extra monthly fee to upgrade to a private line.
XEwYQ TIL there is no official difference between a hill and a mountain