› added 6 years ago

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TIL that in the the Milky Way Galaxy alone, there are at least 25 billion places where life could exist.

Read more nationalgeographic.com

via reddit.com

oRDKA TIL that Neptune was discovered in 1846 not by accident, but because astronomers noticed Uranus was wobbling off course. Mathematicians used Newton’s laws to predict where a hidden planet should be and when they pointed a telescope there, Neptune was right where the math said it would be.
P0Zn TIL all Pure-bred Border Collies can trace their lineage back to one dog, born in 1893, “Old Hemp”
vvl4 TIL: Man who grounded 4,000 planes on 9/11 was on first day of his job
5YNBp TIL the waterbed was invented by Scottish physician Neil Arnott in 1833 to “prevent bedsores in invalids”
N7Qy1 TIL In 1979 the Black-footed ferret was declared extinct. In 1981 the species was rediscovered when a dog in Meeteetse, Wyoming brought a dead ferret home. A small population was found and today the Black-footed ferret is making a comeback.