› added 13 years ago

124

TIL that the orbits of two of Saturn’s moons are only 50km apart, less than each moon’s diameter, yet they never collide, instead they switch orbit every four years.

Read more wikipedia.org

via reddit.com

69oNQ TIL that in addition to there being cardinal numbers (1, 2, 3) and ordinal numbers (1st, 2nd, 3rd), there are also cardinal directions (N/E/W/S) and ordinal directions (NE/SE/NW/SW).
1a4KW TIL that of the about 5400 species of mammals on earth, only female humans have permanent breasts
Z80mD TIL It's theorised that our sense of smell may use quantum tunneling to measure the vibrational states of molecules and there is growing evidence to support this theory.
0derN TIL that Jerome Kerviel was the world's most indebted man, owning $6.3 billion dollars to the Société Générale.
d88Jd TIL Aubrey Eberhardt was the first person to shout "Geronimo" jumping from a plane