› added 11 years ago

71

TIL that the first civilzation (Sumerians) performed math in units of 60, which is why we measure time in 60 second/minute intervals.

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via reddit.com

R988 TIL: Russian Special Forces use a knife that fires a bullet out of the bottom of the hilt. The “safe” way to fire involves holding the blade to absorb recoil.
eNj4 TIL when we look at a smiley face online, the same very specific parts of the brain are activated as when we look at a real human face
j6Amn TIL about Erich Hartmann, a German WW2 fighter pilot who is credited with 352 official kills, the highest scoring fighter pilot of all time.
LBPp TIL That the Carolina Wolf Spider is the Official State Spider of South Carolina, and that South Carolina is the only U.S. State that recognises a state spider
eV5n TIL that when Col. “Chappie” James was Vice Wing Commander under legendary ace Col. Robin Olds during the Vietnam War, they were known as “BlackMan & Robin.”