› added 11 years ago

179

TIL using fountain pens in a school in Edinburgh improved academic performance and self esteem

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via reddit.com

R669 TIL that females on average have lighter skin than males so they can absorb more vitamin D and calcium used for breast milk
PRdZ TIL Wonder Woman has a black sister named Nubia. She was sculpted from black clay just as Diana was sculpted from white clay.
R71V4 TIL Switzerland is 829 years old today. Happy birthday Switzerland!
8eKYL TIL Ray Bradbury's story a sound of thunder predates the theory of the Butterfly Effect, but uses a butterfly to make the same example of chaos theory....
a86Pb TIL about Hans Redl, who lost his left arm in World War II in 1943. He went on to compete in the Wimbledon tennis championships after the war, advancing to the fourth round.