- Ralph Lauren's original name was Ralph Lifshitz.
- The Super Soaker was designed and invented by a NASA engineer.
- 1/4 of the bones in your body are in your feet.
- The Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, ....
- Kangaroos can't walk backwards.
- A Chinese checkerboard has 121 holes.
- The yo-yo was originally used as a weapon for hunting the in the Philippines.
- Sea otters hold each other's paws while sleeping so they don't drift apart.
- No number from one to 999 includes the letter "a" in its word form.
- 45% of people use mouthwash daily.
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