- The water signs are Cancer, Scorpio, and Pisces.
- Only female mosquitoes bite.
- Chinese mathematics developed around the 11th century BC and included important concepts related to negative numbers, decimals, algebra and geometry.
- Bees and house flies flap their wings 200 times a second.
- The average person swallows 295 times during a meal.
- Acoustic Kitty was once a cat in training to be a spy.
- Kangaroos can not walk backwards.
- Greek philosopher and mathematician Pythagoras lived around the year 500 BC and is known for his Pythagorean theorem relating to the three sides of a right angle triangle: a^2 + b^2 = c^2.
- In the Middle Ages, chicken soup was considered an aphrodisiac.
- 1 gigayear = 1,000,000,000,000 years.
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