- In Switzerland, it is illegal to own only one guinea pig because they are prone to loneliness.
- Salt used to be a currency.
- 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.
- The average raindrop takes 2 minutes to hit the ground.
- That the first MTV video played was 'Video killed the radio star' by the Buggles.
- Honey bees kill more people each year than snakes.
- A bolt of lightning can reach temperatures hotter than the sun.
- Elvis Presley made only 1 television commercial.
- The hardest substance in the human body is enamel.
- Your blood is 6 times thicker than water.
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