- Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today's measurement which uses the value of Pi (around 3.14).
- To crack a whip the tip must be travelling faster than the speed of sound.
- Due to gravitational effects you weigh is slightly less when the moon is directly overhead.
- A crocodile can't stick out its tongue.
- Toads only eat moving prey.
- The naming of tropical storms and hurricanes officially began in 1953.
- The Hawaiian alphabet has only 12 letters.
- Cows can walk up stairs but not down them.
- All babies are born with blue eyes.
- The oldest exposed surface on Earth is New Zealand's south island.
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