- Heavy raindrops are shaped like hamburger buns.
- When born a baby giraffe is 1.8m (6ft) tall.
- Earth is the only planet not named after a god.
- Crocodiles swallow rocks to help them dive deeper.
- The most common disease is tooth decay.
- Fish can cough.
- Pearls melt in vinegar.
- The meaning of 'Blue Chip' comes from blue casino chips which have a high value.
- According to the old English time system a moment is 1 and a half minutes.
- A platypus can eat its weight in worms every day.
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