- Isaac Newton invented the cat door.
- When born a baby giraffe is 1.8m (6ft) tall.
- Ketchup was once sold as a medicine.
- The Australian aircraft carrier QANTAS stands for Queensland And Northern Territories Aerial Service.
- You can buy square watermelons in Japan (developed to stack better in supermarkets).
- The hamburger was invented in 1900.
- Some perfumes actually have whale poo in them.
- New York's Central Park was opened in 1876.
- Australia has the largest sheep population.
- Mapping is older than writing.
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