- Ants won't cross a chalk line.
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division.
- The Hawaiian alphabet has only 12 letters.
- Birds need gravity to swallow.
- Each year, the Moon moves away from Earth by about four centimeters.
- Polar bears have black skin.
- Over 100 people choke to death on ballpoint pens each year.
- Elephants can smell water from miles away.
- The world's knowledge is growing so fast that 90% of what we will know in 50 years time will be discovered in those 50 years.
- Camels can drink 94 litres (25 gallons) of water in less than 3 minutes.
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