- A shark's teeth are literally as hard as steel.
- The average cow produces 40 glasses of milk a day.
- Crocodiles swallow rocks to help them dive deeper.
- Your blood is 6 times thicker than water.
- Green tea has 50% more vitamin C than black tea.
- Baby koalas are fed poo by their parents after they are born which helps them digest Eucalyptus leaves later in life.
- Ripening bananas glow an intense blue under black light.
- The first taxi service began in New York in 1907.
- The sixth sick sheik's sixth sheep's sick' is said to be the toughest tongue twister.
- A woodpeckers tongue can wrap around its head twice.
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