- Hippopotamuses have skin 3.8cm (1.5in) thick.
- It was once illegal to slam your car door in Switzerland.
- Whales have the slowest metabolism of all animals.
- Women's hearts typically beat faster than men's hearts.
- Armadillos can walk underwater.
- Roosters can't crow if they can't fully extend their necks.
- Strawberries contain more vitamin C than oranges.
- Ablutophobia is the fear of bathing.
- Diamonds are the hardest natural substance.
- The Cambodian alphabet has 74 letters.
  reload more facts
|