- Earth's sky is purple, our eyes just see it as blue.
- Americans consume over 10 billion bowls of soup each year.
- Hippopotamuses have skin 3.8cm (1.5in) thick.
- The hardest substance in the human body is enamel.
- Snakes can't blink.
- In American supermarkets peanut butter is one of the most frequently purchased items.
- Brazil accounts for 1/3 of the world's coffee production.
- A dolphins top speed is 60kmh (37mph).
- A honeybee's top speed is 24kph (15mph).
- The Titanic was built in Belfast.
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