- The world's biggest pyramid is not in Egypt, but in Mexico.
- The average age at which America's presidents have taken office is 54.
- 111111111 x 111111111 = 12345678987654321.
- It takes an interaction of 72 muscles to produce human speech.
- Only male turkeys gobble.
- Hawaii is the only US state that grows coffee.
- Small dogs usually live longer than larger breeds.
- There are over 2,500 different types of mushrooms.
- Mount Everest is 8.9km (5.5 miles) high.
- Warthogs live for 15 years.
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