- Warthogs live for 15 years.
- Household dust is made of dead skin cells.
- Half of all crimes are committed by people under the age of 18.
- The human body contains 96,000km(59,650miles) of blood vessels.
- The worlds smallest bird is the 'bee hummingbird' found in Cuba.
- A suction cup will not work in outer space.
- The most common disease is tooth decay.
- A violin contains over 70 separate pieces of wood.
- Only female mosquitoes bite.
- Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today's measurement which uses the value of Pi (around 3.14).
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