- A person will die from total lack of sleep sooner than from starvation (Death can occur about 10 days without sleep while starvation takes a few weeks).
- The lie detector was invented in 1921.
- The shell is 12% of an eggs weight.
- You have over 600 muscles.
- The surface area of a brick is 79 cm squared.
- A sharks top speed is 70kmh (44mph).
- A violin contains over 70 separate pieces of wood.
- Koalas and humans are the only animals with unique fingerprints.
- The first toothbrush was invented in 1498.
- The most fatal car accidents occur on Saturdays.
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