- Heavier, not bigger, lemons produce more juice.
- Your blood is 6 times thicker than water.
- Giant tortoises can live in captivity longer than any other animal.
- The average pool cue is 1.4m (4.75ft) long.
- Honeybees navigate by using the Sun as a compass.
- 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).
- The lie detector was invented in 1921.
- Fire usually moves faster uphill than downhill.
- Your tongue is the fastest healing part of your body.
- 44% of people have broken a bone.
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