- You can tell a turtle's gender by the noise it makes. Males grunt and females hiss.
- Due to gravitational effects you weigh is slightly less when the moon is directly overhead.
- A third of Americans flush the toilet while they're still sitting on it.
- Pearls melt in vinegar.
- As a world commodity coffee is second only to oil.
- Heat, not sunlight, ripens tomatoes.
- Fleas can accelerate 50 times faster than a space shuttle.
- The fastest fish in the sea is the swordfish and can reach up to speeds of 108kph (68mph, 59knots).
- Banana trees are actually herbs.
- A human being could swim through the blood vessels of a blue whale.
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