- A bear in hibernation loses up to 25% of its body weight.
- Everyone has a unique tongue print.
- The first sailing boats were built in Egypt.
- Diamonds are the hardest substance known to man.
- Sloths can hold their breath longer than dolphins can.
- Koalas and humans are the only animals with unique fingerprints.
- 9% of people skip breakfast daily.
- A group of jellyfish is called a smack.
- The Eiffel Tower is over 300m (984 ft) tall.
- In zero gravity, a candle's flame may appear circular and blue.
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