- The Chinese used fingerprints as a method of identification as far back as AD 700.
- There are over 900 species of bats.
- The Earth is struck by lightning over 100 times every second.
- Snails can sleep for up to three years.
- Polar bears have black skin.
- There are more chickens than people.
- Hilton was the first international hotel chain.
- Roosters can't crow if they can't fully extend their necks.
- Employees of the Vatican pay no income tax.
- A bolt of lightning can reach roughly 50,000 degrees Fahrenheit.
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