- The ideal temperature to fall asleep is between 18-30c (64-86f).
- Some dinosaurs had tails over 13m (45 feet) long.
- 80% of all people hit by lightning are men.
- There are more tigers owned by Americans than in the wild worldwide.
- 'Bookkeeper' and 'bookkeeping' are the only 2 words in the English language with three consecutive double letters.
- The Earth experiences over 50,000 earthquakes a year.
- In 1872 Yellowstone in the US was the world's first national park.
- Giraffes and rats can last longer without water than camels.
- The first taxi service began in New York in 1907.
- Employees are more likely to book holidays off work on a Monday that any other week day.
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