- There are more than 50 different kinds of kangaroos.
- Horses can't vomit.
- Elephants can run up to 40kmh (25mph).
- The bumblebee bat weighs less than a penny.
- An average person will spend 25 years asleep.
- Artificial Christmas trees have outsold real ones every year since 1991.
- The first paperback book was printed by Penguin Publishing in 1935.
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division.
- Cats have over 100 vocal chords.
- 2 and 5 are the only prime numbers that end with a 2 or a 5.
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