- More than 1,000,000 Earths could fit inside the Sun.
- The basic arithmetic operations used in mathematics are addition, subtraction, multiplication and division.
- Chalk is made from tiny plankton fossils.
- A cheetahs top speed is 114kph (70mph).
- 1 gigayear = 1,000,000,000,000 years.
- You can tell a turtle's gender by the noise it makes. Males grunt and females hiss.
- The first Lifesaver flavor was peppermint.
- Ants don't like baby powder (talcum powder).
- The number 4 is the only number that has the same number of letters in it.
- The human eye can detect more shades of green that any other colour.
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