- The fingerprints of koala bear are indistinguishable to that of a human.
- When water freezes it expans by 9%.
- Fibonacci numbers are named after Italian mathematician Leonardo of Pisa (better known as Fibonacci) who introduced them to Western Europe after they had earlier been described by Indian mathematicians. They are related to the golden ratio and proceed in the following order: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, .... Can you see the pattern?.
- The coloured part of your eye is called the iris.
- 1 gigayear = 1,000,000,000,000 years.
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