- Greek mathematics developed from around the 7th century BC, producing many important theories thanks to great mathematicians such as Pythagoras, Euclid and Archimedes..
- There are over 130 species of owl.
- If you filled a matchbox with gold it could be flattened into a sheet the size of a tennis court.
- The center of the Sun is approximately 15 million C (27 million F).
- There is no rice in rice paper.
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