- Greek mathematics developed from around the 7th century BC, producing many important theories thanks to great mathematicians such as Pythagoras, Euclid and Archimedes..
- 'orology' is the study of mountains.
- When 2 zebras stand side by side they usually face each other in opposite directions to keep an eye out for predators.
- Chocolate is the number 1 food craved by women.
- The opposite sides of a die always adds up to 7.
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