- Along with arithmetic, geometry was one of the two fields of pre-modern mathematics..
- The Grand Canyon can hold around 900 trillion footballs.
- If you could drive to the sun at a speed of 88.5 km/h (55 mp/h) it would take around 193 years.
- The most commonly used word in English conversation is 'I'.
- Camel's milk doesn't curdle.
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