- That in the 17th century the value of pi was known to 35 decimal places (today to 1.2411 trillion).
- An area of the Suns surface to the equivalent of a postage stamp would shine with the brightness of over 1,500,000 candles.
- 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 10 trillion living cells in the human body.
- There are 31,536,000 seconds in a year.
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