- There are 31,536,000 seconds in a year.
- Your blood is 6 times thicker than water.
- Every year over 98% of atoms in your body are replaced.
- Nintendo first produced playing cards.
- Italian mathematician Leonardo of Pisa (better known as Fibonacci) lived between the years 1170 and 1250 and is best known today for Fibonacci numbers, the number sequence named after him. Fibonacci introduced the number sequence to Western Europe in his book 'Liber Abaci' after they had been described earlier by Indian mathematicians..
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