- The dollar was established as the official currency of the US in 1785.
- Once a women reachs the age of 30 they lose 1% of their bone mass every year thereafter (by the time a women is 50 she will have lost 20%).
- A piece of paper cannot be folded more than 7 times.
- John Kellogg invented corn flakes.
- Greek mathematics developed from around the 7th century BC, producing many important theories thanks to great mathematicians such as Pythagoras, Euclid and Archimedes..
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