- Greek mathematics developed from around the 7th century BC, producing many important theories thanks to great mathematicians such as Pythagoras, Euclid and Archimedes.
- In eastern Africa you can buy beer brewed from bananas.
- Water can boil and freeze at the same time.
- The tiny pocket in jeans was made for pocket watches.
- The wristwatch was invented in 1904.
- Venus is the only planet to rotate clockwise.
- Disneyland opened in 1955.
- U.S. paper currency isn't made of paper u2013 it's actually a blend of cotton and linen.
- A lobsters blood is colorless but when exposed to oxygen it turns blue.
- Gorillas burp when they are happy.
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