- Greek mathematics developed from around the 7th century BC, producing many important theories thanks to great mathematicians such as Pythagoras, Euclid and Archimedes..
- Dark roasted coffee beans contain less caffeine than medium roasted ones (the longer a coffee is roasted the more caffeine is burns off).
- Draughts (checkers) is older than chess.
- Hydrogen is the most abundant element in the Universe (75%).
- Bottle nosed whales can dive to a depth of 915 metres (3,000feet) in 2 minutes.
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