- Much of the work done by Leibniz and Newton is based on theories by French philosopher Rene Descartes. As well as his many contributions to philosophy, Descartes also had a huge impact on mathematics, creating analytical geometry, developing a system that describes geometry using algebra, contributing to optics and much more..
- Your right lung takes in more air than your left.
- A deck of cards should be shuffled at least 7 times before playing.
- Elephants are the only mammal that can't jump.
- 'underground' is the only word that begins and ends with the letters 'und'.
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