- 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..
- The first credit card was a Diner's Club card issued in 1950.
- The original design of Monopoly was circular.
- There are over 40,000 muscles tendons in an elephant's trunk.
- Out of the 250+ known species of shark only 18 are known to be dangerous to man.
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