- After bananas a zoo gorilla's favorite food is celery.
- From space the brightest man made place is Las Vegas.
- The most sung song is happy birthday.
- The Earth is struck by lightning over 100 times every second.
- 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..
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