- Birds need gravity to swallow.
- 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.
- Tigers have striped skin, not just striped fur.
- The most fatal car accidents occur on Saturdays.
- Sound travels 15 times faster through steel than air.
- 32% of all land in the U.S. is owned by the government.
- There are 31,536,000 seconds in a year.
- 75% of the U.S.'s tart cherries come from Michigan.
- Wild cobras can live up to 20 years old.
- March 14 is 'save a spider day'.
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