- Before 1850 golf balls were made of leather and were stuffed with feathers.
- Female condors lays a single egg once every 2 years.
- 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..
- Caterpillars have over 2,000 muscles.
- Christmas trees originated from Germany.
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