- The sixth sick sheik's sixth sheep's sick' is said to be the toughest tongue twister.
- 10% of with world's food supply is consumed by insects.
- Icelandic phone books are listed by first names (not surnames).
- In 1900 the average life span in the US was 47.
- The atomic symbol for iron is Fe (the original name for iron was Ferric).
- Niagara Falls could fill 4,000 bathtubs 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.
- An Ostrich's kick can kill a lion.
- The drinking straw was invented in 1886.
- You burn more calories sleeping than watching TV.
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