- Italian mathematician Leonardo of Pisa (better known as Fibonacci) lived between the years 1170 and 1250 and is best known today for Fibonacci numbers, the number sequence named after him. Fibonacci introduced the number sequence to Western Europe in his book 'Liber Abaci' after they had been described earlier by Indian mathematicians.
- Wooly mammoths grew as tall as 14 feet, weighing 10 tons. Mammoths used tusks for protection and to attract mates.
- Sponges hold more cold water than hot.
- You are always looking at your nose, your brain just chooses to ignore it.
- The compass and straight edge were powerful tools in the advancement of geometry, allowing the construction of various lengths, angles and geometric shapes.
- Ferrets sleep between 18 - 20 hours a day.
- An office desk has 400 times more bacteria than a toilet.
- Dendrophobia is the fear of trees.
- Human eyes have over two million working parts.
- Blueberries are very high in antioxidants.
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