- Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today's measurement which uses the value of Pi (around 3.14).
- 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.
- Snakes can't blink.
- The longest street in the world is Yonge street in Toronto Canada measuring 1,896 km (1,178 miles).
- When baby polar bear cubs are born they cannot see or hear for their first month.
- Goldfish can see both infrared and ultraviolet light.
- You will experience the billionth seconds of your life when you are 31 years old.
- A moth has no stomach.
- The word 'almost' is the longest in the English language with all the letters in alphabetical order.
- You can tell a turtle's gender by the noise it makes. Males grunt and females hiss.
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