- Crocodiles are colour blind.
- The yo-yo was originally used as a weapon for hunting the in the Philippines.
- There are over 130 species of owl.
- The human body contains 96,000km(59,650miles) of blood vessels.
- You might have heard the word 'infinity' before or seen its symbol that looks like the number 8 placed on its side. Infinity means a limitless quantity or something that goes on forever. While it's not really a number like 1, 2 or 3, infinity is often used in math as part of equations and formulas..
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