- The human body of a 70 kg person contains 0.2mg of gold.
- Blue and white are the most common school colors.
- The symbols used for addition (+) and subtraction (-) have been around for thousands of years but it wasn't until the 16th century that most mathematical symbols were invented. Before this time math equations were written in words, making it very time consuming..
- 2 million hydrogen atoms would be required to cover a full stop (.).
- There are only 4 words in the English language which end in 'dous' (they are: hazardous, horrendous, stupendous and tremendous).
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