- Greek philosopher and mathematician Pythagoras lived around the year 500 BC and is known for his Pythagorean theorem relating to the three sides of a right angle triangle: a^2 + b^2 = c^2.
- There are no rivers in Saudi Arabia.
- Fleas can accelerate 50 times faster than a space shuttle.
- 90% of all volcanic activity occurs in the ocean.
- 2 million hydrogen atoms would be required to cover a full stop (.).
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