- 111111111 x 111111111 = 12345678987654321.
- Earth is the only known planet where fire occurs.
- A male baboon can kill a leopard.
- 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.
- Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
- The teeth of a viperfish are so sharp and long that if it closed its mouth with the teeth inside, it would pierce its brain.
- Flamingoes can live up to 80 years old.
- 111,111,111 x 111,111,111 = 12,345,678,987,654,321.
- People don't sneeze in their sleep.
- Bull's can run faster uphill than down.
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