- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things.
- The number Pi (the ratio of the circumference to the diameter of a circle) can't be expressed as a fraction, making it an irrational number. It never repeats and never ends when written as a decimal.
- The strike note of the Liberty Bell is E flat.
- Bananas grow pointing upwards.
- Ripening bananas glow an intense blue under black light.
- Warthogs can reach speeds of 48km/h (29mph).
- The Super Soaker was designed and invented by a NASA engineer.
- A day on Venus lasts longer than a year on Venus.
- Ants stretch when they wake up in the morning.
- According to the old English time system a moment is 1 and a half minutes.
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