- Europe is the only continent without a desert.
- 96% of candles sold are purchased by women.
- The number of times a cricket chirps in 15 seconds, plus 37, will give you the current air temperature.
- Red light has the highest wavelength.
- Sound travels 15 times faster through steel than air.
- Water can boil and freeze at the same time.
- The $ sign was introduced in 1788.
- Cows can walk up stairs but not down them.
- While you sleep you can't smell anything, even really, really bad or potent smells.
- Camels have 3 eyelids to protect themselves from blowing sand.
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