- The Earth experiences over 50,000 earthquakes a year.
- Mathematical developments increased rapidly around the time of the Italian Renaissance in the 16th century and continued through the scientific revolution of the 17th and 18th centuries, becoming increasingly abstract in the 19th and 20th centuries..
- The Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, .....
- The WD in WD-40 stands for Water Displacer.
- Your most sensitive finger is your index finger (closest to your thumb).
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