- In 1642 French mathematician Blaise Pascal invented the mechanical calculator..
- The golden ratio of approximately 1.618 between two quantities such as lengths often appears in nature (tree branching, uncurling ferns, pine cone arrangements etc) and has been used throughout history to create aesthetically pleasing designs and art works such as Leonardo da Vinci's Mona Lisa..
- Banana plants are the largest plants without a woody stem (they belong to the same family as lilies, orchids and palms).
- The average golf ball has 336 dimples.
- The D.C. in Washington D.C. stands for District of Columbia.
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