- Many mammals, including cats and dogs, walk on their toes in contrast to humans, who walk on the soles of their feet.
- Born in France, Pierre de Fermat was an amateur mathematician who is best known for Fermat's Last Theorem.
- The original design of Monopoly was circular.
- Warthogs can reach speeds of 48km/h (29mph).
- The meaning of 'Blue Chip' comes from blue casino chips which have a high value.
- 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 Hawaiian alphabet has only 12 letters.
- The number 4 is the only number that has the same number of letters in it.
- 40% of Amsterdam commuters get to work by bicycle.
- Ichthyophobia is the fear of fish.
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