- Sound travels 15 times faster through steel than air.
- More people are killed by hippopotamuses then by lions, elephants and water buffalos combined.
- A platypus can eat its weight in worms every day.
- 40% of Amsterdam commuters get to work by bicycle.
- Fibonacci numbers are named after Italian mathematician Leonardo of Pisa (better known as Fibonacci) who introduced them to Western Europe after they had earlier been described by Indian mathematicians. They are related to the golden ratio and proceed in the following order: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, .... Can you see the pattern?.
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