- 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.
- Giant tortoises can live in captivity longer than any other animal.
- The ball on top of a flag pole is called the truck.
- Coffee is generally roasted between 204 - 218C (400 - 425F) (the longer the beans are roasted the darker the roast).
- Spiders are arachnids and not insects.
- 93% of households in Denmark consume wine (the highest % in the world with France second with 85% of households).
- A bolt of lightning can reach roughly 50,000 degrees Fahrenheit.
- 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?.
- The average human drinks over 60,566 litres (16,000 gallons) of water in a lifetime.
- The only letter which doesn't appear in the Periodic Table is j.
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