- That in the 17th century the value of pi was known to 35 decimal places (today to 1.2411 trillion).
- Sun light can penetrate clean ocean water up to a depth of 73m (240 feet).
- Finland has the largest number of islands in the world (over 179,550).
- 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 greyhound is the fastest dog and can reach speeds of up to 72kph (45mph).
- The coloured part of your eye is called the iris.
- Your skin is the largest organ making up the human body.
- The typical wave height from Pacific tsunami is between 6 - 9 metres.
- Ablutophobia is the fear of bathing.
- Human eyes have over two million working parts.
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