- Turnips turn green when sunburnt.
- A Boeing 747 airliner holds 216,847 litres (57,285 gallons) of fuel.
- The word 'geometry' comes from the Greek words 'geo', meaning earth, and 'metria', meaning measure..
- The Amazon rainforest produces half the world's oxygen supply.
- Italian mathematician Leonardo of Pisa (better known as Fibonacci) lived between the years 1170 and 1250 and is best known today for Fibonacci numbers, the number sequence named after him. Fibonacci introduced the number sequence to Western Europe in his book 'Liber Abaci' after they had been described earlier by Indian mathematicians..
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