- Greek mathematics developed from around the 7th century BC, producing many important theories thanks to great mathematicians such as Pythagoras, Euclid and Archimedes.
- The most commonly used word in English conversation is 'I'.
- A panda is not a bear and actually in the raccoon family. Koalas are marsupials.
- The most common disease is tooth decay.
- The humming bird is the only bird that can fly backwards.
- 32% of all land in the U.S. is owned by the government.
- The word 'lethologica' describes the state of not being able to remember the word you want.
- A group of foxes is called a skulk.
- There is a 50% chance that in a group of 23 people, two will share the same birthday. In a group of 367 people, it is a 100% chance. But only 70 people are required for a 99.9% chance.
- Your normal body temperature is 37C (99F).
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