- The greyhound is the fastest dog and can reach speeds of up to 72kph (45mph).
- After you've eaten it takes approximately 12 hours for food to entirely digest.
- Tiger Woods' real first name is Eldrick.
- Sir Isaac Newton was 23 when he discovered the law of gravity.
- The word laser stands for 'Light Amplification by Stimulated Emission of Radiation'.
- In France, it's illegal for employers to send emails after work hours.
- In 2015, the Oxford word of the year was the tears of joy emoji.
- There are 7 points on the Statue of Liberty's crown.
- Babylonians measured the circumference of a circle as approximately 3 times the diameter, which is fairly close to today's measurement which uses the value of Pi (around 3.14).
- Over 500 meteorites hit the Earth each year.
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