- Humans shed and regrow outer skin cells every 27 days (almost 1,000 new skins in a lifetime).
- Mangoes have noses.
- The subject of the first printed book in England was about chess.
- Mathematical developments increased rapidly around the time of the Italian Renaissance in the 16th century and continued through the scientific revolution of the 17th and 18th centuries, becoming increasingly abstract in the 19th and 20th centuries.
- The term 'disc jockey' was first used in 1937.
- There are more chickens than people in the world.
- 99% of our solar system's mass is the sun.
- Elephants are the only mammals that can't jump.
- Shrimps are all born male but slowly grow into females.
- The first parachute jump from plane was in 1918 over France.
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