- Lettuce is the worlds most popular green vegitable.
- A full moon is nine times brighter than a half moon.
- 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.
- Earth's sky is purple, our eyes just see it as blue.
- The algae found in the world's oceans produces nearly 50% of the world's oxygen.
- Scissors were most likely invented ancient Egypt.
- A rhinoceros horn is made of compacted hair.
- The water signs are Cancer, Scorpio, and Pisces.
- Rainbows can only be seen in the morning or late afternoon (the sun needs to be less than 40 above the horizon).
- Gorillas can't swim.
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