- The Atlantic Ocean is saltier than the Pacific.
- Halley's comet passes the Earth every 76 years (the next time it will return will be 2062).
- An ostriches can outrun a horse.
- Crocodiles never outgrow their enclosure.
- It is believed that Ancient Egyptians used complex mathematics such as algebra, arithmetic and geometry as far back as 3000 BC, such as equations to approximate the area of circles..
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