- Halley's comet passes the Earth every 76 years (the next time it will return will be 2062).
- Mint comes in over 30 varieties.
- A full moon is nine times brighter than a half moon.
- It takes a plastic container over 50,000 years to start decomposing.
- A housefly hums in the key of F.
- Earth's sky is purple, our eyes just see it as blue.
- A crocodile cannot move its tongue.
- Agoraphobia is the fear of wide open spaces.
- Cheetahs can accelerate from 0 to 70 km/h (43mp/h) in 3 seconds.
- Jellyfish can clone themselves.
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