- The Greek national anthem has 158 verses.
- Halley's comet passes the Earth every 76 years (the next time it will return will be 2062).
- Squirrels can climb trees faster than they can run on the ground.
- A ten-gallon hat holds less than a gallon of liquid.
- Cats can hear ultrasound.
- An egg contains every vitamin except vitamin C.
- Your blood is 6 times thicker than water.
- Chameleons can move their eyes in two directions at the same time.
- The average ice berg weighs 20,000,000 tons.
- The average age of a polar bear in the wild is 17 years.
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