- Before 1863 the postal service in the US was free.
- Every square inch of the human body has an average of 32 million bacteria on it.
- Turnips turn green when sunburnt.
- Hippophobia is the fear of horses.
- Kangaroos cannot jump without their tails touching the ground.
- A group of whales is called a pod.
- The average cat can jump 5 times as high as its tail is long.
- 1 gigayear = 1,000,000,000,000 years.
- There is 200 times more gold in the world's oceans than has been mined.
- Scorpions glow under ultra violet light.
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