- An office desk has 400 times more bacteria than a toilet.
- Britain was the first country to use postage stamps.
- The Earth weighs 6,588,000,000,000,000,000 tons.
- The smallest ten prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29..
- Less than 20% of shark attacks are fatal.
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