- Dolphins can hear underwater sounds from 24km (15miles) away.
- The US is the world's largest consumer of coffee.
- While you sleep you can't smell anything, even really, really bad or potent smells.
- The moon orbits the Earth every 27.32 days.
- If you filled a matchbox with gold it could be flattened into a sheet the size of a tennis court.
- Horses sleep standing up.
- There are 2,598,960 possible hands in a 5 card poker game.
- 111,111,111 x 111,111,111 = 12,345,678,987,654,321.
- All insects have 6 legs.
- House cats have 18 claws.
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