- Wind moves air from high to low pressure areas.
- The average person laughs 10 times a day.
- The average age at which America's presidents have taken office is 54.
- Less than 3% of the water on Earth is fresh.
- The ball on top of a flag pole is called the truck.
- Snakes eat their body weight in one year.
- At the deepest point in the ocean, the water pressure is equivalent to having about 50 jumbo jets piled on top of you.
- All babies are born with blue eyes.
- Natural gas has no smell (the odor is artificially added so that people are able to identify leaks).
- Sharks can sense a drop of blood from 4km (2.5miles) away.
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