How Does a Fish Swim?
How Does a Fish Swim? A fish swims by curving its body from side to side, stretching or expanding their muscles on one side of their body, while relaxing the muscles on...
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Why Don’t Fish Sink?
Why Don’t Fish Sink? Fish have adapted to life in water. They are able to move in water, of course. Their body density is slightly smaller than the water in which they...
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How Does the Ear Give Us Balance?
How Does the Ear Give Us Balance? Deep inside the ear there are three small horseshoe-shaped tubes that have nothing to do with hearing. These tubes are called the...
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What Is a Hoverboard?
A hoverboard (or hover board) is a fictional levitating board used for personal transportation, first described by author M. K. Joseph in 1967 and popularized by the...
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What Are Scales and How Do They Work?
What Are Scales and How Do They Work? Scales are valuable tools that help us keep track of our weight. In addition to doctors’ offices, you’ll also find...
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