Why Do We Get Sunburned?
Why Do We Get Sunburned? Sunburn is the result of over-exposure to sunlight, which causes heat and light damage to the skin. Ultraviolet rays from the sun penetrate the...
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What Makes My Teeth Hard?
Although it looks like you can see a lot of your teeth, all you really see is the hard exterior known as the crown. The crown is covered with enamel which is like body...
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What Is Skunk Cabbage?
What Is Skunk Cabbage? It isn’t actually cabbage, but it’s a real stinker. This wild plant grows in moist woodlands and swamps in many parts of North America. Skunk...
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How Do You Solve a Rubik’s Cube?
How Do You Solve a Rubik’s Cube? In the year 1974, Hungarian professor of architecture Ernő Rubik created a three-dimensional cube with rows of blocks that would...
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How Does a Jet Engine Produce Its Power?
How Does a Jet Engine Produce Its Power? A jet engine gets its power from hot gases that are created when the jet fuel is mixed with air and burned. First, large...
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Why Do Men’s Clothes Button on the Right?
Why Do Men’s Clothes Button on the Right? Buttons became popular during the Middle Ages in Europe as fasteners for the close-fitting garments that were coming into...
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Is Watermelon a Fruit or a Vegetable?
Is Watermelon a Fruit or a Vegetable? Watermelon is a vine-like flowering plant. The fruit of this plant commonly called a watermelon is considered by botanists to be a...
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Why Do People Get Headaches?
Why Do People Get Headaches? Headaches actually occur in the muscles, blood vessels, and nerves found in the head and neck. When these areas experience swelling or...
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Why Does Water Put out a Fire?
Why Does Water Put out a Fire? When a fireman squirts water on the burning wall of a building, he is putting the fire out in two ways. The water cools the burning...
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What Causes Geysers?
What Causes Geysers? A geyser is a vent in Earth’s surface that periodically ejects a column of hot water and steam. A geyser is caused by boiling water and...
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