Why Do We Sleep?
No one knows for certain why we sleep, but we all need it. Some researchers think that it provides essential rest for both the body and the mind. During sleep, the body...
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Why Are There Colors?
Why Are There Colors? Sunlight may appear to be white, but it is actually a mixture of all the colors that can be seen in a rainbow – red, orange, yellow, green,...
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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 Do Feet Fall Asleep?
Why Do Feet Fall Asleep? Occasionally, if you sit on one of your legs for a long while, the circulation of blood to your foot slows down. When this happens, your blood...
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Where Does Pepper Get Its Heat from?
Where Does Pepper Get Its Heat from? When you eat a pepper, capsaicin, a chemical present in the pepper comes in contact with pain receptors in your mouth. These pain...
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