How Does a Neon Light Work?
How Does a Neon Light Work? Neon lights contain a special kind of gas that glows when you turn on the electricity. The word Neon finds its origin from the word neos,...
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Why Do We Yawn?
Why Do We Yawn? Though we don’t know all the reasons for yawning, it is usually a way of helping our breathing. That extra deep breath gets oxygen into our...
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What Is the Origin of the Dollar Sign?
What Is the Origin of the Dollar Sign? Historians are not certain how the United States began using the “$” as a dollar sign. The probable explanation is that it comes...
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What Is a Fever?
Fever is a body temperature that is higher than normal. (If your body temperature is higher than 98.6 degrees Fahrenheit when you are sick, you probably have a fever.)...
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Why Do Dogs Pant?
Why Do Dogs Pant? Dogs pant to cool off when they are feeling hot. When our body temperature gets too high, we sweat. Evaporation of sweat from the skin takes up a lot...
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