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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,
What Is a Sponge?
A sponge is an extremely simple kind of water animal with a soft, elastic skeleton. It has no head, mouth, or brain. Sponges hatch…
How Were Sideburns Named?
How Were Sideburns Named? Sideburns were named after Ambrose E. Burnside, a U.S. Civil War general who popularized this style of beard that
How Did April Fools’ Day Begin?
How Did April Fools’ Day Begin? The custom of playing tricks on friends on April Fools' Day sometimes called All Fools' Day began in…
How Does the Sun Tan My Skin?
How Does the Sun Tan My Skin? Sunlight tans, or darkens, your skin by causing the skin to produce extra amounts of a skin…