How Far Can a Flea Jump?
How Far Can a Flea Jump? The ordinary flea can jump about thirteen inches. That is about 100 times the length of its body. If you jumped that well, you could spring the...
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Why Do You Sweat?
Why Do You Sweat? Sweating is a natural biological process that starts soon after you are born. It is one of the ways your body has to cool off when you become too...
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How Do Water Striders Walk on Water?
How Do Water Striders Walk on Water? Water striders, or pond skaters, are held up by the surface film on a body of water. Find a marsh, pond, or quiet creek, and...
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How Does My Hair Grow?
How Does My Hair Grow? Your hair grows out of tiny openings in your skin. These holes, which are too small to see, are called “follicles.” Each hair is a...
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What Is a Mule?
A mule is an animal that has a donkey for a father and a horse for a mother. Mules have no offspring of their own. It looks a bit like both parents. Like the donkey, a...
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