How Do Kangaroos Hop?
How Do Kangaroos Hop? The large, stretchy tendons in a kangaroo’s hind legs act like giant springs. As these tendons strain and contract, they generate most of the...
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What Is the Coccyx?
What Is the Coccyx? The coccyx, commonly referred to as the tailbone, is the lower end of the spinal column of man and consists of four nodules of bone, like tiny...
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Why Does Jelly Wobble and Wiggle?
Why Does Jelly Wobble and Wiggle? The gelatin we eat in Jelly typically comes from collagen extracted from the ground bones, hooves, and connective tissues of animals...
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Why Doesn’t a Sleeping Bird Fall off Its Perch?
Why Doesn’t a Sleeping Bird Fall off Its Perch? A sleeping bird cannot fall off a twig or branch because its feet are firmly locked in place. The feet of passerines...
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