How Does a Chameleon Change Its Color?
How Does a Chameleon Change Its Color? Chameleons can change color because of special color cells called chromatophores in their skin that contain different colors of...
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What Are Goose Pimples?
“Goose pimples” are little bumps that sometimes appear on your skin when you are frightened or cold. Goose pimples are caused by tiny muscles at the hair roots in the...
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What Are Fingerprints?
What Are Fingerprints? A fingerprint is merely a record of the pattern of a person’s finger. Look at the tips of your fingers. Do you see the loops and swirls the...
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How Did the Grapefruit Get Its Name?
How Did the Grapefruit Get Its Name? The grapefruit gets its name because it often grows in a large cluster resembling a bunch of grapes. Sometimes as many as a dozen...
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Why Does an Octopus Squirt Ink into the Water?
Why Does an Octopus Squirt Ink into the Water? An octopus squirts its inky liquid into the water to escape enemies. The “ink” is a thick brown fluid...
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