How Can a Hummingbird Stand Still in the Air?
How Can a Hummingbird Stand Still in the Air? A hummingbird can stand still, or hover, in the air because its wings move very fast. When hovering, a hummingbird...
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What Is Skywriting?
Skywriting is the process of using a small aircraft, able to expel special smoke during flight, to fly in certain patterns that create writing readable by someone on...
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How Many Eyes Does a Fly Have?
How Many Eyes Does a Fly Have? The head of a fly is almost “all eyes.” Most flies have four eyes—two large compound eyes and two tiny simple ones called “ocelli.” But...
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Did Unicorns Ever Exist?
Did Unicorns Ever Exist? The unicorn is a mythical animal that never existed, although many people once believed that it did. These animals were believed to be much...
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What Is a Condor?
A condor is a large vulture, a common name for the two species of New World vultures which are the largest flying land birds in the Western Hemisphere. They are the...
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