When Do Sharks Attack Humans?
When Do Sharks Attack Humans? Some sharks may attack human beings if attracted by underwater noises, erratic swimming, and the presence of a large number of bathers, or...
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What Is Coral?
What Is Coral? The hard, dry corals seen in stores and museums are made up the combined skeletons of tiny creatures which once lived joined together as a colony in the...
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How Do Starfish Move About?
How Do Starfish Move About? A starfish (or sea star) creeps along the bottom of the sea in a rather peculiar way. It has hundreds of tiny tube-like “feet”...
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Are Icebergs Made of Salt Water?
Are Icebergs Made of Salt Water? Icebergs do not consist of salt water, but are made of fresh-water ice. They do float in salt water. Icebergs begin as snow, high in...
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How Can Polar Bears Stand Cold Water?
How Can Polar Bears Stand Cold Water? Despite arctic cold, the polar bear can swim in freezing water or walk about wringing wet, and still stay warm. The polar...
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