What Is Wet Nursing and Why Are Some Children Wet-nursed?
What Is Wet Nursing and Why Are Some Children Wet-nursed? Wet nursing is an ancient practice, common to many cultures. It has been linked to social class, where...
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Where Do Butterflies Go When It Rains?
Where Do Butterflies Go When It Rains? Butterflies hide when it rains. Some butterflies hide under large leaves, some crawl down into dense leaves or under rocks, and...
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What Is Lepidoptera?
What Is Lepidoptera? The insect order Lepidoptera comprises the butterflies, moths, and skippers. They can be distinguished from all other insects by their two pairs of...
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How Do You Ride a Unicycle?
How Do You Ride a Unicycle? Experts generally agree that the unicycle came about as a result of an early type of bicycle known as a “penny-farthing” (so-called...
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Who First Classified Butterflies and Moths?
Who First Classified Butterflies and Moths? Butterflies and moths were first classified by the great Swedish botanist, physician, and zoologist, Carl von Linnè...
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What Are Fangs and How Do They Work?
What Are Fangs and How Do They Work? A fang is a long, pointed tooth. In mammals, a fang is a canine tooth, used for biting and tearing flesh. Although humans are...
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How Can You Tell a Terrapin from a Tortoise?
How Can You Tell a Terrapin from a Tortoise? All turtles, tortoises, and terrapins are reptiles. They all have scales, lay eggs, and are ectothermic; they vary in size...
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Why Do Farmers like the Ichneumon Fly?
Why Do Farmers like the Ichneumon Fly? The ichneumon fly is known as the farmer’s friend because it controls a great many plant pests. Species have even been...
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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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Where Do Elephants Go to Die?
Where Do Elephants Go to Die? Groups of elephants have been found buried together both in Africa and Asia. The nearness of the animals to each other may be no more than...
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