What Do the Numbers in the Zip Code Mean?
What Do the Numbers in the Zip Code Mean? By reading zip code numbers, post office employees can route the letters more directly to their destination, and sort them...
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How Does the Ear Give Us Balance?
How Does the Ear Give Us Balance? Deep inside the ear there are three small horseshoe-shaped tubes that have nothing to do with hearing. These tubes are called the...
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How Do Snakes Move?
How Do Snakes Move? Despite the fact that they have no legs, snakes are able to move and get along very well indeed. Most snakes slither along in a serpentine motion...
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How Are Alligators and Crocodiles Killed for Their Skins?
How Are Alligators and Crocodiles Killed for Their Skins? The alligators, crocodiles, and other reptiles killed for their skins suffer immensely. Most alligator skins...
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How Does a Rattlesnake Rattle?
How Does a Rattlesnake Rattle? It’s easy to recognize a rattlesnake by the rattle at the end of its tail. The rattle is a series of horny, cup-shaped rings that...
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What Makes an Echo?
What Makes an Echo? An echo is a sound that we hear after it is reflected, or bounced back, from some object. When we shout, sound waves travel through the air in all...
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How Did the Netherlands Get Its Name?
How Did the Netherlands Get Its Name? “Netherlands,” in the language of the Dutch, literally means “lowlands.” The country (also called...
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Why Does It Take Longer to Boil an Egg at High Altitudes?
Why Does It Take Longer to Boil an Egg at High Altitudes? If you have ever camped on a high mountain, you probably discovered that it takes longer to cook your food up...
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How Is Leather Made?
How Is Leather Made? Leather is made from the skins or hides, of such animals as cows, sheep and goats. The skins are made into leather by a process called “tanning.”...
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How Does the Chinchilla Protect Itself?
How Does the Chinchilla Protect Itself? Chinchillas have been hunted to near extinction in the wild for their fur, but are now protected in their natural habitat. In...
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