How Many Eyelids Does a Camel Have?
How Many Eyelids Does a Camel Have? A camel’s large, dark eyes are protected by three eyelids. The two outer eyelids have long, thick eyelashes that protect the...
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How Does a Rain Gauge Work?
How Does a Rain Gauge Work? There are many kinds of rain gauges. A standard design consists of a wide funnel at the top that feeds into a narrow tube, where the...
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Why Do Dogs Have Wet Noses?
There’s a Christian legend that says dogs’ cold, wet noses are a gift from God. Supposedly, God gave them a gift of thanks for saving Noah’s Ark from...
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Do Bananas Have Seeds?
Do Bananas Have Seeds? If you went out into the wild and opened a banana fruit, you would probably find seeds. Some, in fact, are large and take up much of the fruit,...
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How Did the Bloodhound Get Its Name?
How Did the Bloodhound Get Its Name? Despite the bloodhound’s name, it is not vicious and has no special fondness for blood. This big saggy-skinned dog is...
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Why Does Paper Turn Yellow with Age?
Why Does Paper Turn Yellow with Age? Oxidation causes paper to turn yellow with age. Most paper is made of plant fibers that have been bleached white. After a time, the...
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What Causes Weather?
What Causes Weather? Most weather phenomena occur in the troposphere, just below the stratosphere. Weather refers to day-to-day temperature and precipitation activity,...
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Why Do We Get More Sunlight in the Summer than in the Winter?
Why Do We Get More Sunlight in the Summer than in the Winter? You might not have noticed from just standing the Earth’s surface but the whole Earth tilts over...
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What Were the Changes Brought by the Agricultural Revolution?
What Were the Changes Brought by the Agricultural Revolution? The agricultural revolution brought many, basic changes. Man no longer lived nomadic life as a wanderer,...
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Why Can’t We Cure the Common Cold?
Why Can’t We Cure the Common Cold? Unfortunately, there aren’t any ”miracle” drugs to prevent the common cold. Common colds are caused by a group of...
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