Why Does Hair Turn Gray?
People with gray or white hair didn’t always have hair that color. Their hair may once have been black or brown, light blond or flaming red. Your hair grows from...
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Why Do Barber Poles Have Red and White Stripes?
Why Do Barber Poles Have Red and White Stripes? A “barber’s pole” with a helical stripe is a familiar sight, and is used as a secondary metaphor to describe...
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Are White Eggs Better than Brown Eggs?
Are White Eggs Better than Brown Eggs? Some people prefer white-shelled eggs. Other people say that brown-shelled eggs are more wholesome to eat. The truth is that the...
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Why Does a Jet Plane Leave a Vapor Trail?
Why Does a Jet Plane Leave a Vapor Trail? The white streaks planes leave behind are actually artificial clouds called contrails, which is a shortened version of the...
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Is Black a Color?
No, black is not a color. It is actually the absence of light, which our brain visualizes to us in some way. White light is a mixture of all the colors in the rainbow....
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