What Gives Hair Its Color?
Put a single hair under a microscope, and you'll see granules of black, brown, yellow, or red pigment. What you are seeing are tiny particles of melanin, the same pigment that gives skin its color. Inside hair follicles, special cells called melanocytes…
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The life of Monarch butterflies is an amazing one. They develop as caterpillars from the roughly 400 eggs each…
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Coffee: Beverage Of Sedition
Coffee is the most popular drink in the world, consumed regularly by about one-third of the global population.…
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Wetlands Top Ecosystem
Wetlands are areas where water covers the soil, or is present either at or near the surface of the soil all…
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Sibling Rivalry: A Mars/Earth Comparison
Scientific understanding is often a matter of making the right comparisons. In terms of studying the Earth,…