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Why Is Hair Parted?
February 20, 2013 | ArticleThe function of body and head hair, and why it grows the way it does.
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What's The Difference Between a Frog and a Toad?
February 20, 2013 | ArticleThe difference is only skin-deep.
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Why is Poop Brown?
February 19, 2013 | ArticleFecal matter, aka poop, is the end product of the digestive process - and here's the secret of its chief visual property.
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Why is Friday the 13th Considered Unlucky?
February 19, 2013 | ArticleFolklorists think the dread goes back at least a few centuries.
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What Color Is a Mirror?
February 15, 2013 | ArticleA perfect mirror has specular reflection, meaning it reflects all light in a single direction equal to what it receives.
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What's the Difference Between Dark and White Turkey Meat?
February 15, 2013 | ArticleTurkey meat is turkey muscle. Whether it's dark or white simply depends on how much the bird uses it.
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Why is Cow's Milk White?
February 15, 2013 | ArticleA combination of calcium-rich casein and certain fats give bovine juice its color.
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Why Does the Moon Look Bigger on the Horizon?
February 14, 2013 | ArticleYou might have heard it is magnified by the atmosphere just as it rises. Not so. Instead, it's your brain on Moon drugs.
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Why Haven't All Primates Evolved into Humans?
February 14, 2013 | ArticleHumans did not evolve from apes, gorillas or chimps. We are all modern species that have followed different evolutionary paths.
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Why Don't Penguins' Feet Freeze on Ice?
February 14, 2013 | ArticleActually, bare feet prevent these stately ice emperors from burning up in their suits.
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