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Five Favorite Penguins Outside Antarctica
Of all the species of penguins, more than half can be found only outside Antarctica. One of our favorites is in the Galapagos
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The Ten Most Spectacular Geologic Sites
Smithsonian picks the top natural wonders in the continental United States
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The Culture of Being Rude
A new biological theory states that cultural behavior is not just a regional quirk, but a defense against the spread of disease
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Wild Things: Life as We Know It
Dog faces, the history of laughter, snakes, and bird warning calls
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