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The X Chromosome and the Case against Monogamy
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Sugar is still pleasurable even when it isn’t sweet—an important clue to the rise of obesity.

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Rensselaer Polytechnic Institute researchers develop a new autofocus lens.

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The most pervasive global strain of HIV began spreading among humans between 1884 and 1924.

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The Sticky Science of Gecko Toes
Artificial adhesive microfibers that do not lose their tackiness seem to imitate the structures with which a wall-climbing lizard clings to wet surfaces.

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