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image: Sizable Winged Dinosaur Found

Sizable Winged Dinosaur Found

By | July 17, 2014

Analysis of an approximately 125 million-year-old fossil found in China creates a new upper limit for microraptor size.

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image: The Rise of Color

The Rise of Color

By | July 1, 2014

An analysis of modern birds reveals that carotenoid-based plumage coloring arose several times throughout their evolutionary history, dating as far back as 66 million years ago.

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image: Geni-Tales

Geni-Tales

By | July 1, 2014

Penises and vaginas are not just simple sperm delivery and reception organs. They have been perfected by eons of sexual conflict.  

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image: The Sex Paradox

The Sex Paradox

By | July 1, 2014

Birds do it. Bees do it. We do it. But not without a physical, biochemical, and genetic price. How did the costly practice of sex become so commonplace?

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image: Sly Guys

Sly Guys

By | July 1, 2014

Across the animal kingdom, dominance isn’t the only way for a male to score. Colluding, sneaking around, or cross-dressing can work, too.

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image: Evolving Antibiotic Tolerance

Evolving Antibiotic Tolerance

By | June 25, 2014

E. coli repeatedly exposed to ampicillin adapt to stay dormant for longer periods of time—just long enough to outlast the antibiotic treatment.

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image: Week in Review: June 9–13

Week in Review: June 9–13

By | June 13, 2014

Ancient apoptotic pathway connects humans to coral; lab-grown, light-sensing retinal tissue; tracking cancer with synthetic phospholipids; diving deep into the lung microbiome

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image: Genome Digest

Genome Digest

By | June 11, 2014

What researchers are learning as they sequence, map, and decode species’ genomes

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image: Faces for Fighting?

Faces for Fighting?

By | June 10, 2014

Scientists propose that hominin facial bones evolved for protection against the powerful blows of combat.

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image: Ancient Apoptosis

Ancient Apoptosis

By | June 9, 2014

Humans and coral share a cell-death pathway that has been conserved between them for more than half a billion years.

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