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» survey, developmental biology and evolution

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image: The Rise of Color

The Rise of Color

By Jef Akst | 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.


image: Carnal Knowledge

Carnal Knowledge

By Bob Grant | July 1, 2014

Sex is an inherently fascinating aspect of life. As researchers learn more and more about it, surprises regularly emerge.


image: Geni-Tales


By Menno Schilthuizen | July 1, 2014

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


image: Size Matters

Size Matters

By Tracy Vence | July 1, 2014

The disproportionately endowed carabid beetle reveals that the size of female—and not just male—genitalia influences insemination success.


image: The Sex Paradox

The Sex Paradox

By Megan Scudellari | 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?


image: Sly Guys

Sly Guys

By The Scientist Staff | 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.

1 Comment

image: Omnivore Ancestors?

Omnivore Ancestors?

By Jyoti Madhusoodanan | June 26, 2014

Fifty-thousand-year-old feces suggest Neanderthals ate both meat and vegetables.


image: Evolving Antibiotic Tolerance

Evolving Antibiotic Tolerance

By Jef Akst | 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: Arrested Development Makes for Long-Lived Worms

Arrested Development Makes for Long-Lived Worms

By Jyoti Madhusoodanan | June 23, 2014

Starvation suspends cellular activity in C. elegans larvae and extends their lifespan. 


image: Week in Review: June 16–20

Week in Review: June 16–20

By Tracy Vence | June 20, 2014

Early Neanderthal evolution; developing antivirals to combat polio; the mouth and skin microbiomes; insect-inspired, flight-stabilizing sensors


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