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image: 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.  


image: Size Matters

Size Matters

By | 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 | 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 | 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: Omnivore Ancestors?

Omnivore Ancestors?

By | June 26, 2014

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


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 16–20

Week in Review: June 16–20

By | June 20, 2014

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


An examination of 17 ancient skulls shows that some Neanderthal features arose as far back as 430,000 years ago.

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image: Ancient Fish Analyzed

Ancient Fish Analyzed

By | June 13, 2014

Two paleontological findings yield insights into early vertebrate evolution.


image: Snake Imitators Persist

Snake Imitators Persist

By | June 12, 2014

A harmless snake in the Carolina Sandhills has been mimicking a poisonous species for decades, and has become a better imitator since the latter went extinct.


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