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image: Wired to Run—and Think

Wired to Run—and Think

By | July 26, 2012

Evolving the ability to run may also have made our ancestors smarter, suggesting that exercise can be healthy for the brain as well as the body.


image: Double Duplication

Double Duplication

By | July 24, 2012

Two whole genome duplications boosted the complexity of the ancestor of all vertebrates, but also introduced potential for disease.


image: The Polar Bear’s Prehistoric Past

The Polar Bear’s Prehistoric Past

By | July 23, 2012

Genomic analyses reveal that the polar bear evolved between 4 and 5 million years ago, far earlier than previous studies had estimated.


image: Sex Drives Chromosome Evolution

Sex Drives Chromosome Evolution

By | July 19, 2012

A relatively new pair of sex chromosomes in the fruit fly allows researchers to track their evolution from the beginning.


image: Flies Evolve to Count

Flies Evolve to Count

By | July 12, 2012

Researchers breed fruit flies that, after 40 generations of conditioning, have acquired the ability to react to numbers.


image: Small-Brained Fish Make More Babies

Small-Brained Fish Make More Babies

By | July 12, 2012

Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.


image: Genetic Shift in Salmon

Genetic Shift in Salmon

By | July 12, 2012

A new study finds that an Alaskan population of the fish has quickly evolved in response to warming temperatures.

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image: Mass Extinctions Set the Pace

Mass Extinctions Set the Pace

By | July 4, 2012

The rate of evolution is affected for millenia after mass extinctions.


image: Opinion: One Microbe’s 15 Minutes

Opinion: One Microbe’s 15 Minutes

By | July 3, 2012

The recently hyped amoeba-flagellate Collodictyon has many secrets to tell about early eukaryotic evolution.


image: Capsule Reviews

Capsule Reviews

By | July 1, 2012

Evolving, The Moral Molecule, Aping Mankind, and Experiment Eleven


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