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image: <em>Drosophila</em>’s New Genes

Drosophila’s New Genes

By | January 23, 2014

An analysis of the transcriptomes of several fruit fly strains reveals dozens of possible de novo genes in each.


image: Sharks and Rays in Danger

Sharks and Rays in Danger

By | January 23, 2014

A new report finds that about a quarter of the world’s cartilaginous fish species are at risk of extinction.


image: Older Trees Grow Faster

Older Trees Grow Faster

By | January 20, 2014

Mature trees soak up more CO2 than younger ones, a study shows, overturning a bit of botanical dogma.


image: The Shared Perfumes of Queens

The Shared Perfumes of Queens

By | January 16, 2014

Ant, bee, and wasp queens emit a similar class of pheromones that sterilize their workers, hinting at a shared ancestry for these chemicals.

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image: Clocks Versus Rocks

Clocks Versus Rocks

By | January 14, 2014

A new analysis suggests that placental mammals originated while dinosaurs were dominant, contradicting a recent high-profile study.


image: Human-Pathogen Coevolution

Human-Pathogen Coevolution

By | January 13, 2014

Helicobacter pylori strains that share ancestry with their human hosts are less likely to cause severe disease.


image: Large Carnivores Under Siege

Large Carnivores Under Siege

By | January 13, 2014

As populations of top predators decline in ecosystems the world over, researchers chart the widespread effects.


image: Week in Review: January 6–10

Week in Review: January 6–10

By | January 10, 2014

Bacterial genes aid tubeworm settling; pigmentation of ancient reptiles; nascent neurons and vertebrate development; exploring simple synapses; slug-inspired surgical glue


image: Book Excerpt from The Monkey’s Voyage

Book Excerpt from The Monkey’s Voyage

By | January 1, 2014

In Chapter 7, “The Green Web,” author Alan de Queiroz describes the evolutionary journey taken by a South American species of sundew plant.


image: Drawn to Controversy

Drawn to Controversy

By | January 1, 2014

By digging through dusty storerooms and reading dead people’s mail, science historian and philosopher Michael Dietrich keeps biologists attuned to the past and mindful of the present.


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