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image: New River Dolphin

New River Dolphin

By | January 27, 2014

DNA sequencing study reveals a new river dolphin species in South America.


image: Week in Review: January 20–24

Week in Review: January 20–24

By | January 24, 2014

Mistimed sleep disrupts human transcriptome; canine tumor genome; de novo Drosophila genes; UVA light lowers blood pressure; aquatic microfauna fight frog-killing fungus


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: Polymer Protects Mouse Heart

Polymer Protects Mouse Heart

By | January 20, 2014

Injection of microscopic particles of a plastic-like material protects mice from cardiac tissue damage following heart attack.

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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: Bacterial Persisters

Bacterial Persisters

By | January 1, 2014

A bacterial gene shuts down the cell's own protein synthesis, which sends the bacterium into dormancy and allows it to outlast antibiotics.


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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