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image: Fish of Many Colors

Fish of Many Colors

By | January 23, 2014

Researchers seek insight into the pigmentation patterns of guppies and zebrafish.

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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.

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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: Gut Microbes Prevent Locust Swarms

Gut Microbes Prevent Locust Swarms

By | January 15, 2014

Migratory locusts are less likely to aggregate into crop-devastating swarms when infected by the parasite Paranosema locustae.

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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.

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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.

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image: Microbes Expel Swarms of Vesicles

Microbes Expel Swarms of Vesicles

By | January 10, 2014

Scientists present the first evidence that marine cyanobacteria release vesicles—billions and billions of vesicles.

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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

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image: Settlement Signal

Settlement Signal

By | January 9, 2014

A marine bacterium generates contractile structures that are essential for the metamorphosis of a tubeworm.

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image: Superbug Sickens Dozens in Illinois

Superbug Sickens Dozens in Illinois

By | January 9, 2014

A single hospital was at the epicenter of an outbreak of antibiotic-resistant bacteria.

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