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image: Daytime Sleep Alters Human Transcriptome

Daytime Sleep Alters Human Transcriptome

By | January 20, 2014

A mistimed sleep cycle drastically reduces the number of genes that are expressed in a 24-hour rhythm.

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image: Dog-Wolf Split

Dog-Wolf Split

By | January 17, 2014

Yet another genetic study of modern canines, both wild and domestic, supports the notion that humans domesticated dogs before growing crops.

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image: Week in Review: January 13–17

Week in Review: January 13–17

By | January 17, 2014

Debating the origins of placental mammals; H. pylori-human coevolution; ant, bee, and wasp queens emit similar pheromones; profiling protein expression in single cancer cells

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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: Toxin Evolution

Toxin Evolution

By | January 16, 2014

Researchers show that scorpion venom toxins are closely related to defensive proteins from venomous insects.

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image: $1,000 Genome at Last?

$1,000 Genome at Last?

By | January 15, 2014

Illumina says its newest sequencing system can churn out whole human genomes for $1,000 apiece.

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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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