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image: Farming Sped Eurasian Evolution

Farming Sped Eurasian Evolution

By | November 24, 2015

New clues from ancient DNA reveal the remarkable effect of agriculture on adaptation in Stone Age humans who lived across Europe.

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image: Agar Shortage Limits Lab Supplies

Agar Shortage Limits Lab Supplies

By | November 24, 2015

One large provider says the shortfall should clear up by early 2016.

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image: How Gastric Bypass Can Kill Sugar Cravings

How Gastric Bypass Can Kill Sugar Cravings

By | November 19, 2015

A type of bariatric surgery eliminates gut-to-brain signals that trigger sugar highs, a mouse study shows.  

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image: Denisovan DNA Reveals Human Roots

Denisovan DNA Reveals Human Roots

By | November 19, 2015

The ancient genomes of 50,000-year-old Denisovan teeth suggest the extinct species lived alongside Neanderthals and modern humans.

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image: Supergene Explains Ruff Mating

Supergene Explains Ruff Mating

By | November 18, 2015

Two sequencing studies reveal the genetics underlying the sexual behavior of the European and Asian birds.

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image: Wiping Out Gut Bugs Stops Obesity

Wiping Out Gut Bugs Stops Obesity

By | November 16, 2015

In mice lacking intestinal microbiota, white fat turns brown and obesity is prevented.

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image: Incan Mummy Genome Sequenced

Incan Mummy Genome Sequenced

By | November 16, 2015

Researchers decode mitochondrial DNA from the 500-year-old remains of a native South American child, revealing a new line of maternal ancestors.

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image: Another Telomere-Regulating Enzyme Found

Another Telomere-Regulating Enzyme Found

By | November 12, 2015

Researchers identify a novel protein that helps maintain the length of chromosome-capping telomeres. 

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image: Blood-Gut Barrier

Blood-Gut Barrier

By | November 12, 2015

Scientists identify a barrier in mice between the intestine and its blood supply, and suggest how Salmonella sneaks through it.

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image: Breaching the Blood-Brain Barrier

Breaching the Blood-Brain Barrier

By | November 11, 2015

Researchers deliver cancer-fighting drugs to a patient’s brain via the bloodstream, penetrating the blood-brain barrier for the first time.

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