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image: Supergene Explains Ruff Mating

Supergene Explains Ruff Mating

By Jef Akst | 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 Kerry Grens | 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 Bob Grant | 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 Jef Akst | 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 Ruth Williams | 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: Blood Cell Development Reimagined

Blood Cell Development Reimagined

By Bob Grant | November 9, 2015

A new study is rewriting 50 years of biological dogma by suggesting that mature blood cells develop much more rapidly from stem cells than previously thought.

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image: New Route to Hearing Loss Mapped

New Route to Hearing Loss Mapped

By Kerry Grens | November 5, 2015

Deficiency in a protein called pejvakin makes inner ear cells more vulnerable to sound, unable to brace themselves against oxidative stress stimulated by noise. 

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image: Three Origins for Rice?

Three Origins for Rice?

By Karen Zusi | November 3, 2015

Rice was domesticated three separate times across Asia, a new study suggests.

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image: Allele Linked to Obesity in People

Allele Linked to Obesity in People

By Kerry Grens | November 3, 2015

A single nucleotide polymorphism in BDNF is tied with lower levels of the protein and higher body-mass index.

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image: Adding Padding

Adding Padding

By Karen Zusi | November 1, 2015

Adipogenesis in mice has alternating genetic requirements throughout the animals’ lives.

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