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image: Ulcer-forming Bacteria Target Tiny Traumas

Ulcer-forming Bacteria Target Tiny Traumas

By Jyoti Madhusoodanan | July 17, 2014

A new study finds that Helicobacter pylori home in on small lesions in the stomach and promote ulceration within minutes of epithelial injury.

4 Comments

image: Next Generation: Biological Pacemakers

Next Generation: Biological Pacemakers

By Ruth Williams | July 16, 2014

Direct reprogramming of cardiac muscle cells into pacemaker cells gives pig hearts back their rhythm.

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image: “Mucho” Ado About Nothing?

“Mucho” Ado About Nothing?

By Jyoti Madhusoodanan | July 15, 2014

Linking a mold identified in a sample of recalled yogurt to consumer-reported illnesses may be premature, scientists say.

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image: HIV Returns in “Cured” Child

HIV Returns in “Cured” Child

By Jef Akst | July 11, 2014

A Mississippi girl who was thought to have been “functionally cured” of HIV as an infant once again harbors detectable levels of the virus.

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image: Another Alzheimer’s Blood Test?

Another Alzheimer’s Blood Test?

By Jef Akst | July 9, 2014

Researchers identify a set of proteins that can predict the development of Alzheimer’s disease-related dementia with 87 percent accuracy.

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image: New Catalog of Human Gut Microbes

New Catalog of Human Gut Microbes

By Jyoti Madhusoodanan | July 9, 2014

An updated analysis of the gut microbiome extends the list of known bacterial genes to 9.8 million. 

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image: Human Gene Set Shrinks Again

Human Gene Set Shrinks Again

By Jyoti Madhusoodanan | July 8, 2014

Proteomic data suggest the human genome may encode fewer than 20,000 genes.

1 Comment

image: Mutations Pervade Mitochondrial DNA

Mutations Pervade Mitochondrial DNA

By Jyoti Madhusoodanan | July 7, 2014

Pathogenic mutations in mitochondrial DNA are common in healthy people, according to a new study.

13 Comments

image: Protein Helps Cells Adapt—or Die

Protein Helps Cells Adapt—or Die

By Ruth Williams | July 3, 2014

Scientists show how cell stress both prevents and promotes cell suicide in a study that’s equally divisive.

0 Comments

image: Magic Mushroom Dreams

Magic Mushroom Dreams

By Jef Akst | July 3, 2014

A psychedelic compound in hallucinogenic mushrooms triggers brain activity characteristic of dream states.

1 Comment

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