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image: Short, Strong Signals

Short, Strong Signals

By | March 25, 2015

Methylation increases both the activity and instability of the signaling protein Notch.

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image: Quorum-Sensing Molecule Modifies Gut Microbiota

Quorum-Sensing Molecule Modifies Gut Microbiota

By | March 19, 2015

Increasing the abundance of a chemical some microbes use to communicate with one another can help reinstate beneficial bacterial populations in the guts of antibiotic-treated mice. 

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image: T Cells of the Skin

T Cells of the Skin

By | March 18, 2015

A census of adaptive immune system components in human skin reveals a variety of resident and traveling memory T cells.

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image: Herpes Vax Shows Promise

Herpes Vax Shows Promise

By | March 12, 2015

A vaccine candidate against herpes simplex virus type 2 provides complete protection against infection in mice, with no evidence of latent virus.

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image: Sewage Bacteria Linked to Obesity

Sewage Bacteria Linked to Obesity

By | March 10, 2015

Microbes identified in a city’s sewage treatment plants correlate with the population’s obesity rate, a study shows.

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image: Polymer Helps Blood Clot

Polymer Helps Blood Clot

By | March 5, 2015

An injectable solution stops bleeding in rats with nicked femoral arteries.

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image: Nanobombs Terminate Foodborne Microbes

Nanobombs Terminate Foodborne Microbes

By | March 5, 2015

Researchers engineer water nanostructures to wipe out pathogens that can spoil food and pose health risks.

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image: NCI Head Stepping Down

NCI Head Stepping Down

By | March 5, 2015

Harold Varmus, who has led the US National Cancer Institute since 2010, is leaving his appointment at the end of the month.

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image: Risky Research Halted at Tulane

Risky Research Halted at Tulane

By | March 3, 2015

Federal officials suspend research on certain pathogens at Tulane University following the escape of potentially dangerous bacteria from a high-security lab.

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image: NYC Rats Harbor Plague Fleas

NYC Rats Harbor Plague Fleas

By | March 3, 2015

Researchers find Oriental rat fleas, the insects that can carry plague bacteria, on New York City-dwelling rodents.

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