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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: 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: 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: Tough-to-Clean Equipment a Bigger Problem

Tough-to-Clean Equipment a Bigger Problem

By | March 2, 2015

The number of deaths attributable to certain medical probes may go beyond a recent outbreak in Los Angeles.

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image: Age-Old Questions

Age-Old Questions

By | March 1, 2015

How do we age, and can we slow it down?

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image: As the Brain Ages

As the Brain Ages

By | March 1, 2015

See human brains age in week-by-week time lapse images that divulge the existence of tiny strokes that damage white matter.

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image: Contributors

Contributors

By | March 1, 2015

Meet some of the people featured in the March 2015 issue of The Scientist.

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image: Growth Hormone Guidance

Growth Hormone Guidance

By | March 1, 2015

Intact growth hormone signaling pathways are needed for methionine restriction to extend mouse lifespan.

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image: Long Live Collagen

Long Live Collagen

By | March 1, 2015

Increased collagen expression is a common feature of many different pathways to extended longevity in worms.

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image: Of Cells and Limits

Of Cells and Limits

By | March 1, 2015

Leonard Hayflick has been unafraid to speak his mind, whether it is to upend a well-entrenched dogma or to challenge the federal government. At 86, he’s nowhere near retirement.

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