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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.


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.


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.


image: <em>Apiarium</em>, 1625

Apiarium, 1625

By | March 1, 2015

Galileo’s improvements to the microscope led to the first published observations using such an instrument.


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.


image: Medical Equipment May Spread Superbug

Medical Equipment May Spread Superbug

By | February 20, 2015

Drug-resistant bacteria have spread in a Los Angeles hospital, perhaps from contaminated endoscopes.

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image: Subway Microbiome

Subway Microbiome

By | February 9, 2015

Researchers document the bacterial life living among New York City’s transit stations.


image: Centennial <em>Shigella</em>

Centennial Shigella

By | February 1, 2015

A strain of the dysentery-causing bacterium isolated in 1915 tells the story of a young soldier who died of the disease in the early days of World War I.



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