Ions, not particles, make silver toxic to bacteria

(Phys.org) -- Rice University researchers have settled a long-standing controversy over the mechanism by which silver nanoparticles, the most widely used nanomaterial in the world, kill bacteria.

UV ray of hope for safer drinking water

(Phys.org)—A group of researchers from PML's Sensor Science Division is part of a project that will have a direct effect on improved safety of the nation's drinking water.

Scientists call for new tools to explore the world's microbiomes

In October, an interdisciplinary group of scientists proposed forming a Unified Microbiome Initiative (UMI) to explore the world of microorganisms that are central to life on Earth and yet largely remain a mystery. An article ...

Life discovered on dead hydrothermal vents

Scientists at USC have uncovered evidence that even when hydrothermal sea vents go dormant and their blistering warmth turns to frigid cold, life goes on.

Microbial dark matter dominates Earth's environments

Uncultured microbes—those whose characteristics have never been described because they have not yet been grown in a lab culture—could be dominating nearly all the environments on Earth except for the human body, according ...

Our gut microbiome is always changing; it's also remarkably stable

Turnover is to be expected in the gut—as soon as one bacterium leaves, another is ready to divide and take its place. The question, explored in a Review published March 17 in Trends in Microbiology, part of a special issue ...

Microbial oasis discovered beneath the Atacama Desert

Two metres below the surface of the Atacama Desert there is an 'oasis' of microorganisms. Researchers from the Center of Astrobiology (Spain) and the Catholic University of the North in Chile have found it in hypersaline ...

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