Quickly evolving bacteria could improve digestive health

When the forces of evolution took over an experimental strain of bacteria, it derailed an experiment Duke and NC State researchers thought they were conducting, but led to something much more profound instead.

Q&A: Demystifying the biology of growing older

Exercise. Social connections. Sunscreen. It seems there is no shortage of advice on how to stay young, but among scientists, the exact physiology behind aging remains unknown. Tufts Now asked biology professor Mitch McVey ...

Underground waters resist forced depollution

An experiment conducted at the EPFL Environmental Biotechnology Laboratory has demonstrated the role played by micro-organisms in the degradation – without oxygen – of a very common pollutant: vinyl chloride.

Team unravels mysteries of carbon release in permafrost soils

Like detectives, Argonne scientists are studying clues from the release of carbon in thawing permafrost regions, piecing the clues together to create detailed maps to predict the impact of rising global temperatures on future ...

Groundwater Cleanup at Superfund Site

(PhysOrg.com) -- A chain of chemical reactions between organic waste and naturally occurring chromium appears to explain the long-standing elevated levels of the chemical chromium-6, a human carcinogen, in groundwater at ...

EPA: 'Forever chemicals' pose risk even at very low levels

The Environmental Protection Agency is warning that two nonstick and stain-resistant compounds found in drinking water are more dangerous than previously thought—and pose health risks even at levels so low they cannot currently ...

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