Mining microbial treasures from toxic sites

Filled with a noxious brew of copper, cadmium and arsenic, with a pH rivaling that of sulfuric acid, Montana's Berkeley Pit seems inhospitable to life. Nonetheless, scientists have discovered microorganisms in this abandoned ...

Clues to Martian life found in Chilean desert

A robotic rover deployed in the most Mars-like environment on Earth, the Atacama Desert in Chile, has successfully recovered subsurface soil samples during a trial mission to find signs of life. The samples contained unusual ...

Should you feed wild birds in winter?

Nothing brightens a yard like a flock of twittering birds, and nothing draws them like a free meal—but it's an open question whether bird feeders are good for them or not, says a University of Alberta expert.

How global warming is adding to the health risks of poor people

There is mounting evidence of the impact of climate change on human habitat and health, on plant and animal life, on water resources and shorelines. These changes are felt unevenly within – and between – nations and communities. ...

A microbe's membrane helps it survive extreme environments

Within harsh environments like hot springs, volcanic craters and deep-sea hydrothermal vents – uninhabitable by most life forms – microscopic organisms are thriving. How? It's all in how they wrap themselves.

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