Tracking microbial succession in petroleum wells

Microbes are invisible to the naked eye, but play key roles in maintaining the planet's biogeochemical cycles. In the Earth's subsurface, microbes have adapted to thrive in the relatively stable extreme conditions. To learn ...

Humans threaten crucial 'fossil' groundwater: study

Human activity risks contaminating pristine water stockpiled deep underground since the age of the mammoths, said a study Tuesday that warns of a looming threat to a critical life source.

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