Scientists have discovered a new phylum of microbes in the Earth's Critical Zone, an area of deep soil that restores water quality. Ground water, which becomes drinking water, passes through where ...

“The Critical Zone extends from the tops of trees down through the soil to depths ... part of the Earth that is relatively unexplored.” What researchers found in the deep layers of the ...

Scientists have discovered a new phylum of microbes in Earth's Critical Zone ... This new phylum was identified in soil samples from both Iowa and China at depths down to 70 feet.

But he aims to change this through his work on the Critical Zone, part of the dynamic "living skin" of Earth. "The Critical Zone extends from the tops of trees down through the soil to depths up ...