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Glass Half Full (roughly speaking)
July 23, 2007

Glass Half Full (roughly speaking)

It takes a model to measure subsurface water

The next time you sip a glass of spring water, consider this: Before it got to your lips, that water was soaking through soil, creeping along basalt crevices or flowing through porous volcanic rock. It nurtured microbes, carried dissolved minerals and may have spread the byproducts of human activities. Its pivotal role in the environment […]