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Activists chant, “Water is life.” Introductory chemistry teachers instruct, “Water is the universal solvent.” Because of water’s exceptional ability to dismember all sorts of materials – carbon-based molecules, metals, salts – as well as its ability to absorb all sorts of gases – paleontologists... Read more.

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“I started studying rivers pretty late in life,” says the ebullient voice of my mid-20s-research-technician-self. “Actually, I got a master’s degree in Forestry first.”

“Twenty-five isn’t so late,” grumbles the wearier voice of my mid-50s-professor-self.

Ten address changes, two... Read more.

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The broad brim of my plain hat shades my face and neck from the relentless Arizona sun as my old mule packer’s boots crunch along a dry creek bed. A small band of us, strangers just days before, are holding what my journal describes as “Meeting for Worship on the Occasion of the Sonoran Desert... Read more.

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