Rich Gradoville reads the results of a test strip he dipped into a spot along the Des Moines River to monitor the nitrate levels, and records the results on an app on his phone. (Photo by Cami ...

A "classification" is when a volunteer or citizen scientist finishes marking up or sorting one image or other piece of data. Each classification done by volunteers for the Redshift Wrangler project ...

Conservation geneticist Kristin Brzeski has engaged a broad network of grassroots support in her efforts to restore the red wolf population in the American South. Brzeski conducts her research in ...

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In Cambodia, the NGO Khmer Ocean Life has trained residents of coastal fishing communities about threats to marine mammals so they can participate in a citizen scientist network aimed at tracking ...