Nature

River of Concern: 10 Waterways You Should Be Worried About

River of Concern: 10 Waterways You Should Be Worried About

Last year, the 40th anniversary of the Clean Water Act, was a big year for rivers. But there are still a lot of rivers in the country that are unhealthy and at risk. “I would say the two biggest threats we’ve seen have been oil and gas, and dams,” says Amy Kober, communications director of the non-profit American Rivers. “Either existing dams or proposed new dams.” Watershed health is complicated because rivers are tied up with energy debates and public land use. And the issues are immediate. We need clean water now and we need enough of it to sustain us in the future. Here are 10 rivers to put on your radar. —Heather Hansman

Quiz: Inside Animal Minds

Quiz: Inside Animal Minds

Noted science writer Virginia Morell explores the frontiers of research on animal cognition and emotion in Animal Wise, a meticulously researched and spirited account of scientists who’ve devoted their lives to understanding the minds of other creatures, and their discoveries about how and what animals think and feel. Read an excerpt in which the author visits renowned scientist Dr. Irene Pepperberg to explore cognition in parrots, specifically, Alex the African Grey, and then take this quiz based on research explored in the book.

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