Anna Sirianni
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The Great Salt Lake's water level is projected to hit a 170-year low this year. Scientists say that could have dire implications for migratory birds, if the lake's food chain collapses as a result.
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Highline walkers set a new record by stepping more than half a mile across a gaping void in Yosemite National Park, balanced on a strip of nylon webbing.
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NPR's Mary Louise Kelly talks with Allie Mellen, a security and risk analyst at Forrester, a research company that monitors cybersecurity. They discuss the wave of cyber attacks on U.S. industries.
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