A niche industry of tour companies is taking people into wolves' habitat at Yellowstone National Park. Montana Public Radio's Dan Boyce went on an expedition with a man who recognizes the problems wolves bring to the landscape even as he makes his living off of them.
This week solar flares sent a huge blast of X-rays and charged particles screaming towards the Earth. Solar astronomer David Hathaway and physicist Doug Biesecker discuss the sun's explosive behavior, and how that 'space weather' affects satellites, airplanes and the electric grid.
BP released millions of gallons of dispersants to break up oil from the Deepwater Horizon disaster. But what if dispersants could be sucked up again after doing their job? Chemist Julian Eastoe talks about an iron-containing soap he's created that can be recaptured using a magnet.
A 33,000-year-old skull of a "wolf on the way to becoming a dog" was found in a Siberian cave. Evolutionary Biologist Susan Crockford, co-author of a study about the skull in PLoS ONE, discusses why the discovery challenges common beliefs about dog domestication.
Community opposition helped sink plans for a nuclear waste repository in Nevada's Yucca Mountain. Meanwhile, thousands of tons of radioactive waste are piling up at temporary storage sites around the country. As the U.S. once again looks for a new permanent storage site, an expert panel says local buy in will be key.
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