Cheatgrass, an invasive weed, is choking out native sagebrush in the Great Basin--and setting the stage for hotter, more catastrophic fires there. Jen Pierce, an expert on ancient fires, and Mike Pellant, of the Great Basin Restoration Initiative, talk about how fires are reshaping landscapes in the American West.
This summer, Angelina Jolie announced that she had both her breasts removed to reduce her risk of breast cancer. Her story got a lot of people talking. But they didn't necessarily learn more about the genetics of breast cancer risk.
The Chesapeake Bay once supplied most of the nation's oysters, but overharvesting and disease nearly wiped them out. Now, major public-private efforts to re-establish the oyster as a quality local food product appear to be working. And chefs say the results are sweeter than oysters from other waters.
In the years since BlackPlanet launched, Tom Anderson sold Myspace to News Corp. for hundreds of millions of dollars. Mark Zuckerberg's Facebook has become a household name. But nobody seems to remember tech success Omar Wasow. How can that be?
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