Climate and ocean scientists are questioning a "rogue" experiment off the Canadian coast. A native village dumped hundreds of tons of iron into the water to cause a bloom of plankton, which would then capture greenhouse gases.
Norfolk, Va., has spent decades — and millions of dollars — raising houses and building barriers to successfully hold back the sea. Expanding such efforts to other vulnerable coastal areas, such as New York and New Jersey, could work, but costs could reach the billions.
The city has spent many years studying how to survive flooding in an era of rising sea levels. The centerpiece of its survival strategy is a comprehensive plan to keep water out of some of the most vulnerable neighborhoods.
U.S. regulators have found that Hyundai and Kia motor corporations have overstated the fuel economy for many of their vehicles. Melissa Block speaks with Jerry Hirsch of the Los Angeles Times about the issue and what it means for the auto makers that had been on the rise in the U.S market.
Experts are taking a close look at the country's levees after the failure of one caused massive flooding in New Jersey during Superstorm Sandy. Some argue that rebuilding levees may only set the stage for the next flooding disaster.
While better treatment options are being developed for patients with Crohn's, doctors still don't know what causes the disease. Russell Cohen, co-director of the Inflammatory Bowel Disease Center at the University of Chicago Medicine, provides an update on current research.
Election Day 2012 is just around the corner, and many Americans will be casting their ballots on electronic voting machines. But how reliable are these devices? Michael Alvarez, professor of political science at Caltech, discusses the technologies at your polling station.
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