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President Obama was in Iowa Tuesday, touting the electric potential of wind power. Republican rival Mitt Romney was in Ohio, talking up coal. Each candidate accused the other of standing in the way of the rival energy source.

Low-glycemic foods that take awhile to digest may help keep weight off longer than other diets. The low-glycemic diet comes out on top in a new study that compared to the low-carb diet and the low fat diet.

The rolling NASA laboratory called Curiosity has begun its two-year mission on the Red Planet. The nuclear-powered robot pulled off a tricky touchdown in a Martian crater. There is a lot riding on this mission — not the least is the $2.5 billion price tag.

The men's basketball team at Jeremy Lin's alma mater, Harvard University, is making its mark on the national scene — and benefiting from powerful Ivy League recruiting tools: a stellar academic reputation and a big increase in financial aid.

Sometimes a baby's outer ear may be a tad misshapen. Surgery can help later on, but a plastic mold makes the most of the fact that a newborn's ears are pliable. They can reshape within weeks.

The prevalence of smoking and other major cancer risk factors varies widely by state. So does the uptake for preventive screening tests.

Firefighters are battling a huge wildfire at Yosemite National Park in California. Only 7 percent of the fire has been contained. Thousands of firefighters are pitted against it, with more on the way. Thousands of residents have been evacuated.

Mexican civilians in Michoacan State have taken up arms to fight the murderous Knights Templar cartel. Saturday is the deadline for vigilantes to register their weapons with the police.

The health systems serving veterans and military members are different. But both are being scrutinized closely amid allegations of access and quality problems.

A Gallup survey suggests the factors that should be guiding decisions on selecting a college are not selectivity or prestige, but cost of attendance, great teaching and deep learning — in that order.