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Ashton Stark stands next to his 1972 Volkswagen Beetle, which he converted into an electric car. Courtesy Noel Stark hide caption

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Courtesy Noel Stark

This IS His Grandfather's Bug, But Now It's Electric

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Pelicans rest on an oil retention boom near Grand Isle, La. Mario Tama/Getty Images hide caption

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Mario Tama/Getty Images

By Hiring Gulf Scientists, BP May Be Buying Silence

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Smart bandages, including this one from Corventis, can transmit cardiac data in real time from a patient's body to a doctor. Courtesy of Mark Dastrup hide caption

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Courtesy of Mark Dastrup

High-Tech 'Band-Aids' Call Doctors

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This composite image of brain scans shows two traits of a highly impulsive individual. The cool colors in the midbrain are indicative of a decrease in dopamine receptor levels while the warm colors show elevated levels of dopamine in a different part of the brain called the striatum. Joshua W. Buckholtz and David H. Zald hide caption

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Joshua W. Buckholtz and David H. Zald

Just Buy It: Impulsiveness Tied To Brain Chemical

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A woman performs chest compressions on a mannequin while learning CPR on the steps of San Francisco City Hall. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

A Pleurosigma, a type of phytoplankton in the ocean. Phytoplankton generate more than half of the Earth's oxygen. Harry Taylor/Nikon Small World hide caption

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Harry Taylor/Nikon Small World

A group of teenagers take a morning jog at the Wellspring Academy in Reedley, Calif., in 2009. The school specializes in helping teens and college students lose weight. A new study shows teens who remain obese risk a lifetime of chronic health problems and poverty. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images