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How Tesla Motors Builds One of the World's Safest Cars [Video]Despite its lightweight metal body, the Tesla Model S electric vehicle earned the highest automobile safety rating in North America
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How Safe Are US Nuclear Reactors? Lessons from FukushimaThe U.S. has reactors of the same designs that melted down at Fukushima Daiichi, but regulators hope changes could prevent a repeat of Japan's nuclear crisis.
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Has the 'Era of Easy Oil' Ended?A new analysis concludes that easily extracted oil peaked in 2005, and now dirtier fossil fuels will be burned.
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Can Algae Save the World? A Q&A with Craig VenterThe geneticist and entrepreneur hopes to use synthetic biology to transform microscopic algae into cells that eat up carbon dioxide, spit out oil and provide meals
