Senators Joseph Lieberman (I-Conn.) and John Kerry (D-Mass.) unveiled a much-anticipated energy and climate bill Wednesday, aimed at reducing carbon emissions and encouraging the development of clean energy sources. The American Power Act, the Senate version of sweeping legislation…

_pap_embed_custom('news01s3f6aqe9c',482,304,""); Great athletes are often referred to as "naturals" in their respective sports, but how much of their talent can be traced back to DNA is still uncertain to scientists. Are there genes that make some of us fantastic sprinters?…

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