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Secretaries Chu & Salazar ushered in a new era for energy efficiency on the National Mall when they flipped the switch on LED lights in 174 vintage Olmsted lampposts. The bulbs are expected to last up to 25 years and save 65% on energy bills. Check out the full slideshow from the event above

In addition to welcoming 20 new collegiate teams and hundreds of new student decathletes to our 2013 competition, we are announcing a new site: the Orange County Great Park in Irvine, California.

After a six-year long effort, researchers might have found a way to slow down a particularly deadly strain of malaria, or shut it down entirely.

How electric vehicles work and what they're doing to improve fuel efficiency, reduce emissions, and lower maintenance costs.

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