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Image: Testing electric propulsion

On Aug. 19, National Aviation Day, a lot of people are reflecting on how far aviation has come in the last century. Could this be the future – a plane with many electric motors that can hover like a helicopter ...

dateAug 20, 2014 in Energy & Green Tech
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Who attempts to drive less?

Multiple factors, including structural, social and psychological motivators, contribute to whether a person attempts to drive less, and policy efforts to alter travel choices should address all factors, according ...

dateJun 04, 2014 in Social Sciences
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What makes us human?

What separates humans from other animals, including our closest relatives? It's one of those big questions perennially posed by the evo-curious public. But until recently I seldom gave it much thought. Mostly ...

dateJun 03, 2014 in Evolution
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