It is developing giant off-shore wind turbines, biomass power plants (including projects in Florida and Washington with Duke Energy), and, with its Ausra acquisition, solar thermal power plants.

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This Stanford project led to the founding in early 2012 of Coursera, a social entrepreneurship company that hosts around 200 free courses from 33 of the world's best universities, including Princeton, Stanford, Penn, Michigan, Caltech, Duke, Illinois, Washington and others.

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Obama following a music and dance program at the Duke Ellington School for the Arts in Washington, DC.

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It was a difference that felt familiar to the girls, who are now both 17 and seniors at the Duke Ellington School of the Arts in Washington, D.

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Both public (flagship campuses for the Universities of Florida, Illinois, and Washington) and private schools (Amherst College, Columbia University, Duke University, and University of Pennsylvania) from across the country and the world (Indian Institute of Technology has two alumni this year) make up this group.

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