Westley Moore, 22, is an international relations major at John Hopkins University in Baltimore.

CNN: The Rhodes scholar

The mission operations centre is the John Hopkins University Applied Physics Laboratory.

BBC: At a glance: Asteroid touchdown

"By the matching observations from Planck to predictions from models, we can assemble a surprisingly detailed picture of the universe as it was one nano-nano-nano-nanosecond after the Big Bang, " said Marc Kamionkowski, professor of physics and astronomy at John Hopkins University.

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"It shouldn't have any impact on clinical practice, because these are not the kind of definitive results that influence clinical decisions, " says John Breitner , a professor of medicine at Johns Hopkins University who was a co-author of the Alzheimer's prevention study.

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