Adam Riess

Jul. 27, 2012

Ask an Astrophysicist

Nobel Prize-winning astrophysicist Adam Riess takes your questions on dark energy and the cosmos.

astrophysics, astrophysicist, nobel prize winner, dark energy, cosmology, cosmologist, universe, expansion, space

Mar. 16, 2012

Adam Riess: One Cosmic Puzzle Solved, Many To Go

Nobel Prize-winning astrophysicist Adam Riess discusses the mysterious force known as dark energy.

riess, dark energy, nobel prize, cosmology, supernovae

Oct. 07, 2011

Physics Nobelists Observed An Accelerating Universe

The 2011 Nobel Prize in Physics has gone to three American astronomers.

nobel prize, astronomy, physics, cosmology, supernova, dark energy

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Michael Pollan Talks Plants and Food

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Meet The Balloonatics

\tIt's crunch time for the 'balloonatics' at Macy's Parade Studio. The balloons themselves, which are designed and fabricated in a warehouse in New Jersey, are getting their final checkup before the Macy's Thanksgiving Day Parade. John Piper and Jim Artle take us around the studio and spill the secrets of inflation, explain how to calculate whether your balloon will float, and explain why the balloons look better after a little time in the sun.

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