Exploring An Ever-Expanding Universe | WAMU 88.5 - American University Radio
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Exploring An Ever-Expanding Universe

Saul Perlmutter shared the 2011 Nobel Prize in physics for his discovery that the universe was expanding at an accelerating rate. Perlmutter explains how supernovae and other astronomical artifacts are used to measure the expansion rate, and explains what physicists are learning about "dark energy" — the mysterious entity thought to be driving the acceleration.
NPR

Weekend Musher Finds Dogs Keep Her Hanging On

Julia Bayly of Fort Kent, Maine, works as a reporter at the Bangor Daily News. Her passion outside of work is dog sledding. It's the latest installment in our hobby series "Alter Egos."
NPR

A Peace Corps Stint In Madagascar Gave Him A Vision of Vanilla

The top source of vanilla beans sends its fragrant crop abroad for processing into extract. Now a former Peace Corps volunteer aims to boost Madagascar's economy by building a bean-to-bottle business.
NPR

Rep. Ryan Calls For 'Culture Of Inclusion' To Tackle Poverty

Congressman and former Republican vice presidential nominee Paul Ryan discusses his new book, The Way Forward: Renewing the American Idea.
NPR

New Amazon Series Pilots Fall Short Of A TV Revolution

NPR TV critic Eric Deggans ranks Amazon's new batch of five series pilots, asking why none of them seem break the rules of TV quite enough to draw attention.

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