<p>Broadcast date: Friday 22 January 2010</p>

Astrophysicist Tamara Davis and the search for dark energy

Catch up on all the thought-provoking interviews with authors, writers, artists, politicians, psychologists, musicians, celebrities, survivors and more from the daily ABC radio show and podcast 'Conversations' with Richard Fidler and Sarah Kanowski from the years 2009-2011. To binge even more great episodes of the 'Conversations podcast' with Richard Fidler and Sarah Kanowski go the ABC listen app (Australia) or wherever you get your podcasts. There you'll find hundreds of the best thought-provoking interviews with authors, writers, artists, politicians, psychologists, musicians, and celebrities.

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Astrophysicist Tamara Davis and the search for dark energy

Astrophysicist Tamara Davis and the search for dark energy