Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our solar system and beyond. The full show archive is available for free.

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Life=Matter+Information: Paul Davies and the Demon in the Machine

Physicist and author Paul Davies returns to talk about his new book that explores the defining role information plays in life on Earth and perhaps elsewhere.

Paul Davies, Author of "The Eerie Silence"

Paul Davies, Author of