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  • Home Beyond Earth

    This hour, we’ll talk about why Mars may not be the most viable option for a space colony – and we’ll talk about the place that is: Titan, a moon orbiting Saturn, with planetary scientist Amanda Hendrix, co-author of “Beyond Earth: Our Path to a New Home in the Planets.”

  • Lessons From Buzz Aldrin

    This hour, we’ll talk with Buzz Aldrin, the second man to walk on the moon, about perseverance and other wisdom he’s gained in his 86 years, which he’s collected in “No Dream Is Too High: Life Lessons From a Man Who Walked on the Moon.”

  • The Limits Of Science

    We’ll talk this hour about how far science can take us with Dartmouth College theoretical physicist Marcelo Gleiser. His new book is “The Island of Knowledge: The Limits of Science and the Search for Meaning.”