In this episode of Talk Nerdy, Cara is joined by science journalist and editor Keith Cooper to talk about his new book, "The Contact Paradox: Challenging Our Assumptions in the Search for Extraterrestrial Intelligence." They talk about the history of the search for extraterrestrial intelligence (SETI), and how attempts at understanding potential alien civilizations may help us better know ourselves. Follow Keith: @21stCenturySETI.
