Sara Walker is a guest on a podcast series created by Carl Zimmer on the theme "What is Life?". The episode is one of six in a series featuring leading researchers. Here are the links to the episodes:
Episode 1. Carlos Mariscal: What Do We Mean When We Ask, “What Is Life?”
Episode 2. Sara Imari Walker: If We Find Alien Life, Will We Even Know It?
Episode 3. Jim Cleaves: The Origin of Life, From Frankenstein to a Laboratory Flask
Episode 4. Caleb Scharf: How Did Life Begin?
Episode 5. Jeremy England: Why Does Life Exist?
Episode 6: Steven Benner: How Weird Can Life Get?
Sara Imari Walker