Constant Wonder - Radio Archive, Episode 920 , Segment 1
Episode: Life's Edge
- Mar 19, 2021 6:00 pm
- 38:11 mins
What is life? Though scientists have decided on a few of its hallmarks—metabolism, reproduction, information gathering—there are still cases at “life’s edge” that challenge our understanding: tardigrades, slime molds, even pythons in the midst of digesting its prey. Guest: Carl Zimmer, author of "Life's Edge: The Search for What It Means to Be Alive"