![Life's Edge](https://assets.byub.org/images/c607f4c2-eec9-462c-be51-ce17cd0373d8/720x405.jpg)
- 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"