How do we know when something is alive? What of things that meet all the same requirements but we consider not alive? Understanding and designing a new checklist to measure life on this episode.

 Story:
The duo unpacks what constitutes being alive in order to best explain to the listeners who or what to force to listen to the show. But on their journey to understand the concept of life they discover several interesting facts and create an entire checklist with different tiers of life to assist scientists in measuring the possibilities.