This week at our Liberal Arts Reading Group, we will continue our discussion of Daniel Toma's Vestige of Eden, Image of Eternity. In Chapter 5, titled ``Life, flat or full? (click to download pdf)", Toma asked the question: What is life?

Moderns have struggled to define life. Things that reproduce? Things that eat and excrete? Things that metabolize? Things that have DNA? There are arguments, and counter-arguments for each of these definitions.

In the middle ages, the scholastics defined living things as those that have an immanent capacity of self-movement with the goal of self-perfection.