UW botanist studies extraterrestrial life
By Cayla Guerra | Apr. 24, 2017How did we get here? This is one of the most deep-seated questions in the human race. It is also David Baum’s, exobiologist in the department of botany at UW Madison, research. Life must have started at some moment when the “soupy mixture” of chemicals and minerals stopped being random and became alive. But what does it mean to be alive?