Clip: Season 6 Episode 2 | 5m 23s
Marcia Bjornerud loves rocks. As a Geology Professor at Lawrence University in Appleton she tries to instill that passion for rocks in her students. Bjornerud says rocks are not just inert objects, “They're records of events that affected this part of the world as well as the entire globe.”
Aired: 09/20/18Video has closed captioning.