BONUS: Turning To Stone: Discovering The Subtle Wisdom Of Rocks

BONUS DISCUSSION:  Dr. Marcia Bjornerud, Walter Schaber professor of environmental studies and professor of geosciences at Lawrence University, joins the "Relevant Or Irrelevant" panelists to discuss:  Turning To Stone:  Discovering The Subtle Wisdom Of Rocks.

The host for the 679th edition in this series is Jay Swords, and the history buffs are Rick Sweet and John Kealey.

Opinions expressed in this program are those of the hosts and the guest(s), and not necessarily those of KALA-FM or St. Ambrose University. This program is recorded at KALA-FM, St. Ambrose University, Davenport, Iowa, USA!