BONUS DISCUSSION:  Dr. Greg Brennecka, staff scientist and cosmochemist at Lawrence Livermore National Lab, in California, is the guest for "ROI" episode 489.  Dr. Brennecka joins the team to talk about "Impact:  How Rocks From Space Led To Life, Culture, And Donkey Kong."

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

The 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!