2006
The Texas Coast and Hurricanes: Immediate Dangers and Long Term Threats. Drs. Gordon Wells, U.T. Center for Space Research
Roberto Gutiérrez, U.T. Bureau of Economic Geology

Central Texas Floods: Flash Flood Alley
Raymond Slade, Jr., Texas Cave Management Association

2005
Roving the Plains of Mars and Mapping the Moons of Saturn. John Curchin, U.S. Geological Survey

ABCs of Aquifers, Bats, and Caves
Julie Jenkins, Texas Cave Management Association
Jennifer Galland, Barton Springs/Edwards Aquifer Conservation District

2004
Space Rocks! John Curchin, U.S. Geological Survey

Wild Weather: South Central Texas Severe/Inclement Weather Hazard
Troy M. Kimmel, Jr., Chief Meteorologist, KVET/KASE/KFMK Radio

2003
Mars! Explore the Red Planet!
Retired NASA Scientist Dr. Humboldt Mandell