Folding, Flooding and Faulting: How the Earth Is Shaped

Picture a bathtub with the drain open and the faucet going, geologist Norman Lasca suggests, to better understand how the watertable and soil conditions interact under conditions of potential flooding. Later in “Folding, Flooding and Faulting: How the Earth is …

Alien Invaders: Exotic Species in the Food Web of the Great Lakes

Biologist Arthur Brooks in this lecture highlights the interplay of human activity and its impact on the Great Lakes ecosystem over a 200-year period. Utilizing diagrams and high-speed photography, Professor Brooks also discusses the food web of the Great Lakes and gives numerous examples of how exotic species alter the balance within an ecosystem.