Gorillas are genetically very similar to humans, however our behavior seems widely divergent. But, we may have more in common with our primate relatives than one might suspect. On this program, Andrew Grant discussed lessons from gorilla behavior.

Complementary and alternative medicine claims cures for ailments spanning the range from allergies to cancer. But, does scientific research support any of these claims? On this program, Prof. R. Barker Bausell discussed the problems with complementary and alternative therapies.

Supervolcanic eruptions have the potential to drastically alter the environment and seriously affect human civilization. Understanding the geological consequences of these events continues to challenge scientists. On this program, Dr. John Savino discussed the impact of a supervolcanic eruption.

Changes in the global environment are threatening the existence of many species of birds. But, what can be done to help? On this program, Dr. Jeffrey Wells discussed current bird conservation efforts.

The theory of evolution states that selective pressures result in the survival of the fittest. But, what selective pressures are placed on humans? It turns out that our worst enemy may be ourselves. On this program, Wendy Northcutt discussed the Darwin Awards. In addition, Caltech scientists discussed recent advances in geek fashion.

Sensory events are conveyed to our brains and interpreted in specialized maps of the outside world. On this program, Sandra Blakeslee discussed the function of these body maps in the brain.

The discovery of the Peking Man fossils in China was a landmark discovery for archaeologists and anthropologists. On this program, Dr. Amir Aczel discussed the discovery of the fossils and the tale of one of the main investigators involved in the project, Pierre Teilhard de Chardin.

Written language has evolved as a unique human trait for communicating ideas. But, how have human brains evolved to read and write? On this program, Prof. Maryanne Wolf discussed the evolution and development of the reading brain.

Economics is often viewed as the dismal science, but everyday decisions are often guided or aided by economic considerations. On this program, Prof. Tyler Cowen discussed incentive economics.

The relationship between China and the United States has far reaching implications in terms of politics, economics, and technology. On this program, Prof. June Dreyer from the University of Miami discussed Sino-US relations.