How does the US stack up to others in energy efficiency? Arthur Rosenfeld joined us again to discuss some of the encouraging lessons in energy development around the world.

Cancer is a disease that strikes fear by its mere mention. But, rapid advances in medical science are developing new treatments. On this program, Prof. David Nathan from Harvard MGH discussed new cancer therapies.

Continued developments in space exploration hold the promise for advancing human knowledge about the universe. But, how can humans reconcile these findings with their past beliefs. On this program, Prof. Albert Harrison discussed science, religion, and folklore in space exploration.

Evolution continues to be a contentious idea in modern society, especially in the United States, where it has spurred numerous legal battles over the right to teach the competing concept of Intelligent Design in public schools. On this program, Matthew Chapman discussed evolution vs. intelligent design in the Kitzmiller v. Dover Board of Education case.

While the incident that occurred in Roswell, NM is now 60 years old, theories and rampant speculation remain as to what occurred. On this program, Donald Schmitt discussed investigations into the Roswell incident. Special note: this is our -Independence Day- episode. If you do not get the joke, search the Internet Movie Database.

The Richter Scale is well known to anyone who has experienced an earthquake. But, most are unaware of the man who invented the scale. On this program, Dr. Susan Hough discussed the life and science of Dr. Charles Richter.

Since the launch of Sputnik in 1957, human space endeavors have rapidly evolved. On this program, Dr. Martin Collins discussed the history of the space age.

The occurrence of preventable disease in the United States can be lowered by simple lifestyle changes. On this program, Dr. Raymond Francis discussed the project to end disease.

Setting energy policy continues to be a challenge for government officials. On this program, Dr. Arthur Rosenfeld, California Energy Commissioner, discussed energy policy.

Crickets, cicadas, and katydids are the noise makers among the insects. But, how are their sounds distinguished from one another? On this program, Lang Elliot discussed the songs of insects.