Although visible telescope have shed new light on celestial objects, radio astronomy has pushed the boundaries even farther. On this program, Prof. Jack Welch discussed radio astronomy and the search for extraterrestrial intelligence.

With currently diminishing energy resources, the search for alternative energy sources is of prime importance. But, often lost in the debate is the role of efficient energy use. Steve Nadel talks about energy efficiency in America.

The asymmetric structure of biologically active molecules has confounded those interested in replicating their structures. However, novel chemical methods are being developed to attack this synthetic problem, as revealed on this episode.

The hype surrounding the Google IPO may have overshadowed the vast number of competing search engines. On this program, we talked with Kathy Rittweger, cofounder of one such search engine called Bguidx.

Traveling in the age of the internet can be perilous, but also profitable if you know your way around. On this program, we uncovered the best internet travel options for the frugal traveler.

Gamma ray bursts occur following massive stellar events, but their presence still remains enigmatic. On this program, we examined the astrophysics behind these intriguing signals.

Predicting earthquakes is of prime importance to urban regions situated near fault zones. The science behind these methods was explored with the recent recipient of the prestigious Japan Academy Prize, Prof. Hiroo Kanamori.

While electronic mail has revolutionized global communication, its ubiquity is not without a cost. Spam. How does one deal with the ever growing amounts of electronic junk mail. On this program, we featured one innovative approach.

Science fiction films provide a unique forum for showcasing our hopes, fears, and dreams. But, to what degree does science matter in science fiction? We probed this issue on this weeks episode with Gregg Rickmann, editor of the Science Fiction Film Reader.

Legendary journalist, Bill Moyers, joined us to discuss some current issues of big media and journalism.