Recent episodes

Sniffing Out The Science Of Smell There are hundreds of receptors in the human nose that can pick up thousands of odors with each sniff. But how do we make sense of the scents? Smell researchers Stuart Firestein and Donald Wilson discuss the complexities of olfaction and how the brain sorts out what the nose picks up.

Gulf Spill Reveals New Oil-Eating Bacteria Researchers reporting in the journal Science say they have discovered a new species of oil-eating bacteria living half a mile down in the Gulf of Mexico. Study author Terry Hazen discusses the finding and what these bacteria might mean for future oil spills.

Sci-Fi High Tech Comes To Life The future as imagined in science fiction sometimes becomes a reality. Michael and Denise Okuda, graphic designers for Star Trek, and John Underkoffler, science adviser on Minority Report , talk about envisioning the future.

Conquering Your Fear Of Bedbugs With daily reports of bedbugs in movie theaters and clothing stores -- let alone apartment buildings -- bedbug hysteria seems to be reaching new heights. Psychologist Kevin Ochsner studies how people regulate emotion and shares tips for how to get your bedbug fear under control.