Segment 1
Video of the SETI Institute’s radio telescope array, pictures from the Kepler mission, and a discussion with Seth Shostak about how SETI searches for extraterrestrial intelligence.

Segment 2
Seth Shostak discusses how we might respond to a finding of extraterrestrial intelligence.    
    

Segment 3
Seth Shostak discusses how searching for extraterrestrial intelligence can teach us more about ourselves.

This episode looks at the search for extraterrestrial intelligence, or ETI, as conducted by the SETI Institute, which uses an array of radio telescopes to search the heavens for signals that might have an intelligent origin. Supported largely by private donors, including Microsoft co-founder Paul Allen and actress Jodie Foster, and aided by recent developments in astronomical observation, they focus on regions that are thought to have significant numbers of earthlike planets. The studio guest is Seth Shostak, the SETI Institute’s senior astronomer. Seth has a Ph.D. in Astronomy from Caltech. he's the host of the SETI Institute's radio show, "Big Picture Science", which is heard on over 30 radio stations, he won the 2004 Klumpke-Roberts Award from the Astronomical Society of the Pacific for his contributions to the public understanding of astronomy, he co-authored a college textbook on astrobiology, and he's written hundreds of articles on popular science topics and is a frequent lecturer on scientific issues.