April 08, 2009

Signatures of Citizenship

Signatures of Citizenship: Petitioning, Antislavery, and Women's Political Identity in the Time of Lincoln

With Susan Zaeske, Ph.D., (Professor and Chair, Communication Arts Department, University of Wisconsin, Madison)

April 06, 2009

The Crowded Universe: The Search for Living Planets

Guest: Alan Boss, Ph.D.

NASA's Kepler mission is the first space telescope designed specifically to look for planets similar to Earth outside of our solar system. In his recent book The Crowded Universe, astronomer Alan Boss argues that Earth-sized planets are plentiful in the universe. He joins the show today to talk more about the formation of Earthlike planets and the search for extraterrestrial life.

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