Nature Writer Paul Schullery Discusses the Effects of Fires on Yellowstone.

Computer programmer Richard Stallman. Stallman's a genius, he's been called "the best programmer who's ever lived", and he received one the MacArthur Foundation's so-called "Genius Awards," but he's become more widely known for his push to make computer programs freely accessible to everyone. Instead of software companies charging hundreds or thousands of dollars for programs and forbidding the purchasers from giving copies to other people, Stallman wants an unrestricted exchange of programs, and thereby the creativity that they represent.

Critic Maureen Corrigan reviews "American Nervousness." It's a new book by Tom Lutz about a turn of the century disease called neurasthenia. Neurasthenia was a term applied to a wide variety of conditions related to just being "stressed out" by 19th century life. Perversely, neurasthenia was taken as a sign of status, that if you suffered from it, it meant you were fashionably sensitive. (It's published by Cornell University Press).

Rock critic Ken Tucker reviews "Warm Your Heart." It's the first solo album in a decade from Aaron Neville, of the Neville Brothers. The album was produced by Linda Rondstadt.