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Join Exploratorium biologist Karen Kalumuck as she leads a Darwin 101 Webcast using hands-on explorations, audience participation, and special surprises���just in time to celebrate his birthday!

Dr. Jim Tour, a chemist at Rice University, builds the world���s smallest vehicles. He calls them ���nanocars,��� and he thinks these tiny vehicles might lead to nano-sized factories. We���ll also hear from University of Florida graduate student Diane Hickey, who will tell us some of the interesting reactions she���s run into when explaining nanotechnology.

PETER WHITEHEAD is an instrument builder, performer, and composer. His singular instruments, often based on folk instruments from around the world, feature unusual found materials. Among his many instruments are the Heart Banjo, made from a baking tin; the Lawn Lyre, made from an old lawnmower and a metal oil pan; and the Spoonharp, made from a five-gallon metal drum, a eucalyptus branch, and kitchen spoons. Originally from England, Whitehead is now based in the San Francisco Bay Area. Founding member of the Mobius Operandi performance group, he also performs regularly with Closer To Carbon, an improvisational trio.

Join us as we speak with IBM Fellow Dr. Don Eigler, who first used a scanning tunneling microscope to demonstrate the ability to build structures at the atomic level by spelling ���I-B-M��� with individual atoms. Also, meet Tom Rockwell, Director of Public Exhibition at the Exploratorium, who describes, in an audio essay, how he imagines the land of the very small.

Mary Miller chats with scientists at the South Pole about the nearly-completed telescope. The satellite connection to the pole deteriorated quickly, and we hope to repeat this program in the near future. Stay tuned for updates!

Dr. Stephen H. Schneider joins us to discuss climate change. Dr. Schneider was honored in 1992 with a MacArthur Fellowship for his ability to integrate and interpret the results of global climate research through public lectures, seminars, classroom teaching, and research collaboration with colleagues.

Join us as we talk to South Pole scientists about Ice Cube, a major new telescope being built deep below the surface to detect ghostly neutrino particles. The neutrino telescope will use thousands of detectors spread over a square kilometer of ice below the South Pole to study cosmological mysteries such as black holes, gamma ray bursts, and the remnants of supernova explosions.

Check out this amazing footage of how scientists drop detectors miles into the ice to search for elusive neutrinos.

This full-length podcast gives you the full flavor of our Summer Institute. Our staff will tell you about our special month-long Institute, which offers a rich mix of hands-on activities based on Exploratorium exhibits, in-depth content discussions, classroom materials and activities, and machine shop experience. In this podcast, teacher participants tell you what they think about the Summer Institute and how it affected them.

If you���re in a rush, this truncated version will give you information about our Summer Institute, but with less commentary from staff and participants than the full version.