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00:46:28
After a week of analyzing the data from the Huygens probe, do scientists think of Titan differently? What were the unexpected findings? Which hypotheses were wrong? Which were correct? Join us as we talk to mission scientists at NASA's Jet Propulsion Laboratory and get the latest on this enigmatic moon.

1:01:06
Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. Tee off with this week’s “secret” ingredient-pet supplies!

00:55:27
Watch as Exploratorium staff and local teachers compete for the title of Iron Science Teacher. Each contestant has 10 minutes to make a science lesson out of a secret ingredient. In this special Halloween edition, today's secret ingredient is: Plastic Bags!

00:22:30
Dr. Eric Lander, a leading figure in the Human Genome Project and director of the Whitehead Institute Center for Genome Research, tells us about the recently completed mouse genome and how the study of other genomes gives key information about human genetics and evolution.

00:09:53
Our team of middle school students from the Aim High program investigates new technologies that use our unique physical traits as tools for identification. The Whirl Reports looks at fingerprints.

12:25:46
Why do many things sound different underwater? How are echoes made? Can you feel or see sound? Join us as we delve into the mysteries of sound. This webcast will feature an Aim High student demonstrating how to make a membranophone; Exploratorium physicist Dr. Paul Doherty modeling sound with ringing aluminum rods, corrugated plastic whirlies, and a slinky; and Marco Jordan, lead educator in the Exploratorium's Outreach program, demonstrating sound science with a "whine" glass and a singing bowl.

1:12:03
In a broad-ranging look at the impact of Eames design on contemporary culture, Steve Cabella hosts a discussion with Joseph Rosa, Curator of Architecture and Design at the San Francisco Museum of Modern Art.

0:21:02
Check in with Noel Wanner and Paul Doherty as they tell us more about their visit to the active volcano Mt. Erebus.