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00:27:05
Paul Doherty and Ron Hipschman discuss some of Saturn's interesting history.

00:43:30
Julia Child and physicist Philip Morrison once cooked up (and sampled) "primordial soup," a mixture of ingredients said to be the materials from which life sprang on Earth. How accurate is this notion? David Deamer studies how some molecules self-assemble into order, and has developed new theories about how life evolved from components on Earth. We’ll talk with him, do hands-on experiments, and watch vintage footage of Julia Child tasting the soup. Guests: David Deamer, Director, UC Berkeley SETI Program, and Karen Kalumuk, Exploratorium staff scientist.

00:58:53
How can a mathematical equation frame the question of life in the universe? We’ll talk with Frank Drake, one of the founders of the SETI Institute, about his famous equation and how it frames the search for signs of intelligent life in the universe.

00:33:44
In this archived program from 2003, join us for a conversation with Pulitzer-prize winning biologist E. O. Wilson, who introduced the term biodiversity to describe the interlocking dependence and diversity of organisms in sustaining life in biological communities.

00:25:57
Dr. Walter Gilbert, a physicist who turned to molecular biology in 1960, won the Nobel prize in chemistry in 1980 for determining the base sequences of DNA. His recent research has concentrated on the structure of genes and the evolution of DNA sequences. In this Webcast, Dr Gilbert tells us how physicists have helped drive discoveries in molecular biology, and the relationship between private and university research efforts.

00:36:24
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. This week’s “secret” ingredient: Zip-Lock Plastic Bags

1:10:23
A unique chance to watch the live progression of the making of a Hubble image! We'll select an image to follow over the course of the following webcasts, showing you the steps along the way as it goes from raw data to a full-color picture. And we'll talk with people who bring Hubble's fantastic images to the public. Part 2 of the previous program.

0:59:39
What's so special about putting a telescope above the atmosphere? Find out by visiting Flight Operations and talking with scientists who've nurtured Hubble from the beginning.

1:00:07
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. This week’s “secret” ingredient: food coloring!

1:38:48
Can stress make you forget? Dr. Robert Sapolsky presents an overview of the disruptive effects of stress on memory and brain aging. Dr. Sapolsky, Professor of Neuroscience at Stanford University, is a MacArthur Fellow and author of numerous articles and books.