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0:41:27
In this special "holiday" edition of Iron Science Teacher, Paul Doherty joins our competition in the webcast studio live from Antarctica. 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: ice!

0:46:48
In 1963 Benoit Mandelbrot introduced the fractal concept. Fractals are shapes or behaviors that have similar properties at all levels of magnification. Just as the sphere is a concept that unites raindrops, basketballs and Mars, so fractal is a concept that unites clouds, coastlines, plants and strange attractors. Dr. Mandelbrot dropped in for a visit during our 2001 series of webcasts about Antarctica. We took some time out from the freezing cold to interview him.

0:23:30
In the Exploratorium Live@ studio, we welcome Dr. Karen Kalumuk, who will talk about life in extreme conditions.

0:21:57
Exploratorium staff member Mary Miller is joined by Craig Dunne, a technician at McMurdo Station, to talk about extreme conditions.

0:35:49
Noel and Paul spent several days at an active volcano, called Mt. Erebus. Join them for more stories about their trip and what the scientists are doing there.

0:36:12
Exploratorium staff members Paul Doherty and Noel Wanner describe more of their experiences on Mt. Erebus, and active volcano in Antarctica

0:25:33
In this segment, author Sophie Webb joins us in our Webcast studio to talk about her work with penguins and answer audience questions.

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.

0:27:29
In today's webcast, California Academy of Science's Pam Schullar talks about her work with penguins and answers audience questions.

0:31:36
Karen Joyce has spent 10 seasons in Antarctica. From our studio at the Exploratorium, we talked with Ms. Joyce about what life is like in Antarctica.