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00:19:33
What makes one individual "fitter" than another? Staff scientist Karen Kalumuck introduces natural selection, then four teams of "predators" compete with each other for prey.Who will thrive and who will face extinction?

00:46:44
We speak with biologist David Ainley, who has been studying Adelie penguins in Antarctica for more than 25 years

00:07:06
Our Exploratorium team talks to scientists from POLENET (Polar Earth Observing Network).

00:15:33
UC Berkeley astrophysicist Bill Holzapfel takes us on a tour of the South Pole Telescope and explains how it is unlocking the secrets of the Universe.

00:10:47
We tour the NOAA Atmospheric Research Observatory at the South Pole where scientists are monitoring carbon dioxide levels, CFCs, solar radiation, and the ozone hole.

00:49:29
Our intrepid Exploratorium team shares experiences from their visit to Shackleton's hut. This hut is at Cape Royds, where Shackleton mounted an expedition to the South Pole and made a first ascent of Mt. Erebus.

00:20.15
We take a tour of Black Island, and speak with Tony Marchetti who for the last 13 years has been running this vital communications station for the U.S. Antarctic operations.

00:26:23
In this program, learn about meteorite hunting in Antarctica with Ralph Harvey who leads the Antarctic Search for Meteorites program (ANSMET).

00:38:04
We talk to photographer John Weller, who spent the austral summer 2008 scuba diving under the ice in Antarctica.

00:25:19
Meet marine biologist George Matsumoto from the Monterey Bay Aquarium Research Institute and learn about the floating ecosytems that thrive around icebergs in Antarctic waters.