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00:03:16
Dr. John Barnes, Station Manager of NOAA's Mauna Loa Observatory, shares the history of Charles Keeling's pioneering carbon dioxide measurements, which have been taken continually at Mauna Loa since 1958.

00:03:50
A mouse's eye view of the main floor of the Exploratorium. Filmed at the Palace of Fine Arts location in January 2010.

00:32:06
Brendan Kelly learned from Inuit hunters how to train Labrador retrievers to find ringed seals. This allows Brendan and his colleagues to set up live-capture nets to keep the seals from diving after they come up for air. The seals are tagged with satellite transponders so they can be tracked to learn about their breeding grounds and migration habits.

0:27:16
Live from the South Pole-tunneling under the ice in Antarctica! Exploratorium staff members Mary Miller and Noel Wanner report back on the scientific studies going on at the South Pole.

0:54:09
How much time does an astronomer need to get that great picture? We'll talk with scientists about how they determine their experiments, and learn what it takes to make their case for a few minutes of the telescope's time.