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Running Time:
00:21:19
We speak to Robin Bell from the AGAP (Antarctic Gamburtsev Province) expedition. This is the first systematic study of our planet's last unexplored mountain range. This webcast was our first this season, and we had some technical difficulties.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: December 7, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Astronomy/Space Science, Life Science/Biology
Running Time:
00:01:24
Adélie penguins feeding chicks at Cape Royds, Antarctica.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: December 2, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology
Running Time:
00:00:37
Adélie penguins walking across ice on the Ross Sea, Antarctica.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: December 2, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology
Running Time:
00:00:11
Adélie penguins sitting on eggs in their nests at Cape Royds, Antarctica.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: December 2, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology
Running Time:
00:00:45
Adélie penguins engaging in a behavior called tobogganning. Like sledding, penguins cruise along the slick ice on their bellies -- a faster way of traveling than by walking.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: December 2, 2008
Format: Expedition
Category: Science in Action
Subject(s): Life Science/Biology
Running Time:
00:03:07
Geneticist Mark Stoneking discusses a special type of genetic material called mitochondrial DNA gets passed directly from mother to child. Largely unchanged from generation to generation, this genetic material gives researchers a way to track populations back in time.

Project: Evidence: How Do We Know What We Know? | Browse All

Date: November 11, 2008
Format: Interview
Category: Popular Science
Subject(s): Life Science/Biology, General Science
Running Time:
00:00:59
Anthropologist Tanya Smith explains that invisible microstructure inside teeth creates a durable record of life history, including events such as birth, illness, famine, stress, and death.

Project: Evidence: How Do We Know What We Know? | Browse All

Date: November 11, 2008
Format: Interview
Category: Popular Science
Subject(s): Life Science/Biology, General Science
Running Time:
00:01:53
Anthropologist Jean-Jacques Hublin explains that unlike teeth, bones undergo a lifelong process called remodeling, in which they are constantly being destroyed and recreated.

Project: Evidence: How Do We Know What We Know? | Browse All

Date: November 11, 2008
Format: Interview
Category: Popular Science
Subject(s): Life Science/Biology, General Science
Running Time:
00:02:25
Anthropologist Philipp Gunz explains the process of virtual fossil reconstruction, a technique that can reverse the damage done to fossils by time and the elements.

Project: Evidence: How Do We Know What We Know? | Browse All

Date: November 11, 2008
Format: Interview
Category: Popular Science
Subject(s): Life Science/Biology, General Science
Running Time:
00:00:57
Anthropologist Katerina Harvati explains the rare convergence of circumstances that are necessary for the discovery of a fossil specimen.

Project: Evidence: How Do We Know What We Know? | Browse All

Date: November 11, 2008
Format: Interview
Category: Popular Science
Subject(s): Life Science/Biology, General Science