Exploratorium home Exploratorium home Explo.tv
Browse media archive by:
Search 
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
Running Time:
00:00:48
Anthropologist Jean-Jacques Hublin discusses the role of conflict and argument in the scientific process.

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