Browsing 70 - 80 results of 265 programs for subject - Life Science/Biology
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? We speak with biologist David Ainley, who has been studying Adelie penguins in Antarctica for more than 25 years Our Exploratorium team talks to scientists from POLENET (Polar Earth Observing Network). In this interview from in front of the Canada Glacier in Antarctica’s Taylor Valley, Hassan Basagic from Portland State University describes the essential role of polar glaciers in supporting the bare-bones ecosystems in the Dry Valleys. 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. 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. 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.
Adelie Penguins bicker around their nests at Cape Royds, Ross Island, Antarctica. Penguin adults tending their chicks at the colony Shots of the research pen at the Cape Royds adelie penguin colony.