Science from the Poles: Once & Future Climate, Part 1: The Past(Webcast)
Running Time: 00:31:41
Watch as Exploratorium physicists Paul Doherty and Stephanie Chasteen play around with the leading greenhouse gas: carbon dioxide. What is it? How much is there in our atmosphere? What does it do that is so harmful to the environment?
Extremophiles in Kamchatka: Kamchatka Mosaic: Geyser Valley(Clip)
Running Time: 00:00:25
Discovered just 60 years ago, this remote valley in Russia is a treasure trove for scientists studying microorganisms that survive under extreme conditions.
Webcasts made possible through
the generosity of the Gordon and Betty Moore Foundation, The Jim Clark
Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).