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00:24:38
Join Exploratorium biologist Karen Kalumuck as she experiments with enzymes and proteins and shows at what temperatures they function best.

00:29:33
Join Exploratorium biologist Karen Kalumuck as she investigates the characteristics of living organisms and ecosystems, and how climate change affects them.

00:27:47
Exploratorium biologist Charles Carlson talks about why climate change is causing a crisis with the Gulf Stream.

00:33:33
Join Pamela Schaller from the California Academy of Sciences as she discuss penguins and how climate change impacts them.

00:26:39
Penguin researcher David Ainley joins us via telephone from his tent at Cape Royds, Antarctica. Dr. Ainley has been studying Adelie penguins for many seasons from his remote encampment.

00:00:46
The Geyser Valley is a "candy shop" for microbiologists and geochemists.

00:01:15
Bears lumber across a pristine landscape in remote Kamchatka, Russia.