Peter Seligmann

Mar. 27, 2009

Ocean Priorities

Ira talks with Peter Seligmann, chairman of Conservation International, and with Philippe Cousteau Jr. about the connections between ocean policy, the environment, and the economy.

oceans, environemnt, ecosystem

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Michael Pollan Talks Plants and Food

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Whale Tales

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Mystery Box

How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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