Darren Samuelsohn

Dec. 12, 2008

Obama Environmental Appointments

We'll talk about President-elect Obama's choices for key environmental posts, including Secretary of Energy and the head of the EPA.

obama, washington, president, congress, environment

Jun. 06, 2008

Climate Change Legislation Fails in Senate

This week, the US Senate took up debate on proposed climate change legislation -- but the bill failed to win the needed number of votes to avoid a filibuster and was pulled from the floor.

climate change, global warming, policy

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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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