Diana DeGette

Aug. 27, 2010

Stem Cell Policy Update

This week, a federal district court judge blocked President Obama's executive order dealing with federal financing for embryonic stem cell research. We'll talk about the ruling and what it means for researchers.

stem cell, ethics, dickey-wicker, lamberth, embryonic, esc

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Michael Pollan Talks Plants and Food

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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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