Eske Willerslev

Dec. 18, 2009

The Dirt on Mammoth DNA

Researchers examining DNA evidence gathered from soil samples say that the woolly mammoth may have survived for thousands of years longer than the fossil record indicates.

mammoth, dna, extinction

Jul. 06, 2007

Ancient Dna Offers Clues About Climate Change

What can ancient DNA can tell us about the effects of climate change?

dna, ice cores, greenland, climate change

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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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