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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Mystery Box

Meet The Balloonatics

\tIt's crunch time for the 'balloonatics' at Macy's Parade Studio. The balloons themselves, which are designed and fabricated in a warehouse in New Jersey, are getting their final checkup before the Macy's Thanksgiving Day Parade. John Piper and Jim Artle take us around the studio and spill the secrets of inflation, explain how to calculate whether your balloon will float, and explain why the balloons look better after a little time in the sun.

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