David Quammen

Oct. 19, 2012

When Infections "Spillover"

Will the next human pandemic start in an animal? Writer David Quammen talks about Ebola, HIV and other diseases that “Spillover” from animals to humans.

zoonotic disease, zoonoses, animal diseases, crossover, spillover, virus, plague, ebola, west nile virus, HIV

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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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