Michael Hansen

Nov. 30, 2007

Canadian Beef Imports

Canadian cattle up to 8 years old can now be imported into the U.S., according to rules that went into effect earlier this month. That has some health advocates worried.

cattle, cows, BSE, mad cow disease, agriculture

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Michael Pollan Talks Plants and Food

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Age of Wonder

Ira talks with Richard Holmes, author of 'The Age of Wonder: How the Romantic Generation Discovered the Beauty and Terror of Science.'

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