John Hoffman

May. 11, 2012

Sizing Up Americans in The Weight of the Nation

Can a new documentary series help shrink America’s growing weight problem?

weight, obesity, diet, exercise, public health

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Michael Pollan Talks Plants and Food

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Ira Asks: How Do They Make Eyeglasses?

You deliver your prescription to an optician, and they return with a pair of eyeglass lenses tailored precisely to your personal vision quirks. But how?

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