NPR: Science Friday
http://www.npr.org/rss/podcast.php?id=510221
Discussion of the current human diet compared to primitive humans as well as chimps and apes.

Sizing Up Sustainable Food

Friday, August 21, 2009, 6:11:30 PM
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These days some shoppers are looking at more than the price of their groceries; they're also considering "food miles" — how far the grapes or pork chops traveled to get to the store. But some experts say eating food grown locally isn't necessarily the best way to go green at the grocery store.
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