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Popcorn

zippo | Mar 2, 201412:04 PM

excerpt:

"It acts as a pressure cooker," says David Jackson, a food scientist at the University of Nebraska. He says the durable kernel keeps water and starch sealed inside. When a kernel is heated, the starch liquefies and the pressure builds until the seed coat breaks.

http://www.npr.org/blogs/thesalt/2014...

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