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Popcorn has been around at least 4,000 years. The Aztecs even had a word for the sound of kernels popping — totopoca. On National Popcorn Day, ponder the story of this beloved snack.
Popcorn-shaped gold particles gang up on salmonella Date: March 27, 2012 ... Viewed under a powerful microscope, the gold nanoparticles look somewhat like individual pieces of popcorn.