Archaeologists working at the Templo Mayor site of Aztec ruins in Mexico City, in August 2015. Scientists say the remains of women and children are among those found at a main trophy rack of human skulls, known as "tzompantli." Hector Montano/AP hide caption

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Hector Montano/AP
Adam Cole/NPR

From Aztecs To Oscars: Popcorn's Beautiful, Explosive Journey

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