Zombies are the monster of the moment, ambling their gory way through video games, TV shows and movies. What does our zombie obsession say about us? Answering that question is Emily Zarka’s professional ambition. She’s a professor of English at Arizona State University and the writer and host of a PBS web series about zombies called Monstrum and a PBS TV Documentary named Exhumed. (Segment produced by Aubrey Johnson)
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