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Parasite P.I.: Smithsonian Scientist Mark Torchin

Mark Torchin, a marine ecologist at the Smithsonian Tropical Research Institute (STRI) in Panama, talks about how he studies the parasites of invasive marine animals such as snails. Living and working on the Panama Canal, an epicenter of marine shipping, brings a massive influx and variety of invasive marine species that researchers like Mark can study and understand. Much of Mark's research focuses on biological invasions and the dynamics between the host, the parasites and the surrounding ecosystem. Video courtesy of Smithsonian Science.

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