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  • NOVA

Secret Life of Scientists: Mark Siddall | PBS

Duration: 01:23
Program: NOVA

Collection: Secret Life of Scientists

The first of 16 scientists we interviewed for the first season of The Secret Life of Scientists was Mark Siddall aka The Leech Man. Mark loves leeches so much that he actually kind of makes you love them too.



Post Date: December 10, 2009