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On this page, you'll find regularly updated audio, video, and text reports from our producers and correspondents. We invite you to join the discussion about topics covered here on our board and to subscribe to our audio and video podcasts to download these reports to your computer or MP3 player.
11.21.2007 Leeches!Mark Siddall, a leech expert at the American Museum of Natural History, wants to change how you think about nature's most notorious blood-suckers. Listen in. 
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Mark Siddall gave NOVA scienceNOW host Neil deGrasse Tyson a hands-on tour of a leech-infested swamp.
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© | Created November 2007 |
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