First person: Behind a scientist's discovery of a tongue-replacing parasite

Professor Nico Smit specializes in aquatic parasitology at Northwestern University in South Africa. Many years ago, while working on his Ph.D., Smit ran across something special in the coastal waters off South Africa: a tongue-replacing parasite. About: On Point is WBUR’s award-winning, daily public radio show and podcast. Every weekday, host Meghna Chakrabarti leads provocative conversations that help make sense of the world.

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Let's make sense of the world – together. From the economy and health care to politics and the environment – and so much more – On Point host Meghna Chakrabarti speaks with newsmakers and everyday people about the issues that matter most. On Point is produced by WBUR.