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Scientific American

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Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast


Semen Protects HIV from Microbicide Attack

November 14th, 2014

Episode 153 of 582 episodes

Microbicides that kill HIV in the lab often fail in clinical trials. A study finds that semen may be the culprit. Cynthia Graber reports

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