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Hazel Barton is the Ashland Professor of Integrative Science at Northern Kentucky. She explores some of the world's most remote caves to study the remarkable diversity of microbes that thrive in their dark recesses. I spoke to Barton about how she first became captivated by these bizarre organisms, what it's like to do delicate microbiology when you're hip-deep in mud, and why she wants to explore caves on Mars in search of Martians.
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Direct Download: MTS37 (.mp3 | 22 megs | 24 min.)