Model Hearts and Mood Altering Microbes

05 September 2011

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This week, a computer model of the heart that could test new cardiac drugs, ancient evidence of antibiotic resistance and the tiny gold rods that may give us control over light. We find out how "friendly" bacteria, probiotics, can alter brain chemistry and calm anxiety, and Meera Senthilingam joins us for a quick flash of other science news.

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