Red Tongues, Gut Bacteria and Stress

19 September 2008
Presented by Chris Smith with Sue Marchant.

HUMAN-ABDOMEN

Human abdomen cartoon, showing liver, stomach and intestines

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Red tongues, intestinal bacteria, appliances on standby and gut-busting stress levels all go under the microscope for Dr Chris's examination in this week's Ask the Naked Scientists, when we'll also find out why an alternator connected to an electric car is a non-starter and what on Earth is nuclear fusion?

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