Science & Medicine,
Society & Culture,
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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
December 3rd, 2008
Episode 133 of 1101 episodes
Also known as 'lie detectors,' polygraphs are used to record an individual's vital signs, such as breathing rate, pulse, and so forth. Check out this podcast from HowStuffWorks to learn more about polygraphs and the art of lie detection.
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Caroline Feraday and Claire Bullivant on Brits in Hollywood, and Hollywood through the eyes of Brits.
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