Stuff You Should Know


Society & Culture

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How do landfills work? How do mosquitos work? Join Josh and Chuck as they explore the Stuff You Should Know about everything from genes to the Galapagos in this podcast from HowStuffWorks.com.

Breathalyzers: Really, Really Complicated

August 17th, 2010

Episode 248 of 952 episodes

Breathalyzers work on a simple principle: Alcohol is absorbed into the lungs and present in breath. But the machines that actually measure this alcohol level are really, really complicated. Tune in and learn more in this podcast.

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