<p>On today's <em>Please Explain</em>, we get nosey with smell. Biophysicist Dr. Luca Turin and psychobiologist Dr. Charles Wysocki explain what odors are, how our noses  work, and what kind of information humans can gather by smell.</p>

On today's Please Explain, we get nosey with smell. Biophysicist Dr. Luca Turin and psychobiologist Dr. Charles Wysocki explain what odors are, how our noses work, and what kind of information humans can gather by smell.

Please Explain: Smell

In Please Explain, we set aside time every Friday afternoon to get to the bottom of one complex issue. Ever wonder how New York City's water system works? Or how the US became so polarized politically? We'll back up and review the basic facts and principles of complicated issues across a broad range of topics — history, politics, science, you name it.

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Please Explain: Smell

Please Explain: Smell

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