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Stuff You Should Know

How do viruses work? How did the Great Train Robbery 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.

www.howstuffworks.com/

Categorized: Education

Nov 23, 2010 12:35 PM
A Rigid, Sterile Look at Kissing

A majority of human cultures practice kissing in one form or another. But why do we kiss? Is the behavior instinctive or learned? In this episode, amateur philematologists Josh and Chuck take a look at the biology, sociology and pyschology of kissing.

podcasts.howstuffworks.com/hsw/podcas...

 
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