 | | | Is there such a thing as a truth serum?
 
Ever since people have had secrets, other people have been looking for ways to get it out of them. Law enforcement and chemistry alike have searched for a drug that can remove the ability to lie. Join Josh and Chuck as they check in to see how it's going.
| | | | | | What makes us yawn?
What is it that makes us suddenly draw in a deep breath through a wide-open mouth? The beautiful thing about yawning is that researchers really don't know. Whether the answer is physical, mental or even contagious there is pretty much no chance you won't yawn during this episode.
| | | | | | Don't Be Dumb: Goosebumps
In this episode, Josh explains why we humans get goosebumps, taking us through our nervous system's response to certain stimuli and the purpose this might have served in our evolutionary past.
| | | | | | Keep Up With SYSK
Why can't robots get married? How did bullfighting start? How do labor unions work? Join Josh and Chuck as they explore the Stuff You Should Know -- seriously, all of it -- in this podcast from HowStuffWorks.com.
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