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Chuck and Josh end up making reduxes of past episodes on things like sweating and deodorant in this all-new episode on the science beneath what makes people smell. Learn all about your odor in this classic episode.

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In this week's SYSK Select episode, one of the fields of forensic investigation, handwriting analysis is based on the principle of uniqueness - that each person writes in their own peculiar way. Learn about this interesting area of crime fighting and how it's worked to advance itself as a real science.

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Everybody knows how many whacks Lizzie Borden gave her mother and father with that axe, but there is plenty about the infamous double homicide that remains unresolved, like who actually did it. Travel into the mystery of Lizzie Borden in this episode.

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Benjamin Franklin first came up with daylight saving time in 1748, and people still practice it today. But how does it work? What are the pros and cons? Join Josh and Chuck as they turn back the clock to explore the origins of daylight saving time.

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Although today's pirates aren't storming the coast of Florida or other eastern states, piracy is still around in this modern age. Join Josh and Chuck as they look back at the history of piracy -- and its successors -- in this episode.

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