Uploaded July 2013 | Updated September 2026, 2 weeks ago

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You've probably seen the bed of nails bit at a circus sideshow. You know, a plywood bed with sharp nails sticking up out of it like a medieval torture device. But how does the performer walk away unscathed? And what does any of it have to do with stilettos and an elephant?

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Prepare for a trip down the rabbit hole as Robert Lamb and Julie Douglas lead you on a scientific journey to the very limits of human understanding. "Stuff to Blow Your Mind" examines neurological quandaries, cosmic mysteries, evolutionary marvels and the technological underpinnings of our transhuman future.