Most consider them pesky critters, but Dr. Alper Bozkurt of North Carolina State University thinks that cockroaches have the potential to save human lives.\r
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MIT Media Labs Hugh Herr explains how he looks to nature when developing new bionic appendages. The amputee and avid rock climber discusses how his .\r
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Brazilian scientist Dr. Miguel Nicolelis is leading the frontier on mind-controlled exoskeletons that can translate thoughts into physical movement. Go inside his .