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By dissecting a cockroach ... yes, live on stage ... TED Fellow and neuroscientist Greg Gage shows how brains receive and deliver electric impulses -- and how legs can respond. This talk comes from the TED-Ed project. Find more TED-Ed videos on our new YouTube channel: youtube.com/TEDEd.
Greg Gage helps kids investigate the neuroscience in their own backyards. Full bio »