Science Expert Kevin Delaney Lights Jimmy Fallon and The Roots' Hands on Fire

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Street Science host Kevin Delaney performs some experiments with Jimmy, including painting with "glow sticks."

Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, Science Expert, Kevin Delaney, lights, Jimmy Fallon, the roots, Hands, fire
S4 E726 minHighlightTalk and InterviewLatenight