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

Street Science host Kevin Delaney performs some experiments with Jimmy, including painting with "glow sticks."
The Tonight Show Starring Jimmy Fallon

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

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

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