7 More Science Facts with Kevin Delaney

Also available on the NBC app

Science Channel's Kevin Delaney shares seven more science facts ranging from how the periodic table of elements was formed to how many pencils the human body can make.

Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, 9 More Science Facts, Kevin Delaney
S5 E182 minWeb ExclusiveTalk and InterviewLatenight