PBS NewsHour: Alan Alda is Trying to Find the Next Carl Sagan

Miles O’Brien reports on a contest created by actor Alan Alda, which challenges scientists to flex their communication muscles by answering the seemingly simple question, “What is a flame?” Thousands of 11-year-olds serve as judges.

http://www.pbs.org/newshour/updates/science/july-dec12/milesflame_07-01.html