Crowds Bang Goes the Theory : Season 6 Episode 4
BBC One 30m
Aired: April 2nd, 2012 @ 7:30 PM EST on BBC One
Dallas learns how people in crowds can cooperate subconsciously. Liz learns how architects can control the flow of crowds. Jem talks to some scientists who are attempting to understand how crush injuries can occur. Johnny Ball shows how biologists measure population size.
