4-th episode of 6-th season "Bang Goes The Theory"

What "Bang Goes The Theory" 4-th episode about

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.

Episode number: 4

Episode name: "Crowds"

Episode release date: 2 april 2012 at 19:30

Status: aired