Happiness, Climate Change and Avalanches Bang Goes the Theory : Season 2 Episode 6
BBC One 30m
Aired: April 26th, 2010 @ 7:30 PM EST on BBC One
Dallas hits the streets to discover what makes us happy, while Liz travels to Norway to investigate the latest technology to combat climate change. Jem puts himself in harm's way in avalanche country, and Dr Yan sets an optical illusion challenge to a WI meeting.
