Helium Shortage, Radiation and Airport Security
Show: Bang Goes the Theory --> Season: 5 - Season 5
AirDate: 9/26/2011
Runtime: 30
Voting: 0 (0)

Overview: Dallas investigates a potential global helium shortage, Dr Yan tests shoppers on how much they know about radiation, and Liz tries out the new airport security technology that can see beneath your clothes.