

Bang Goes the Theory
Charles Darwin, Hydrofoil and 3D
TV-PG
S2 • E3 Mar 28, 2010 30mDallas takes on the latest lie detection technology, while Liz looks at the dilemma that threatened to undermine her hero Charles Darwin. Jem faces his toughest challenge yet, to build a human-powered hydrofoil, and Dr Yan gets on the 3D bandwagon.