Charles Darwin, Hydrofoil and 3D Bang Goes the Theory : Season 2 Episode 3
BBC One 30m
Aired: March 29th, 2010 @ 7:30 PM EST on BBC One
Dallas 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.
