Bang Goes the Theory - Rip Currents, Evolution and Making Gold

Seizoen: 5 - Aflevering: 2 / 28 - Eerst uitgezonden: 22 augustus 2011 - Episode ID: 581161

In the second episode of the science series, Liz hits the beach with the RNLI to experience the power of rip currents; Dr Yan attempts to demonstrate evolution by drawing a couple of lines; and Jem is back in the workshop, turning everyday scrap into gold.