Rip Currents, Evolution and Making Gold Bang Goes the Theory : Season 5 Episode 2
BBC One 30m int(0)
Aired: August 22nd, 2011 @ 7:30 PM EST on BBC One
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.