Rip Currents, Evolution and Making Gold - S5.E2
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.
Rip Currents, Evolution and Making Gold - S5.E2
August 22, 2011
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