Tomorrow's World - 32x04 - 4- Followmy.tv

Tonight, the American scientists who are trying to re-create the swimming skills of a fish to propel a submersible; and a report from the Atacama Desert in Chile on a miraculously simple invention that can produce drinking water out of thin air. Presented by Carol Vorderman , with Howard Stableford , Shahnaz Pakravan and Monty Don. Editor Edward Briffa