The Naked Scientists flagship science show, includes the latest science news, interviews with top scientists, hands-on science experiments and answers to your science questions.
March 4th, 2012
Episode 479 of 1138 episodes
How can we extract energy from waste? In this week's Naked Scientists we explore the technology that turns muck into methane and consider the fertile issue of nutrient overload resulting from returning the finished products to farmland. And what about water? Why do we individually use ten times more water than we actually need, and what's the solution for a drought-stricken Britain? Plus, in the news, how astronomers have discovered evidence of life in the universe, but only down here on Earth, and the "ungentlemanly" conduct of the upper classes...