http://www.radio4all.net/program/36570Podcast for Program: KILLER NATURE: The Medea HypothesisSun, 18 Oct 2009 11:59:21 +0000240http://www.radio4all.net/program/36570Scientist Peter Ward on past extinctions & the next one. Against James Lovelock's friendly "Gaia" - Ward says life may be ecocidal. Deep, thought-provoking. Plus Alex interviewed on the darkening future. And music.Alex SmithSun, 18 Oct 2009 11:59:21 +0000