Sean Elliott joins us to talk about the origins of life and his upcoming Melbourne Fringe show, Rough Science: Life.Cobi Smith joins us from CERN to talk about her Melbourne Fringe show, Delusions of Slander.The mystery of the ‘Wandering Stones’ of Death Valley may no longer be a mystery. Researchers have used video cameras, GPS units and a weather station to document and track how these large rocks move along the dry lake bed.Researchers at the University of Ottawa have done a really cool experiment with bichirs – a kind of fish that has gills and lungs. Bichirs have been known on occasion to walk on land – although somewhat awkwardly. But these researcherswere looking into the evolution of walking limbs. Essentially how our ancestors first crawled out of the ocean and became land-dwellersRussia’s infamous ‘space sex geckos’ did not survive their microgravity mating experiment. It is believed the heating equipment failed and the lizards froze to death.