This episode first broadcast in 2008: Goat sacrifices of the military by Ian Woolf, Wired Beds by Tilly Boleyn and Evan Shapiro, Junk DNA points the way by Patrick Rubie, Female rats prefer males with recent sexual experience by Patrick Rubie, Jacqui Hayes interviews Chris Lauf of the Cycling Scientists and their travelling energy show, Presented by Patrick Rubie, Produced by Ian Woolf Support Diffusion by making a contribution Support Diffusion by buying through affiliate links