Presented by Tim Baynes.
News by Gina Sartore.
Cameron from Monday Brekky speaks with Dr Karl Kruszelnicki (edited by Ian Woolf).
Lachlan Whatmore reports on communication via pheromones.
Stephen Pratt of CSIRO talks about the politics and technology of publishing of scientific papers.
Produced by Chris Stewart with technical support by Lachlan Whatmore.