Comedian Robin Ince joins the pod to tell us about the latest unholy incarnation of his show Nine Lessons and Carols for Godless People. It's produced in association with the Rationalist Association and New Humanist magazine.
Robin is offering tickets if you send him an answer to his question via Twitter @robinince. Listen to the podcast for details.
In the newsjam we look at new temperature figures released by the Met Office, the BMJ makes allegations about Tamiflu, and Richard Branson's unveiling of his shiny new space ship.
We also ask, is the Royal Institution in crisis?
UN secretary general Ban Ki-moon tells Suzanne Goldenberg, our US environment correspondent, about the influence President Barack Obama is likely to have on the climate summit in Copenhagen.
We introduce Aunt Carole, our science website's new evolutionary agony aunt. In her weekly column, Carole Jahme will be shining the cold light of evolutionary psychology on readers' problems.
Our religious affairs correspondent Riazat Butt visits a conference about Darwin and evolution in Alexandria, Egypt.
The Observer's science editor Robin Mckie, and the Guardian's science correspondent Ian Sample are also in the studio.
WARNING: contains strong language
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