The tale of an unlikely scientific pioneer; from the development of penicillin to transplant surgery, research on mice has been pivotal.

With Zienab Badawi.

Then Weather

9/13. Rose Tremain talks about contemporary and historical fiction with John Naughtie, and playwright Chris Dolan puts forward the case for older books.

Sex offenders are notorious recidivists. So how can paedophiles be rehabilitated into the community?
Criminologist and ex-prison governor David Wilson examines a radical concept from Canada that does just that.

7/10. Comic Shazia Mirza and neurophysiologist Dr Mark Lythgoe join the quiz. With Marcus du Sautoy, Kathy Sykes and Michael Rosen.

Could medicinal marijuana be the answer to Lucille 2's vertigo?
Liza Minelli guest stars.

3/6. A wry look at the life of the author of Frankenstein and teenage goth, Mary Shelley. With Emma Kennedy.

There's a new episode on Friday at 11pm

12.20am Superbat
The attempts of scientists to discover how bats fly, defying all laws of aeronautics

1.10 Superfly
Specialist photography and computer graphics take us on an astonishing journey through the fly's world

2.10 as 9pm

3.10-4.00am as 12.20am