handedness
Some molecules - thalidomide, for example - come in both left and right handed versions, while others are indistinguishable from their reflections. Plus finds out about the role of mathematical symmetry in chemistry.
Gavin Harper is a mathematician working right at the heart of genetics
(24/03/2010)
A Galileo of number theory
(16/03/2010)
The state of the Arctic
(03/03/2010)
How do you know a drug works? Should it be free on the NHS?
Plus podcast 22, February 2010: Evaluating a medical treatment