crossing
Knots crop up all over the place, from tying a shoelace to molecular structure, but they are also elegant mathematical objects. Colin Adams asks when is a molecule knot a molecule? and what happens if you try to build a knot out of sticks?
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