Second Live special edition of Diffusion!

Ian Woolf reports on Cute Science, Beard beer, Alpha Centauri B's planet and HIV milk - with comments from Julie-Anne Popple and Arwen Cross.

Julie-Anne Popple speaks with Chris Reid, a biologist from the University of Sydney, about the memory of slime moulds.

Presented by Julie-Anne Popple,

Produced by Ian Woolf