Ian Woolf speaks to Fred Rodrigues with his power tools orchestra at Dorkbot Sydney,

Lachlan Whatmore brings us part 2 of the evolution of the horse,

News by Victoria Bond

• Dogs can't help imitating people

• Social networks help you live longer

• are people most attracted to those that look like themselves?

Presented by Lachlan Whatmore,

Produced by Ian Woolf with technical support from Victoria Bond