How Can I Know Anything at All?

A history of ideas. Presented by Melvyn Bragg but told in many voices. Each week Melvyn is joined by four guests with different backgrounds to discuss a really big question. This week he's asking 'How can I know anything at all?' Helping him answer it are physicist Tara Shears, lawyer Harry Potter, philosopher Clare Carlisle and neuropsychologist Paul Broks. For the rest of the week Tara, Harry, Clare and Paul will take us further into the history of this idea with programmes of their own. ...