TechnologyCircuit design evolving in distributed digital world A digital simulation of natural selection, taking place in scores of internet-linked personal computers, is evolving superior circuits ¿ìè¶ÌÊÓÆµ
PhysicsSwonderful, smarvellous It's the theory that physicists love to love. The trouble is, says Graham Farmelo, we still don't have the faintest idea whether it's right Books & Arts