Jamie McCarthy writes "In 1918, Gunnery Sergeant Daniel Daly inspired his weary men to attack by yelling, 'come on, you sons of bitches, do you want to live forever?' But how would the world change if we could? This month's Technology Review introduces us to the computer scientist, and self-taught biologist, Aubrey de Grey, who thinks immortality could be within our grasp by 2030. Thinking like an engineer, he's broken aging down into seven specific problems, like cell atrophy and mitochondrial mutation, which he believes can all, in principle, be solved. And he has good reason to think those seven are the only 'bugs' standing in the way of a thousand-year lifespan. De Grey is clearly both a genius and a little nuts, but I'm not sure in what proportion..."