Biofuel-cell-powered cockroaches? Yes, reports NWSA board member John Roach in a Future of Tech post for msnbc.com. We need them if we want to use insects as environmental toxin detectors or nanospies. Aptly named, John is a science writer cockroach himself—meaning dangerously adaptable. Check out his writing on everything from dark matter to solving a beer mystery. Photo: wmjas.