Inside a comatose mindNew research raises the unsettling possibility that some vegetative patients may actually be awake and aware
Rewinding the biological clockStem cells may hold the key to a radical advance in infertility treatment
Building a better humanScientists are already able to replace many worn-out or missing body parts with new ones. But two-thirds of a person?
How unbundled cable could save Canadian televisionJesse Brown on the Conservative government’s "pick and pay" pledge
Google’s Ray Kurzweil on the quest to live foreverHow nanobots will help the immune system, and why we’ll be much smarter, thanks to machines
Using a heartbeat as a sort of passwordImplanted medical devices are so common that, in the future, devices will be vulnerable to hackers