HealthHead transplant mavericks must be scrutinised, not ignoredWhether or not you believe neurosurgeon Sergio Canavero and his claims about head transplants, journalism has a democratic duty to hold public figures up to the lightLeader
LifeThe ethics issue: Should we let synthetic life forms loose? New forms of life could help tackle problems from famine to global warming, but releasing them into the wild raises biosafety concerns Features