HealthHow 'stem cell' clinics became a Wild West for dodgy treatmentsHundreds of clinics offering unregulated stem cell therapies have sprung up across the US and Australia thanks to lax oversightInsight
TechnologyLetting robots kill without human supervision could save lives Calls to ban killer robots ignore the fact that human soldiers can make lethal mistakes. If driverless cars will save lives, perhaps armed machines can as well Insight