High levels of toxic contaminants have been recorded in several Arctic regions. But the full health effects of exposure to these chemicals are only just emerging. Meet the scientists studying …

Call for Canadian infection Control Reforms  Six months after the severe acute respiratory syndrome (SARS) outbreak in Toronto that killed 44 people, Canadian medical officials face calls from experts for …

With Russia’s HIV infection epidemic now thought to be exploding faster than anywhere else in the world, the hunt for clues about the epidemic’s causes, and how to curb it, …