Authorities in Hong Kong put on a show Wednesday to celebrate the 18th anniversary of the territory's return to Chinese rule. But tens of thousands of people took the opportunity to stage a rally calling for more democracy. Students were prominent among the protestors, just as they were a year ago at the start of what became known as the Umbrella Revolution. We look at some of the reasons the young generation is so politically active.

A new networking system is improving medical treatment in Japan by helping doctors share their knowledge and expertise. The mobile-based app called JOIN has been developed to address some of the challenges facing the medical field as demand increases for its services.