Only 3 countries have never stopped transmission of polio: Pakistan, Afghanistan and Nigeria, largely because conflicts and cultural opposition thwart vaccination efforts. A common perception in Pakistan is that polio vaccination teams face difficulties only in tribal or rural areas, but there are equally big challenges in the country's cities, such as Lahore, the country's second most populous city. More in this report from Saman Khan in Lahore. VOA's Bezhan Hamdard narrates.
Environmentalists and volunteers in the Philippines pedaled bikes Sunday to call attention to the impact of plastic bottles on the environment. The bike ride came after green activists collected trash Saturday along the coast at a nearby bird sanctuary. The cleanup and bike ride come ahead of World Environment Day on June 5. Arash Arabasadi reports.
Every year more than 15 million people worldwide suffer injuries and illnesses that leave them unable to walk according to the World Health Organization. But new technological advances and physical therapy could help some of them walk again. Among the most promising - is the use of robotic exoskeletons. As Erika Celeste reports, scientists at the University of Notre Dame are leading the way with their work on wearable robots that allow patients to regain some or all of their mobility.