Germany is slowly destroying 20,000 bunkers along World War II's Siegfried Line, declaring them a safety hazard -- not to mention a bitter vestige of the past.
Modern human life relies on a stable internet connection. But threats to internet connectivity are varied — from underseas rock slides and technical errors to war and geopolitical conflict.
China's president is in Europe for the first time in five years, at a point when Sino-European relations are particularly frosty. Will a Beijing charm offensive turn things around?
Some doctors are promoting propellant-free inhalers over puff inhalers that emit greenhouse gases. Climate change can exacerbate respiratory ills because of more fires, air pollution and allergens.