Member countries of the North Atlantic Treaty Organization face an uncertain security environment as they prepare for July's summit in Brussels. Among the challenges facing the 29 member countries: rising tensions with Russia, which has long opposed NATO expanding its membership in Eastern Europe. Ahead of the July 11th summit, four countries have declared their intent to join the alliance. VOA's Jane Bojadzievski has more.
Birds and airplanes share the sky, so inevitably collisions occur. But airport authorities try to limit those encounters because bird strikes cause costly damage to jet engines and can lead to crashes. Some airports employ trained dogs, others use loud noises to frighten birds away. A company in the Netherlands says its robotic predator Robird is much more efficient. VOA's George Putic has more.