Many dog and cat owners think they know what how their animals are feeling. While that may be true, an animal collar or jacket, equipped with sensors, could give them even more information about the emotional state of their pet. The sensors provide data on things like body temperature and heart rate. VOA’s Deborah Block has more.
Unmanned aerial vehicles, better known as drones, have become a staple of everyday life. As more take to the air, the issue of how to avoid collisions between drones and aircraft, and other drones, is becoming a serious problem. As VOA's George Putic reports, scientists are working on solutions.