On today’s program we'll learn how a new device that was recently implanted into a young quadriplegic man allowed him to move his paralyzed hands and fingers by using only his thoughts.  We'll talk with one of the lead researchers of project that led to the development of this device. And… Throughout the world non-native species, such as plants, animals and insects cost an estimated $1.4 trillion in damage every year.  Today we'll hear how U-S scientists are trying to control invasive insect species, by pitting these insects against each another. U.S. scientists, experimenting with a harmless virus have created what they describe as a "biological" pacemaker to keep the human heart beating normally. Researchers, studying the teeth of our pre-historic ancestors in Africa, have learned they not only used plants for food, but also as medicine. We’ll tell you about a new United Nations report that warns our privacy is being threatened by digital surveillance.   Today on our Science World Quick Quiz we mark the 45th Anniversary of the first moon landing. These stories and more are coming up for you on VOA's science, health and technology magazine, "Science World."