Science World - Human Influence on Ecosystems

Dr. Marco Musiani from the University of Calgary in Alberta, Canada says humans are having a greater impact on ecosystems than what was long thought. Kepler Spacecraft, NASA’s planet finder is on the fritz. What options are available to women facing a breast cancer risk? A human powered helicopter? Retired U.S. Navy Admiral James Stavridis thinks cyber threats are more of a concern than terrorism or nuclear war. Researchers have developed an inexpensive scanning device that quickly and accurately diagnoses brain injury. Science World Quick Quiz too!