Earthquakes, volcanic eruptions and heavy rains can cause large amounts of rock and soil to collapse under their own weight and tumble down a slope. These landslides can crush everything in their path. Aided by sophisticated satellites, scientists are creating a comprehensive catalogue of landslide-prone areas, hoping it will help affected communities predict when and where they might happen. VOA’s George Putic has more.
Diabetics who use insulin to control their blood sugars can sometimes end up with very low readings that, if left untreated, can lead to death. While modern blood sugar monitoring systems can warn patients when their blood sugar levels are dangerously low, there is another, more "user-friendly" way to do the same thing. Shelley Schlender reports.