ScienceBardarbunga volcano in Iceland continues to rumble, residents evacuated The eruption of Iceland's Eyjafjallajökull four years ago disrupted flights across Europe. The same incident is feared to happen again with the looming eruption of another large under-ice volcano, Bardarbunga.by Rhodi Lee
ScienceCalifornia irrigation putting stress on San Andreas Fault, increasing risk of earthquakesby James Maynard