Last April, a volcanic eruption in Iceland sent a cloud of ash billowing toward Europe. That ash was potentially hazardous for aircraft, and authorities decided to ground all flights — inconveniencing tens of thousands of travelers — rather than risk an accident. A new study suggests that this was the right decision.
Susan Stipp, a professor of nanotechnology at the University of Copenhagen, was one of the people whose plans were frustrated by the volcanic cloud. She had colleagues who needed to get home to Denmark, and samples were delayed en route from Scotland.
After nine years and more than $500 million in U.S taxpayers' funds, and another $700 million or so from other nations, Afghanistan's Ministry of Interior "cannot determine the actual number of personnel that work" for the country's National Police, the U.S. Office of the Special Inspector General for Afghanistan Restruction reported today.