The device meant to stop oil leaking from a Gulf of Mexico well after last month's rig explosion was faulty, US Congressional investigators have said. The blowout preventer (BOP), a set of huge valves, had a hydraulic leak and a failed battery, they said after studying documents from BP and others.Oil industry chiefs say it is too early to conclude what caused the disaster.




Many who think they have food allergies actually do not. A new report, commissioned by the federal government, finds the field is rife with poorly done studies, misdiagnoses and tests that can give misleading results.
The Afghan National Army, a pillar of the U.S. strategy for stabilizing Afghanistan and withdrawing U.S. troops next year, is riddled with corruption, ethnic friction and rivalries among its highest leaders that are hampering its ability to fight the Taliban-led insurgency, according to a new study.





























