Biological warfare experts say that terrorists attempting to create biological weapons today would face many technical challenges but the spread of advanced genetic engineering techniques is slowly removing these barriers.
U.S. federal officials, increasingly concerned that terrorists will attack U.S. commercial aircraft with shoulder-fired missiles, are developing plans to thwart such strikes with measures that range from sophisticated anti-missile technology to simple changes in takeoff schedules.
U.S. nuclear power plants would survive a direct hit by a fully fueled passenger airliner piloted by suicide hijackers bent on repeating the catastrophic attacks of Sept. 11, 2001, according to a new scientific study by a utility industry research group.