During a cool fall sunset in North Dakota, forklifts buzz around the base of a flatbed trailer, loading pallets. Their cargo, multicolored boxes that look like filing cabinets, buzzes, too. Each box ...

Africanized honey bees, often referred to as "killer bees," are now found in 13 states and are slowly spreading northward, attacking people, livestock and pets along the way. Scientists say the bees' ...