"Honeybees Show Evidence of Insecticide"

"More than 70 percent of pollen and honey samples collected from foraging bees in Massachusetts contained neonicotinoids, a type of insecticide that has been linked to colony collapse disorder, researchers are reporting. The disorder causes adult bees to abandon their hives in winter."

Sindya N. Bhanoo reports for the New York Times July 23, 2015.