Grow-Slow Potion: Pheromone keeps bee youngsters youthful

After more than 10 years of searching, researchers have identified a compound produced by the senior workers in a honeybee colony that prolongs the time that teenage bees stay home babysitting.

FEEDING CIRCLE. Several honeybees touch mouthparts in typical food sharing, possibly passing along chemical signals, such as a pheromone that guides the division of labor.