In this Smithsonian Tropical Research Institute article, Callum Kingwell is researching the sociality of bees and the use of pheromones. "While monitoring the bees from their earliest developmental stages until they reproduce, Callum has observed higher pheromone levels in bees that successfully recruit a worker and become queens, than in bees that fail to do so and become solitary. Pheromone levels seem to be a way of signaling fertility potential."
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