An international team of researchers has identified pheromones that are specific to queen wasps, bumblebees and desert ants that keep workers sterile while in their presence. View original – Observatory: A Queen Bee’s Secret, Pinpointed ; ;Related ArticlesClimate Aids in Study Face Big Obstacles3 Campers Linked to Fire Are Arrested in CaliforniaTexas Company, Alone in U.S., Cashes In on Nuclear Waste ;
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