Is There A Sixth Sense
Pheromones pervade the animal world. They’re pollen-like chemicals that, when emitted by one creature, have some effect on other members of the same species. And as the Dutch psychologist Piet Vroon makes clear in his recent book ““Smell: The Secret Seducer’’ (226 pages. Farrar, Straus. $23), they can pack a wallop. The pheromones produced by queen bees stall sexual development in other females (who then become workers). Male mice use pheromones to promote the sexual development of nearby females–and, when it’s convenient, to induce abortions....