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Animal attraction
Pheromones clearly act as sexual attractants in the animal world. Older male elephants, for example, exude sexual prowess with a mix of chemicals the younger bulls can't muster.
Milos Novotny of the Institute of Pheromone Research at Indiana University has shown that special molecules produced by male mice can simultaneously attract females and repel, and even anger, rival males. Other studies have found similar responses throughout the animal kingdom.
动物间的吸引
信息素在动物世界里是种致命吸引物。比如，年长的公象就会分泌一种混合了多种化学物质的汗液，这是年轻的公象可望不可即的。
印第安那大学信息素研究所的Milos Novotny发现，雄性老鼠分泌的一种特殊的物质可以马上吸引雌性，同事击退、甚至激怒其他的雄性。其他的研究也发现，在整个动物界中都存在这类似的现象。
