Opposites attract is a law of attraction, at least where electromagnetism is concerned. But are there laws about attraction between two people? In a world that is full of strangers as a line in a famous song of the 1980’s goes, is there a clear set of rules that allows two people to fall for each other?

Is attraction a matter of chemistry?  Maybe. According to scientists, the attraction between animals of the opposite sex is all about chemicals called pheromones. The effect of pheromones in behavior of insects is the most studied to date. It has been observed, at least in some experiments, that pheromones are responsible for communication among same species and colony of ants. The horrible odor released by skunks to ward off enemies is said to be a kind of pheromone. Some species of apes rub pheromone-containing urine on the feet of potential mates to attract them. Some scientists believe that animals (usually the females) such as insects and mammals send out these chemical signals to tell the male of their species that their genes are different from theirs. This gene diversity is important in producing offspring with better chances of survival. The perfume industry has capitalized on pheromones as a means to increase one’s sexual attractiveness to the opposite sex. Animals such as the whale and the musk deer were hunted down for these chemicals.