Love, of course, is what makes the world go round, but what makes love go round? To aesthetes, such a question is imponderable. To scientists, it is not only ponderable but increasingly open to scrutiny-the more so now that Zoe Donaldson and her colleagues at Emory University in Atlanta, Georgia, have succeeded in creating a new kind of transgenic prairie vole. For, unlikely as it might seem, these tiny rodents could be the key to understanding bonding, trust and even decision-making in humans.
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