How changes in lemur brains made some mean girls nice
If there was a contest for biggest female bullies of the animal world, lemurs would be near the top of the list. It's the ladies who get their way and keep males in line. In one branch of the lemur family tree, however, some species have evolved to have more harmonious relationships. New findings suggest that this amiable shift was driven by changes in the 'love hormone' oxytocin inside their brains.
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If there was a contest for biggest female bullies of the animal world, lemurs would be near the top of the list. It's the ladies who get their way and keep males in line. In one branch of the lemur family tree, however, some species have evolved to have more harmonious relationships. New findings suggest that this amiable shift was driven by changes in the 'love hormone' oxytocin inside their brains.
