In the natural world -- where predators pounce, prey flee, and group members feed and sleep in solidarity -- animal behavior is glorious in its variety. Now, new research suggests there may be an ...

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Gut bacteria create smells that influence behavior, shaping aggression and social hierarchy through the brain.

We project a great deal onto animals. They are elevated into ideals of love and fidelity (dogs, horses), and often they are reduced to objects and tools (cattle, pigs, horses again). Much of ...

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Antidepressants don’t just affect human libidos. New research shows that female starlings fed food spiked with the antidepressant fluxoxetine (Prozac), were less “attractive” to males and so less ...