Social experience drives empathetic, pro-social behavior in rats

Empathy-driven behavior has been observed in rats who will free trapped companions from restrainers. This behavior also extends toward strangers, but requires prior, positive social interactions with the type (strain) of ...

Robosquirrels versus rattlesnakes

Robot squirrels from the University of California, Davis, are going into rattlesnake country near San Jose, continuing a research project on the interaction between squirrels and rattlesnakes.

Cracking chimpanzee culture

Chimpanzees don't automatically know what to do when they come across nuts and stones. Researchers at the University of Zurich have now used field experiments to show that chimpanzees thus do not simply invent nut cracking ...

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