Understanding how rodents feel and communicate emotions can shed light on the evolutionary origin and mechanisms of human empathy. With that goal, researchers at the Italian Institute of Technology in ...

If gut bacteria can sway their hosts to be selfless, it could answer a riddle that goes back to Darwin. Now researchers are beginning to explore whether parasitic manipulations may spur host behaviors ...

It’s generally a fool’s errand to try putting human labels on animal behavior, but it can be possible to define how “good” animals are in terms of their capacity to act selflessly to help others. This ...