Body shape, color and behavior often evolve together as species adapt to their environment. Researchers from Lund University in Sweden have studied this phenomenon in a specific type of large, bright ...

New research from the University of Lincoln, UK, is challenging a common assumption about the evolutionary origins of human violence, suggesting that everyday aggression does not inevitably lead to ...

Conflict is ubiquitous in the animal kingdom. In some cases it results in direct violence, injuries, and death. But in many examples conflicts are resolved through posturing, displays, and trials of ...

Sex differences predetermine, on a genetic level, the differences in aggressive behavior [Wilson, Herrnstein, 1985]. It’s specific for women to use verbal aggression in intrasexual competition between ...

Beyond this—unless our passive-aggression is a lot more passive than aggressive—we manipulate. Oh, how we manipulate! Like con-artists in training, we look for all the possible ways to address our ...