Human history is marked by war, conflict, and violence. From ancient tribal battles to modern political tensions, aggression has shaped our species. It is not confined to warfare; it appears in sports ...

We have all heard the stereotype. “Psychopaths” are crazy axe murderers without conscience. Yet most people appreciate that there is far more to the analysis regarding the types of individuals who are ...

Like humans, mice will compete over territory and mates, and show increased confidence in their fighting skills the more they win. At first, a brain chemical called dopamine is essential for young ...