What causes some individuals to act out violently when provoked, while others turn the other cheek? For decades, psychologists, criminologists, and sociologists (among others) have tried to understand ...

A group of researchers made gene-edited hamsters that were meant to be less aggressive. The researchers used CRISPR, a gene-editing platform, to remove a gene they believed was responsible for ...

Toxic masculinity is a major societal concern. It is said that testosterone from the testes makes men overly aggressive. But the biology of hormones and aggression is not that simple. A symposium ...