Stories about: aggressive  

The officer claims he first tried to use a stick and a plastic chair to defend himself

Terry Furlotte was attacked and chased down the street by the mad animal

Two hives of about 75,000 Africanized honey bees attacked the 71-year-old woman

Fruit flies show it

A brain difference

Some facts

A hormone seems to be the main cause

Common chimps and bonobos

Boys - very vulnerable to the effects of shyness

Are you more or less aggressive when drunk?

Winter aggressiveness in male mice, due to estrogen

Noooo....