We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a brain region central to aggression, testosterone rarely causes peacefully ...

There are six different species of baboons. Scientists have found that certain species of baboons are more aggressive than others. However, when push comes to shove, every species of baboon can be ...

When it comes to stress for baboons and people it's all about hierarchy. Sept. 22, 2008 — -- Baboons are aggressive, mean-spirited and wild. And when it comes to stress, apparently they are just ...