Behavior

Humans have a history of status division stretching back at least 4,000 years

Algorithms are already used to remove online hate speech. Now scientists have taught an AI to respond—which they hope might spark more discourse. Christopher Intagliata reports.

Fear is a hardwired response, but it doesn’t have to rule our emotions

Experts from the fields of human and animal affective neuroscience discuss their own definitions of fear and how we should study it

Let’s treat people based on who they are rather than on the form of their genitals

A new study suggests a dose of “acting extroverted” could boost your mood—but some researchers caution there is a cost to acting against type

An animal study brings us closer to understanding our own behavior

Unpublished excerpts from a 2000 interview capture one of the most controversial figures in modern science

Let’s treat people based on who they are rather than on the form of their genitals

Your zip code no longer needs to determine the quality of care you receive

A little perfectionism can get you a long way, but too much holds you back like a 300-pound bouncer trying to break up a bar fight

Here’s how I lost—and also won