Researchers have developed the first scientifically validated "personality test" framework for popular AI chatbots, and have ...

A new dating app called Cosmic wants to shake up the market by not charging for basic features like seeing who likes you or undoing your last swipe, while also making it easier for users to build ...

In our search for self-knowledge, we’ve all likely taken one (or several) personality tests. The goal is to gain insights about ourselves—why we are the way we are. But are these tests any good? Do ...

In ancient Greece, the physician Hippocrates is said to have theorized that the ratio of four bodily fluids—blood, yellow bile, black bile, and phlegm—dictated a person’s distinct temperament. The ...