The way someone walks, talks, smiles, or gestures gives a clue to who they are. Whether through the flick of an eyebrow, the rhythm of our walk, or the tilt of a head, movement speaks volumes.

“Free speech for me, but not for thee” is an all-too-familiar impulse in politics. But the point of the principle of free ...

In a recent study published in the journal Informatics, researchers investigated the use of advanced machine learning methods to recognize facial expressions as indicators of health deterioration in ...

Views Editor Denise Perez argues free speech must be protected, even for offensive opinions. Otherwise, it risks becoming a ...