Add Yahoo as a preferred source to see more of our stories on Google. You prepared thoroughly for a presentation at work, and now you’re dropping wisdom to a packed room. Much as you expected, your ...

Facial expressions arise from brain networks that encode slow, context-rich meaning and fast muscle control on different time scales, keeping smiles and threats socially precise.

Furrowed brow. Squinting eyes. Frowning mouth. Most of us subconsciously make a face when we're intensely concentrating on a task, whether it's lifting a weight in the gym or catching up on emails.

Understanding facial expressions is key to decoding human emotions and intentions, especially when identifying untrustworthy individuals. Facial cues often reveal underlying feelings not expressed ...

Posts from this author will be added to your daily email digest and your homepage feed. is a senior tech and policy editor focused on online platforms and free expression. Adi has covered virtual and ...

Photo-Illustration by Chloe Dowling for TIME (Source Images: Klaus Vedfelt—Getty Images, Tim Robberts—Getty Images, Kelvin Murray—Getty Images, Robert Recker—Getty Images, Howard Kingsnorth—Getty ...