Students are using ChatGPT more than ever — and ChatGPT knows it. Last week, OpenAI launched "study mode" in its chatbot, aimed directly at the student market. It's meant to behave more like a tutor ...

People exercise at sunrise along the waterfront in St. Petersburg, Fla., on August 29, 2025. You’ve probably heard this one a few times before: Research suggests that exercise is linked to a longer ...

Sign up for CNN’s Stress, But Less newsletter. Our six-part mindfulness guide will inform and inspire you to reduce stress while learning how to harness it. The ...

Research suggests you can learn a surprising amount about someone's emotional state just by paying attention to how quickly ...

A study in pre-print shows that doing fewer reps at higher volume weight can yield muscle gains. The findings suggests that even just doing two to three sets could see muscle growth. Here's what that ...

Americans differ over what their ideal community looks like. But wherever they live, most have neighbors, whether they’re sharing a wall in an apartment building or living several miles down the road.

As someone who writes about the AI industry relatively frequently for this site, there is one question that I find myself constantly asking and being asked in turn, in some form or another: What do ...

Time to start logging more minutes on the treadmill — think marathon distances. New research out Tuesday reimagines the rules ...