Defect-engineered zinc oxide converts tiny reversible strains into near-infrared light, opening a rare-earth-free path to ...

A new paper looks at how stress affects children's development, and how parents can help protect kids from harm.

It’s National Stress Awareness Month, which means it’s a good time to sign up for CNN’s Stress, But Less newsletter. Our six-part mindfulness guide will inspire you to reduce stress while learning how ...

Doctors have long known stress is bad for the body, but a new study backs it up. It says work-related strain can put people at risk for atrial fibrillation — an irregular, rapid heart rhythm that ...

Our eyes work continuously throughout the day, whether it is scrolling through phones, working on laptops, driving, reading ...