Researchers at Harvard University have developed a lithography technique that uses an array of microscopic lenses to shrink patterns more than 1000 times and repeat them across a surface. The ...

The best eye masks of 2025 are by Grace & Stella, Shiseido and Dieux. (Amazon; Sephora) I’ll never forget the first time I got contact lenses, not only because I could finally see without glasses, but ...

This article is a part of CNN Underscored’s Guide to Age-Defying Beauty, a weeklong focus on the essential products, tips and tricks to enhance your glow at any age. We’ll be featuring editor-tested ...