Researchers at the Carnegie Mellon University have developed a new type of lens that can keep all parts of a scene in focus.

A simple light-based method is uncovering hidden fiber networks inside the brain and body, even in tissue slides over 100 years old.

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. This past year, I've tested many ...