Discover what human tears reveal under the microscope and the incredible details they hold.

During a period of personal change, Los Angeles-based photographer Rose-Lynn Fisherfound herself wondering whether tears of joy and tears of sadness were the same. The query sparked a creative project ...

Tears seem simple, but the tiny glands that produce them are among the least understood organs in the human body. By growing miniature human tear glands in the lab and coaxing them to “cry,” ...