Add Yahoo as a preferred source to see more of our stories on Google. A solution of methylene blue in an erlenmeyer flask. The trending dye was invented by German chemist Heinrich Caro in 1876.

It seems as if every single day, there's some new miracle ingredient guaranteeing flawless, glass skin. Whether topical or an ingredient to boost your smoothie, there's an endless amount of skincare ...

A new therapy is showing promise for the treatment of mental illness and neurodegenerative disorders. This treatment, which consists of a blue dye and red light, may improve disorders ranging from ...

New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. The mysterious smurf-blue supplement that is ...

Kevin Abar, assistant special agent in charge of Homeland Security Investigations in New Mexico, says distributors are selling methamphetamine tinted blue in the Four Corners region. That mirrors ...