Imagine the world’s oceans with their beautiful blue color. Now, imagine that the same oceans were green. This is the intriguing possibility suggested by new research from Nagoya University in Japan.

It so happens that blue light is scattered more because it travels in shorter wavelengths, and as a result, we perceive the sky as having a blue color. By contrast, red and orange light travel in ...

“At-home LED devices, particularly those that combine red and blue light, are efficacious for acne and can likely complement other over-the-counter and prescription treatments,” they wrot ...