The kindergarten’s cooks used inedible pigments to decorate buns and cakes, the authorities said. Eight school officials and employees were detained.

At-home red light therapy devices like LED face masks seem to be everywhere. We tapped dermatologists to explain whether they're truly worth your time and money.

The red light works to reduce fine lines and wrinkles, boost collagen and elastin, reduce redness, and boost your mood. It ...

A novel red LED using Eu-doped GaN is a promising component for next-generation micro-LED display with ultrasmall-size, full-color, and high-resolution. The LED exhibits narrow-band red emission and ...