CHINA GROVE — Following a complaint made to the North Carolina Highway Patrol, the China Grove Fire Department is no longer using blue lights on the back of its vehicles. The complaint was made ...

Those blue lights above traffic signals aren’t decorative. Here’s what they’re for and why more cities are installing them. Blue confirmation lights help police spot and enforce red-light violations ...

Blue lights on skin make it harder to see surface veins. As the “War on Drugs” declared by former President Nixon in the 1970s staggers on, science and governments look for novel ways to combat drug ...