I measured my stress levels while working with blue light glasses - and was surprised by the results ...

While a healthy amount of natural blue light helps you feel alert and awake, too much exposure from modern tech can cause eye fatigue and disrupt natural sleeping patterns—which is where blue ...

Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...

If you've ever wondered how traffic lights work and how they can detect your car, you've probably also been curious about those small blue lights mounted above the signals themselves. These blue ...

Worcester residents may notice there's now something different on top of police cruisers in the city: Steady blue lights instead of flashing ones. The Worcester Police Department on Sunday started a ...