Have you ever wondered what gives McDonald's iconic Shamrock Shake that distinct green color? You may not be surprised by the ...

Aquaman #2 teases the introduction of The Blue, a mystical force tying all water in the DC Universe. The Blue parallels ...

Artificial blue light from devices and screens is not kind on your eyes or your overall health. Here are the best blue light ...

Hikers in New Zealand risk polluting the “clearest lake in the world” with a microscopic alga carried on their boots.