When it comes to cool colors such as blue and green, there are various reasons why they work well together. They are both ...

Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky? The answers are a little complicated, but they involve the nature ...

Hydrogen is a colorless gas. But if you’ve done any reading about the future of energy, you’ve likely seen it identified by a number of different colors—ranging from turquoise and aqua to green, ...

Chromhidrosis is a rare chronic condition that causes sweat to have a color — possibly black, blue, green, yellow, or brown. In this article, learn more about what chromhidrosis is, what causes it, ...

MULHOUSE, France (Reuters) - Bees at a cluster of apiaries in northeastern France have been producing honey in mysterious shades of blue and green, alarming their keepers who now believe residue from ...