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, ...

The color turquoise is vibrant and full of life, and while it certainly makes an impact on its own, you may be looking to utilize it alongside another color (or two) in your home for even more flair.

You're by the water's edge, observing a turquoise lagoon, then a little further away, you see an almost black sea at the foot of a cliff. Why does the ocean take on such different hues, from deep dark ...