Chemically, the patina that forms on copper is the result of oxidation and exposure to the elements, gradually transforming the metal from bright, reflective orange to a matte blue-green surface. That ...

This article may contain affiliate links that Yahoo and/or the publisher may receive a commission from if you buy a product or service through those links. Because of its popularity, it’s no surprise ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. For the past few weeks, we’ve been tackling queries on the theme of “blue.” What ...

Like many people, Amy Morin, a psychotherapist and author of “13 Things Mentally Strong People Don’t Do,” loves to be surrounded by the color blue. So much so, in fact, that she lives on a sailboat in ...

Whether it’s the ultramarine of an Yves Klein masterpiece or the faded chambray of a shirt worn soft over decades, blue sets a certain tone. A moody navy can provide a dose of quiet luxury, while a ...

The color has an unshakable hold on musicians, artists and writers. The background color is inspired by International Klein Blue, a hue that the artist Yves Klein first mixed in the 1950s, using it to ...

First there was “the dress,” then there was the sneakers, now there’s a debate over the color blue. If you’ve ever argued with a friend over whether something is blue or green, you’re not alone. A new ...

They say the eyes are "the window to the soul" and there's certainly much to be told about the enigmatic complexity of their varied colors. Dr. Rupa Wong, a board-certified ophthalmologist who owns ...

Gourmands are well aware of the many varieties of blue cheese, known by the blue-green veins that ripple through the cheese. Different kinds of blue cheese have distinctive flavor profiles: they can ...