Phlegm color can indicate underlying health issues. Clear or white may signal allergies or viral infections. Yellow or green suggests bacterial infection, needing prompt antibiotic treatment. Red ...

The color wheel was first developed by English mathematician and physicist Sir Isaac Newton, who discovered that white light (what we perceive as colorless daylight) is composed of a spectrum of ...

Sedona is known for its red rocks and natural beauty. To keep it that way, the city has banned certain colors from being shown. Here's why.

Forbes contributors publish independent expert analyses and insights. Pam Danziger reports on retail, focused on the luxury consumer market. This article is more than 4 years old. "If you want to ...

DEAR DR. ROACH: The other day when we were changing our bedsheets, my husband asked me if I knew why the sheets and pillowcases on his side of the bed were stained yellow and the ones on my side weren ...

What color are tennis balls? That may sound like an easy question to answer, but to the shock of many, there seems to be a divide of two camps on social media as to whether it's green or yellow. On ...

"In cooler light — both natural or artificial — chartreuse will feel zestier, with the green notes amplified by the crisp ...

The color of your snot can tell you about your health. Clear is normal, yellow or green may show infection, white can mean congestion, and red, brown, or black may need attention. Watching mucus helps ...