In addition to being royalty's chosen color in ancient times, purple has long been associated with mystery and imagination. Since it's relatively rare in nature, it's also a nice source of novelty in ...

Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, People’s Republic of China ...

Some motorists have taken notice of street lights giving off a purple glow, and not just one or two here and there, either. It's not unheard of to spot dozens of purple street lights in a similar ...

Good morning, and welcome to the Essential California newsletter. Here’s what you need to know to start your weekend: More than half of cannabis smoking products in California’s legal market ...