People have a lot of opinions about the "big light". It's generally what you'd describe as your ceiling or overhead light, and it's the ambient lighting for a lot of rooms. But why is it so divisive?

Improving lighting in the operating room could cut the duration of some surgeries by as much as 25%, according to Dr. Munish Gupta, an orthopedic spine surgeon at Washington University in St. Louis.

Research presented at the 2011 annual meeting of the American Society of Anesthesiologists found that overly dark operating rooms should “go green” by bathing the room in dim green light, according to ...

If you’re considering updating the lighting in your home to a more cost-effective and energy-efficient option, you might be wondering what to look for in a new ceiling light. While the market is ...