To help improve the physical and mental health of their workers, more and more businesses are exploring alternative methods ...

The point is that we generally consider light to be good, safe, even comforting. Yet when it comes to our skin, things are a ...

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...