The Blue Grotto (or Grotta Azzurra) is the most famous site on Capri, and it's easy to see why. The grotto is a natural sea cave with a small entrance, and it is illuminated in a blue and silver ...

Measurements with the scanner confirmed that it is indeed the world’s largest underground thermal lake, revealing it to be ...

Sustained blue light exposure from electronic devices and digital screens is not kind on your overall health, and has been linked to eye strain, macular degeneration and poor sleep quality.