Birds-of-paradise are even colorful in the dark, with feathers and body parts that glow a brilliant yellow-green under ...

It was a doctor, originally from Russia, who founded Kerato, the first practice of its kind in the U.S. that specializes in ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Cataracts, dry eyes, glaucoma and other eye problems become more common with age. But these can be treated — and sometimes ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) ...

This is a result of dryness. However, if a person cannot look at light without squinting or closing the eyes, they may have iritis, or inflammation of the colored part of the eye. Surgery is not ...

Have a small space that you want to soar? Paint is the best trick for making the four walls of your room seem to expand outwards, and these 12 designer-approved colors will make any room look bigger.

Biossance packs a whole lot in one tiny green jar. Its Squalane and Marine Algae Firming and Lifting Eye Cream is a powerful ...

Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in ...

navigating murky waters and detecting prey movements under minimal light conditions. Their vision is attuned to the wavelengths prevalent during dusk and dawn, making them formidable predators during ...

Researchers from London's Moorfields Eye Hospital, biotech firm MeiraGTx and University College London have demonstrated that ...

If you haven’t guessed by now, this ever-evolving shade that’s trendier and more wearable than ever is baby blue: cornflower, ...