Some suggest to shift the fluid around in your eyes by looking up and down, while supplements can help maintain general eye ...

On a clear, sunny day, the sky above us often glows a brilliant blue, a sight so commonplace ... The answer lies in the angle of the Sun and the distance its light travels through the atmosphere.

A region with year-round sun, sky-blue waters and luxury resorts sounds ideal. When listing these features, travellers might think of the Maldives, the Caribbean or Egypt’s stunning sites.

the sun still casts the Earth's shadow on the lunar surface. The process that produces the red or orangish glow is the same that makes our sky blue and our sunsets red, according to NASA.