Lenticular lenses are a type of lens used to make eyeglasses. They’re rarely used, but they can be of great benefit when you need them. Eyeglass manufacturers produce these lenses to correct severe ...

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." You’re most likely ...

When I first saw this photo sent to click2pins.com by Spangler417 from Rosenberg, I had to do a double-take. Not because it looks like a flying saucer (though it totally does), but because spotting a ...

A lenticular cloud is a lens-shaped cloud that normally develops on the downwind side of a mountain or mountain range. This occurs when stable, moist air flows over a mountain, creating a series of ...