In another, they used a telephoto lens to take pictures of a set of keys on a cafe table from the roof of a university building.

Through the lens of evolution then, a belief in God serves a very important purpose: Religious belief set us on the path to modern life by stopping cheaters and promoting the social good.

This works best with a compact set on a tripod; simply hold a removed lens from the sunglasses' frame as close to the front of your camera lens as possible.