Have you ever wondered why, when plunged into complete darkness, your eyes seem to conjure up swirling patterns, flashes, or ...

The title of this article is a bit misleading: no animals can actually see in complete darkness. Animals with so-called “night vision” take a small amount of light and maximize it through evolutionary ...

In a later study at the University of Veterinary Medicine in Vienna, dogs exposed to a fear scent showed signs of hesitation ...