If you think about it, you can’t be sure that what you see for the color red, for example, is what anyone else in the world actually sees. All you can be sure of is that we’ve all been ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...

Dogs inspire an enormous amount of curiosity about how they interpret the world, and their vision remains one of the most misunderstood areas of canine science. The common belief that dogs see only in ...