Biologists modified simple electronics to create a color vision test for fiddler crabs and other animals. Fiddler crabs have a simple solution to life's daily perils: run. University of Cincinnati ...

In nature, the ability to change color can be key to survival. Vision is a very important sense in much of the animal kingdom, and many animals have come up with unique ways to use this sense to ...

Nature comes in a variety of striking colors, but all that beauty didn't evolve for our enjoyment. Conspicuous colors tend to be signals, often helping animals woo mates or warn predators. Yet the ...