In the video, a preposterously cute, gray squirrel monkey named Dalton bonks his head against a computer screen in front of him. Wide-eyed and muttonchopped, Dalton has quite the setup—the screen, ...

New findings in color vision research imply that humans can perceive a greater range of blue tones than monkeys do. Distinct connections found in the human retina may indicate recent evolutionary ...

Researchers have successfully used gene therapy to help color-blind squirrel monkeys regain their sight. The development shows offers a new path for treating vision disorders that, until now, were ...