Researchers behind a recent study claim to have discovered a new color that the natural, naked eye cannot perceive — 'olo,' a ...

Researchers at the University of California at Berkeley and the University of Washington have created a new system that ...

“The pupil has long been known to be an indicator of a person’s arousal,” Burley explained. “The pupil usually dilates when an image shocks or scares us. The fact that this normal physiological ...