The eye is essentially a biological camera. It uses the light around us to create spectacular images that help us navigate ...

Synesthetes talk a big game, with their claims of hearing colors and seeing sounds – but is it all they say? A new reviewed ...

The team behind the study created what might be the most accurate mathematical representation of photoreception ever.

Pupil size in people with synesthesia changed depending on how bright or dark the perceived colors were.

You know colors, you probably have a favorite! But there's so much more than what meets the eye—did you know that language ...