Why do we see colors with our eyes closed?

Why do we see colors with our eyes closed?

Those mysterious blobs and patterns that bedazzle the backs of your eyelids are no illusion. What you see is real light — and it’s coming from inside your eyes.

By | Posted December 29, 2014

Seeing our insides with a bug’s eye view

Seeing our insides with a bug’s eye view

New device combines the seeing power of insects and humans into one lens

By | Posted October 25, 2013

Why do our pupils dilate?

Why do our pupils dilate?

How the aperture of our eyes offers a glimpse into the mind

By | Posted December 6, 2012

People often wake up with gritty ‘sand’ nesting in the corner of their eyes after a night’s sleep. [Photo credit: jancissmells via Flickr]

The sandman strikes again

Why does sleep build up in our eyes overnight?

By | Posted February 28, 2012