Think you have sharp eyes? Here’s a fun challenge for you! Hidden among a sea of number 5s is a sneaky little number 3—can you spot it? This optical illusion is a real test of your observation skills.

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

Scientists found visual sensitivity tests could predict dementia up to 12 years before it was diagnosed. The eyes are ...

There is no need for a lot of time and effort to improve brain capacity and memory. Just take out 15-20 minutes every morning ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Shocking before-and-after images of NASA's stranded astronauts show the terrifying damage that months spent in the harsh ...

Why do men stare at women all the time, even if the woman's not interested? Find out the real story behind men who stare at ...

A type of eye injury that caused blindness and was previously believed to be irreversible was cured in human trials using ...

By studying never-before-seen details of brain connectivity in human infants, researchers have identified how a balance of innate structure and flexible learning produces our remarkably organized ...

A computer that you can use in your home or work is coming out that contains silicon chips melded with living brain neurons.