A blink of an eye seems natural and instantaneous, but is it? Without a functioning eyelid, the eye can become dry, irritated and eventually lose the ability to see clearly. Now, a team of UCLA ...

How can you tell when a horse is feeling stressed? It's all in the eyes and the way their eyelids twitch, University of Guelph researchers have discovered. A horse will blink less and twitch its ...

Add Yahoo as a preferred source to see more of our stories on Google. A cat with its eyes closed "Why do cats blink?" might not be a question you've ever really given much thought to. After all, you ...

There are things that just don't go through a race driver's mind when they shift gears and hit the throttle. Wondering if it's 'air' they are breathing or if it's time for their bathroom break is ...

Illustration of left eyelid attached to an electroactive polymer artificial muscle (EPAM) device after passing through an interpolation unit that is implanted in the lateral orbital wall. The power ...

Uncontrollable blinking is often considered normal, but in some cases it can lead to various interpretations and perceptions. In Malay culture in particular, blinking the left eye is often associated ...