Even some cultures and beliefs may have their own interpretations of the significance of tears from the left or right eyes, but these are not based on physiological science.

Tears change when we fall asleep. When you’re asleep, your tear ducts add less protein and water to your tears but boost antibodies. Cells that fight infection also move to your eye.

Even when you’re happy, your eyes are full of tears. They provide moisture and lubrication to help you see and keep your peepers comfortable. What’s in a tear? They’re a mix of: Water, for ...

So that’s why the tears fall from my eyes. Without even saying much, April has been able to recognize the parts of me that ...

A man falls for his chatbot girlfriend, whom he named Sol and programmed with a flirty personality. The man's human partner, ...

But tears in dogs, which tend not to fall as they do when humans cry, hadn't been linked with emotion before.Takefumi Kikusui, a professor at the Laboratory of Human-Animal Interaction and ...

That said, more than 20,000 years ago someone painted a bison in the French cave of Chauvet that, some contend, has tears falling from its eyes in a precursor to today’s Internet sensation.

But tears in dogs, which tend not to fall as they do when humans cry, hadn't been linked with emotion before.Takefumi Kikusui, a professor at the Laboratory of Human-Animal Interaction and ...

Like humans, dogs have tear ducts that well up with tears to keep their eyes clean and healthy. But tears in dogs, which tend not to fall as they do when humans cry, hadn't been linked with ...

But tears in dogs, which tend not to fall as they do when humans cry, hadn't been linked with emotion before.Takefumi Kikusui, a professor at the Laboratory of Human-Animal Interaction and ...