We all cry. It's a natural human response that can happen for a variety of reasons. But have you ever cried while chopping onions, even when you weren't feeling emotional at all? Tears seem to pop up ...

Crying as an expression of emotion appears to be uniquely human behavior. Other animals may tear up because of irritants in their eyes, but only humans shed tears at times of extreme sadness or joy.

Photo credit: Shutterstock.com / AJR_photo. That box of tissues isn’t just for mopping up your emotions—those tears you’ve been holding back at work, in traffic, or during that commercial with the ...

Why do we cry? Faced with overwhelming joy or grief, our eyes well up and tears stream down our cheeks. Crying is one of the most defining human experiences one can have. And yet, it's an evolutionary ...

(WYTV- How can an ordinary vegetable, an onion, make you cry when you slice it? The researchers recently discovered a new reason why we cry when cutting onions, and a way to prevent it, or keep it to ...