Terminator: Why do you cry? John Connor: You mean people? Terminator: Yes. John Connor: I don't know. We just cry. You know. When it hurts. Terminator: Pain causes it? John Connor: Uh-uh, no, it's ...

Tears are obviously our body’s mechanism to keep our eyeballs well lubricated, but why do humans start bawling when they’re sad, in pain, or overjoyed? What purpose could crying possibly serve? As ...

Crying is one of the most natural things humans do, yet it’s often treated like something to hide, manage, or apologize for.

Tears are usually seen as a sign of sadness or pain, but it’s not uncommon for people to cry during life’s most joyful moments: weddings, births, reunions, sporting triumphs, or even just an ...

We’re the only species that sheds emotional tears, but much about them remains an enigma. Human infants aren’t able to shed tears for the first few weeks of their lives. Scientists like to show the ...