We’re the only species that sheds emotional tears, but much about them remains an enigma. Credit... Supported by By Dana G. Smith Illustrations by Dominic Kesterton The last thing that made Dana Smith ...

Crying is one of the most human things we do. We cry when we’re heartbroken, joyous, or overwhelmed. Sometimes, tears come ...

Humans are the only animal to produce emotional tears. Asking questions about this behavior can help us better understand how we live our lives. That question has many answers. To start, there are ...

Good news, bad news, a rough day, a scary movie, a poignant memory, a nostalgic smell—these are all things that can prompt a salty tear to trickle down your cheek. The sensation is quick to sneak up ...