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 ...

Have you ever cried because you were so happy you just couldn’t hold back the tears? Many people have encountered situations in their lives that were so overwhelmingly positive that they could not ...

Researchers from the lab of Hans Clevers (Hubrecht Institute) and the UMC Utrecht used organoid technology to grow miniature human tear glands that actually cry. The organoids serve as a model to ...

We've all been there: watching a movie when suddenly your eyes well up, or hearing a song that sends tears streaming down ...

Birds and reptiles may not resemble humans in many ways, but they cry similar tears. The composition of human tears is well known, but until now, there was very little research into the composition ...