Structure of tears influenced by what makes us cry

Photographs of 100 tears, taken through a microscope, reveal the different images they create when we cry from sadness, pain or joy

Two types of peak emotional responses to music: The psychophysiology of chills and tears

The Crying of Lot 49 by Thomas Pynchon

Do Different Types of Tears Look Different Under a Microscope?

Mechanism of Crying Dr. Monica Nguyen, OD

How Tears Work National Eye Institute

Teary-Eyed Evolution: Crying Serves A Purpose : NPR

How Crying Works

Frontiers Comparative Analysis of Tear Composition in Humans, Domestic Mammals, Reptiles, and Birds

What Happens When You Cry? Doctors Explain

WATCH: Your Tears Are as Unique (And Beautiful) as Snowflakes : ScienceAlert

61 Powerful Songs That Make You Cry - Happier Human

Rose-Lynn Fisher / Tears

Study reveals 5 main reasons that make people cry

Are tears structurally or chemically different depending on the reason for crying? - Quora