Emotional tears are a uniquely human behavior. Research suggests they evolved not for eye health but as a powerful social ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or ...

Well, today is Valentine's Day, which means love and connection are on people's minds, and I recently met someone who studies one form of affection, kissing. Matilda Brindle is an evolutionary ...

The post Can dogs cry? Do dogs get sad, or is it a health warning sign? appeared first on Dog's Best Life. All dog owners know that their dogs feel emotions. There’s joy when you open a bag of its ...

Human language may seem messy and inefficient compared to the ultra-compact strings of ones and zeros used by computers—but our brains actually prefer it that way. New research reveals that while ...

Why do humans have chins? Scientists have long puzzled over this question, since no other living primate species boasts this bony facial protrusion and chins serve no apparent purpose. Even our ...