Humans appear to be the only species clearly proven to shed tears specifically because of emotions. Elephants, primates, and dogs show behaviors and biological responses that come closest to human ...

Whenever you see the word “welfare” in the literature, you can be pretty sure something unpleasant is being done to animals A new book by Jessica Pierce and myself titled The Animals' Agenda: Freedom, ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or deep stress. Because this response is so familiar, observers often assume ...