Once again Darwin was right : Animals do have and express emotions
The work could help unpick some mysterious aspects of emotions and how they manifest in the brain.
In other news, researchers use a machine-learning algorithm to decipher the seemingly inscrutable facial expressions of mice Apparently you can tell when a mouse is happy because it pulls its nose down towards its mouth, and pulls its ears and jaw forwards
Today I learned that mice have facial expressions. And that an AI system can recognise them, even if I can't.
Researchers decode the facial expressions of mice