In the UK, scientists from Queen Mary, University of London have been doing an inneresting experiment.
They're looking to measure the moods of goats at a sanctuary in Kent, trying to see how well the animals can recover from neglect and abuse.
What they did was test the goats in a special enclosure that had hidden food surprises.
They studied how optimistic or pessimistic the goats were as to whether or not they'd find food.
The best part about this study, other than showing even farm animals have a complex emotional life, was that it showed mistreated animals can still be fully rehabilitated!
That's so ahamyzing!!
Check out the video (above) to see the scientists in action with some cutie goats!