Goats Like Your Smile, Hinting Farm Animals Read Emotions

Put on a happy face. That works for creating a positive impression on other people. Research also shows that dogs and horses prefer a smile to a frown.
But what about domesticated farm animals, such as goats, pigs and cows? Turns out domesticated pigs and cattle are smarter than we give them credit for, studies have shown. They may even have complex inner lives.
But do they like our smile?A paper published Aug. 29, in Royal Society Open Science indicates that domesticated goats a