Cows hold grudges, say scientists By Jonathan Leake February 28, 2005 ONCE they were a byword for mindless docility. But cows have a complex mental life in which they bear grudges, nurture friendships and become excited by intellectual challenges, researchers have found. Cows are capable of strong emotions such as pain, fear and even anxiety about the future. But if farmers provide the right conditions, they can also feel great happiness. The findings have emerged from studies of farm animals that have found similar traits in pigs, goats and chickens. They suggest such animals may be so emotionally similar to...