EditorialIn a recent study in Hungary, researchers found that dogs with personality characteristics they had grouped under the "grumpy" heading were better able to learn from a stranger than more easygoing dogs. (Tom Sibley/The New York Times)
EditorialIn a recent study in Hungary, researchers found that dogs with personality characteristics they had grouped under the "grumpy" heading were better able to learn from a stranger than more easygoing dogs. (Tom Sibley/The New York Times)