家犬可以分辨人類喜怒哀樂

Whileeverydogownerknowsthattheirpoochcandiscerntheirmoodsperfectly,scientistshavealwaysbeenalittleskeptical.NowthankstosomeresearchersattheUniversityofVeterinaryMedicineinVienna,Austria,wefinallyhavesometangibleevidence.雖然每個狗狗的主人都認