The researchers found that the dogs were able to pick the angry or happy face by touching a picture of it with their noses more often than one would expect by random chance.
研究人员发现,狗能够通过用鼻子触碰图片,来选择愤怒或快乐的面孔,其概率超过了人们对随机性的预期。
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If you have children, you might pick your child's beloved face, but you can choose anyone you see on a daily basis, as long as it's someone whose face you know well.