Scientists Discover Rat Emotion Signs

Scientists have spotted the rat equivalent of a smile - and its all in the ears. In their study, researchers say that when rats are happy they relax their ears, during which they hang loosely to the side. The study is the first to look for signs of positive emotions on rats’ faces, such as pleasure or happiness.

• 2016-12-23T21:37:28+00:00
• Duración: 00:41

• Rat
• Emotions
• Rats
• Ears
• EmotionSigns
• Animal
• Rata
• Happiness

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