It's obvious that people can communicate with dogs. Throw a ball and tell a dog "fetch," and the dog retrieves the ball. But do dogs understand the word "fetch," or do they just understand that you threw a ball and made a sound? They could also be focused on some other cue entirely — the tone of your voice, or the direction of your gaze. Luckily, scientists have looked into this.
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Written by Mae Rice December 28, 2018
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