If you are happy or angry, your dog knows it? They know the difference between happy and angry faces.
Scientist trained some dogs to say the difference between pictures of happy or an angry face of one person.
Later, scientist showed different pictures to the dogs. The dogs put their noses on the pictures.
The dogs could say which face was happy and which one was angry.
It is interesting, isn’t it?2 This entry was posted in Reading Intro (Easy) by Parviz with ۲ comments