Ivan Pavlov - Dog knows math?

Ivan Pavlov and his wife

In the reign of the Tsar, the pursuit of Pavlov's truth was not easy, he had to fight fiercely with artificial science and conservative power.

One day two children brought him to Pavlov, they wanted to ask him something. They had been taken by teachers to visit his lab, and enjoyed Pavlov's beautiful, beautiful dogs."But, professor, do you know your calculations? We have seen dogs do the math ."

Pavlov asked very interestingly, "Is there something? What do you say, in the end?"

It turned out that Arusa went to school yesterday to find a very interesting advertisement on the side of the street, saying: "This is a dog with a mathematical talent!". Below is a small line of words, "Mrs. Crinna has a very smart dog, she knows how to do math like a human, welcome you to visit."

Arusa was caught away by the ad, and he asked her to go see the dog. The children and many people were eager to find the address on the flyer, where many people were waiting there, just after the concert began.

Mrs. Crinna took a dog in a dress, with shining mirror on her neck, looking like a beautiful necklace.

Arusa and Cacha sat in the front row, gazing at the performing dog, curious to see how the dog could be calculated.

People saw Mrs. Crinna holding the white covers for her maths, she put a front cover on the dog. Everyone looks clearly on the cover piece saying "2 + 3 =?" , the dog barks 5 hours. Mrs. Crinna changed another piece of paper and wrote: "7 - 4 =?" , the dog barks 3 hours. So magical!

Everyone cheered, Arusa and Cacha were silent, they didn't understand why dogs know how to do math? But I could not find anything wrong, I could not answer myself, so I went to Pavlov to ask.

Pavlov heard the children finish, thought for a moment and said: "This is a hoax, how can there be such a clever dog?" He asked all the details of the show and analyzed. He explained to the two little boys: It happened because Mrs. Crinna tied on the dog's neck a lot of mirrors that could be reflected, though showing the dog the face of the piece of paper, and the left side returning. on Mrs. Crinna's side, but through the mirror pieces on the dog can see what piece of paper is written. She put her left hand on the dog's butt to signal it, the dog will bark "woo, woo .". When the number of dogs barking with the result of the problem, her signal ends, the dog stops barking too. "

The two friends heard Pavlov's explanation, and then they were more confident and admired by Professor Pavlov.

Mrs. Crinna's performance has covered many people, they are all people who do not understand science. Things like that are not unique in Russia but other countries also happen.In a magazine with a news article, Germany had a strange horse, not only speaking but also able to speak English, French, . There were a lot of people watching, including one. The number of officials, psychologists, they all praised the horse. Someone told this story to Pavlov, and even took the magazine to show him. Pavlov just smiled and said: "This is impossible, it's just a trick, horses never speak, simply because it's just a horse."

As a great scientist, Pavlov is determined to struggle with artificial science, believing that the kind of artificial science that deceives people forever cannot exist.

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