Chapter 130 A fatal blow!
Huang Yuxi said that embryonic stem cells all look similar, which is not nonsense.

Under a microscope, this thing is just a mess, but to the naked eye it really looks the same.

This is also the reason why Huang Yuxi dares to commit academic fraud. The same embryonic stem cell, if you change the angle when taking the photo, or adjust the shooting distance, it can be regarded as a photo of two stem cells, which cannot be distinguished by the naked eye.

It is estimated that when Huang Yuxi was making fake photos, he never thought that anyone would actually check the details of each photo.

"Science" was originally meant for a small number of professionals, who only read the scientific research part of the paper. Who would look at the photos to find faults?

Even if someone really wanted to find fault with the photo, they would probably give up the plan when they saw that Eleven was a mess.

Those who can become first-class scholars spend all day in books, and nine out of ten are myopic. Some of the older ones are also presbyopic. How do you expect their poor little eyes to distinguish embryonic stem cells? Stop being funny!

As for the experimental results in the paper that cannot be repeated, although this may be questionable, this kind of thing does exist in scientific research.

Especially in the fields of biomedicine, materials science, and psychology, it often happens that experiments cannot be repeated.

In the biomedical field, due to the complex biological systems and experimental conditions involved, as well as sample differences, the experimental results of some biomedical research may be difficult to replicate in other laboratories.

The field of materials science involves the synthesis, characterization and application of a variety of materials. Some of the experiments may be affected by factors such as preparation conditions, raw material purity, equipment accuracy, etc., which will cause other researchers to be unable to repeat the experimental results.

In the field of psychology, it will be affected by many factors such as experimental subjects, experimental environment, and cultural background. Therefore, some experimental results may be difficult to repeat in different groups or cultural backgrounds.

In fields such as physics and chemistry, experimental results can often be repeated. After all, the laws of physics are there, the chemical formulas are there, and these are considerable laws governing how the world operates. And without sophon interference, the experimental results can definitely be repeated.

Therefore, when Huang Yuxi committed academic fraud, he was not worried about being questioned because the experimental results could not be repeated. He had room for defense in this regard.

In this academic fraud incident, Hwang Woo-suk's only two loopholes were the eleven photos published in the paper, and the betrayal of his teammates.

This level of scientific research cannot be completed by Hwang Woo-suk alone. There must be a whole team behind it, and there are many insiders within the team. Once they betray Hwang Woo-suk, then Hwang Woo-suk's scientific research fraud will be a thunderstorm.

But given the environment in South Korea, Hwang Woo-suk is not worried about teammates betraying him.

South Korea is a country with strict social hierarchy. Coupled with Hwang Woo-suk's status, if someone wants to betray him, Hwang Woo-suk has many ways to deal with the traitor, and it is not impossible to even make the traitor disappear from the world.

In history, Hwang Woo-suk fell on his teammates. The first person to betray him was not a Korean, but an American scholar from the University of Pittsburgh. Americans don't care about the strict hierarchy, let alone a Korean. Social status.

Of course, Hwang Woo-suk wouldn’t dare to do something dirty to American Dad.

So when the first domino fell, a chain reaction occurred. Other members of Huang Yuxi's team saw that the situation was not good, and then they began to betray Huang Yuxi, which eventually caused Huang Yuxi's tree to fall and disperse.

Now Zhang Wei has seized on another loophole of Huang Yuxi and pursued him with eleven fake photos. This really surprised Huang Yuxi.

Is there anyone in the world who is really bothering to compare eleven pictures of embryonic stem cells?
只见张伟拿出了其中两张照片的对比图,开口说道:“这两张照片,分别是黄教授论文中编号为3-4和3-8的照片,照片3-4的C15区域,跟照片3-8的E8区域,是完全相同的,照片3-4的A9区域,跟照片3-8的D13区域,也是完全相同的。”

Zhang Wei said, took out two other photos, and continued to read out the results of the comparison.

After comparing the two photos one after another, Zhang Wei waved the document in his hand and continued: "In addition to what I just said, I also have many photo comparison results here, all of which contain two or more photos. The same situation occurs in a certain area. In addition, I also have an electronic version here. If Professor Huang doesn't mind, I can play it on the big screen!"

"I mind, I mind to death!" Huang Yuxi secretly thought in his heart, but he definitely couldn't say that, so he could only deal with it silently.

But even if Huang Yuxi minded, it was useless. The organizer of this speech was the University of California, Berkeley, and the equipment used by Berkeley was also used. As long as the organizer nodded, the electronic version could be played on the big screen.

Under the current situation, the University of California, Berkeley will definitely not protect Huang Yuxi. Not to mention that Zhang Wei and Huang Yuxi are scholars of the same level. In terms of academic fraud, Berkeley will never dare to get involved.

Zhang Weidu said that there is an electronic version. In front of so many people and a group of reporters who are nosy, if Berkeley stops it from broadcasting, it is tantamount to favoring Huang Yuxi. And if Hwang Woo-suk is proven to have committed academic fraud in the future, wouldn’t Berkeley become a shielder of academic fraud?
For such a world-class university, reputation is more important than anything else, so the staff at the scene invited Zhang Wei to the podium without hesitation and inserted his USB flash drive into the computer.

The PPT prepared by Zhang Wei in advance appeared on the large screen projected at the scene.

Visual information is much more intuitive than auditory information. Zhang Wei spoke into the microphone before, but the audience did not have a very intuitive impression.

But now Zhang Wei directly uploads the picture, and also directly selects the same areas and enlarges them for comparison. The audience can see the similarities at a glance.

"These two areas are really exactly the same. If you don't single them out for comparison, you really can't tell."

"Look at the two comparison pictures. They look different at first glance. But as long as you rotate the picture and reduce the scale, the two pictures can be completely overlapped! This is completely taken from a different angle."

“Not only do two photos overlap, there are also overlapping areas in four photos!”

"It stands to reason that every cell is unique and has a unique shape, right? It's impossible for them to appear in exactly the same place!"

"Is it impossible to clone? What if the same cell is cloned? Will the cloned cells be exactly the same?"

"Theoretically, a single cell can proliferate for more than six generations in vitro, and embryonic stem cells have the potential for self-renewal and unlimited proliferation. However, even if the clones are derived from the same cell, they cannot be exactly the same.

Not to mention the same cell, even if the DNA sequence is exactly the same, the cell's form and function are different. Epigenetic modifications and environmental factors, for example, will have an impact on the cell's form and function. "

There is no shortage of biology professionals on site, who can answer many basic questions in an instant.

Identical twins have the same DNA, but there may be differences due to their growth environment, personal experiences, etc. It's very possible that your twin brother drank an extra mouthful of milk at breakfast today than you did, and you became different.

The same is true for cells. Even clones derived from the same cell are never exactly the same.

Two pictures of embryonic stem cells are exactly the same, so the only explanation is that they are the same cells!
The eleven photos have something in common with each other, which means that these eleven photos all come from the same embryonic stem cell! As a scholar published a paper, he said that he had cloned eleven embryonic stem cells and attached photos. However, the eleven photos turned out to be from the same embryonic stem cell. This is clearly a fraud in the paper.

As Zhang Wei continued to play the photos on the PPT, the eyes of the audience looking at Huang Yuxi also changed. Suspicious, surprised, curious, disdainful, and sarcastic, all kinds of expressions appeared in the venue.

"Didn't I say before that Professor Huang was just a stone's throw away from the Nobel Prize? Now it seems that he may never be able to get close to the Nobel Prize!"

"Yeah, how could the Nobel Prize be awarded to a scholar who falsified his paper?"

"In the field of life sciences, Professor Huang is considered an authoritative scholar! After all, he was the one who made the first cloned cow! I didn't expect that such an accomplished scholar would also falsify papers. This was beyond my expectation. .”

"Isn't this strange? I know several Korean scholars. It is said that the academic environment in Korea has always been like this."

"You are saying that since this paper is fake, will his scientific research results also be fake?"

"Are you saying that cloning human embryonic stem cells is fake? If that's true, it would probably be the biggest academic scandal in the 21st century!"

The audience in the audience has begun to discuss in low voices. Everyone is a scholar, so they naturally understand what paper fraud is and what consequences it will bring.

At this time, Huang Yuxi's face gradually turned pale, and he felt that his heart was trembling. Every page of Zhang Wei's PPT and every comparison of fake photos were like a heavy hammer hitting him. .

He could feel that there were more and more critical eyes and questioning expressions around him. Some people were secretly attacking his credibility with words. There was a sense of tension in the air, and the atmosphere at the scene was getting more and more tense. The heavier.

However, Huang Yuxi did not intend to give up resistance at this time. He knew that if he gave up, the storm of doubts would intensify, and he would be completely wiped out in this storm!

So he has to persevere, he has to stand there firmly, not to back down, he has to think of a way to defend himself, he has to make a comeback!
Huang Yuxi's brows gradually frowned, and his eyes became deep and serious. At this time, he was no longer panicking, but became extremely calm. He wanted to think about what method to use to get back this round.

He looked at the PPT that Zhang Wei was showing, and suddenly thought of a way to solve the problem.

The next second, Huang Yuxi put his hands behind his back, his waist straightened up again, and he regained the temperament of a scholar.

"Mr. Zhang, your PPT is very exciting, I can't help but want to applaud you!" Huang Yuxi suddenly interrupted Zhang Wei.

The eyes of the audience were once again focused on Huang Yuxi, and even Zhang Wei stopped the mouse in his hand, wanting to hear what Huang Yuxi was going to say.

Huang Yuxi took a deep breath and continued: "I admit, Mr. Zhang showed many similarities in embryonic stem cells in the PPT, which almost made me think that these photos came from the same stem cells!

But similar does not mean the same! As we all know, embryonic stem cells under a microscope have similar shapes, and it is normal for them to appear similar.

When I cloned this batch of embryonic stem cells, they were all in the same experimental environment and used the same experimental method. It is normal for the final samples to have many similar conditions.

But we cannot regard these similarities as identical! Science is rigorous. Just because some areas on the photos look the same, is it too arbitrary to conclude that these photos come from the same embryonic stem cells? "

"That's right, the pictures you listed look very similar, but in fact there must be many differences in details. It's just that we can't distinguish them with the naked eye." Huang Junji in the third row immediately shouted Help out.

"I've expected you to be so quibbling!" Zhang Wei smiled slightly and said, "Professor Huang, the pictures I listed don't just look the same, they are exactly the same."

"You said it's the same if it's the same? I said it's different!" Huang Junji shouted in the audience.

"Whether they are the same or not is not what I said, but the result of computer comparison." Zhang Wei said, looking at Huang Junji in the audience, and asked coldly: "It's the 21st century, don't you think , I compared these photos with my naked eyes, right?

Nowadays, computer technology is so advanced that it is not difficult to compare the similarities between two photos. What I have listed are all the results of computer comparison.

The human eye is indeed unable to distinguish some details, but the computer cannot. The computer can still compare the details that are difficult to detect with the naked eye. You don’t have to believe me, but you have to believe in the computer. The machine will not lie to you. "

The audience at the scene showed convinced expressions. Machines must be more reliable than people. Since it is the result of computer comparison, there is definitely no situation like what Huang Yuxi said, which just looks similar but has different details.

"It turns out they were compared using a computer. No wonder we found so many similarities!"

"Since it is a computer comparison, the result must be correct. In this way, it can be confirmed that Huang Yuxi's paper is fake!"

The audience began to whisper again.

Hwang Woo-suk originally wanted to overturn the accusation of falsification of the paper by questioning the accuracy of the photos. As long as Zhang Wei cannot prove that his comparison is accurate, then the accusation of falsification of the paper will not be established, and Huang Yuxi will be able to temporarily win over the situation.

However, the computer comparison directly failed Huang Yuxi's calculation. You can say that Zhang Wei is unreliable, you can say that his eyesight is inaccurate, but you cannot question the computer comparison results.

People make mistakes, but machines don't! Even if a machine makes an error, it is caused by humans.

But Huang Yuxi still didn't intend to give up. He resorted to the last move and planned to make a final struggle.

"As for computer comparison, anyone can do it. You can do it, and so can I. What kind of results you want can be completely controlled through the program!
Today you can entrust several programmers to set up a program to compare the similarities between photos. Tomorrow I can also entrust several programmers to set up a program and the comparison results may be completely different!
So we can’t listen to your side of the story either! I think that if you want to use a computer for comparison, you should find a more professional and authoritative organization! Only in this way can you get a convincing result! "

Huang Yuxi's words made Zhang Wei smile again.

"It's a good thing that I got the endorsement from Berkeley's Department of Computer Science, otherwise I would have been prevaricated by you!"

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(End of this chapter)

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