Chapter 49 Evidence from Science

However, the girl seemed a little afraid of being born and shy. Not at all responded to Xiang Kun, and Professor Li explained: “She also explained to me before. In fact, not at all has a fixed resolution method. Even if it is the same kind of bird, each one is possible. It ’s different, you have to judge based on the situation around you. If there are multiple birds calling, you also need to compare them with each other to make reference judgments. In the final analysis, it ’s just the sound that judges emotions. I’ve tried many times, but I can’t hear anything. I guess she’s better at hearing, and I can hear more details and a wider frequency range … “

After talking about this topic for a while, “Little Apple” didn’t seem to be so afraid of being born, and participated in their discussion.

Li Yang said that daughter’s hearing is stronger than ordinary person, and he can hear more details, so it is difficult for him to learn. However, this problem does not exist for Xiang Kun, and he is sure that his hearing must be much stronger than this girl.

After communicating directly with the girl for a while, he also grasped some tips for distinguishing the bird’s language, and he also compared the various bird calls heard in the mountains during this time to determine what the girl said. is useful.

However, if you want to master and apply it, you have to explore and train it.

Chatting and talking, Xiang Kun also learned that Li Yang, an Associate Professor, is actually a Life Science Academy. The main research area is “the relationship between complex microbial communities with important functions in natural and artificial environments”. Methods and the perspective of grasping metabolic characteristics, trying to cultivate and isolate non-cultivable microbial groups with important functions and application values.

Although Xiang Kun had slammed a lot of books on biology, medicine, cells, and genes some time ago, when Li Yang really talked about professional places, he was still a little aggressive, and he could only consult as a student.

Xiang Kun has always wanted to ask a professional about his situation. Professor Li Yang’s professional field and knowledge reserve should be regarded as “professionals”.

Of course, he will not directly tell Li Yang about his situation, but slowly guide the topic, relying on the direction of mutation and gene mutation.

“… Professor Li, do you say that it is possible for birds to mutate for some reason, and their size may be three or four times, or even five or six times as large?”

“You mean individuals, or is the entire ethnic group?”

“Individuals, such as an owl … or a vulture.”

“It’s almost impossible. You need to know that if you get three or four times bigger, you may have to increase your weight by more than ten times. Skeleton and muscles can’t bear it.” Li Yang shook his head: “Even if it appears, the individual can’t live. Going on. Unless its entire body structure and tissue strength are reshaped, mutations that occur in individuals will not be so orderly and stable. “

“… Professor Li, do you say that people may be mutated for some reason, such as digesting the system and then changing the way they consume energy, the other organs and tissues of the whole person will also be changed, and physical functions will be improved … “

“Don’t you want to say that you have superpowers after mutation?” Li Yang couldn’t help but said with a smile, “We often use a sentence to describe the characteristics of gene mutations: generally low random frequency, no harm, no benefit, no orientation. “

Li Yang went on to explain: “That is to say, genetic mutations are common in the biological world. Any period and any part of an organism’s development may occur, it is random, and the mutation frequency is very low. And for individuals, mutation is generally Both are harmful, and very few are beneficial. As for non-directionality, it means that more than one allele can be produced …

“… The human body is a sophisticated, complex, stable, and orderly system. Any change can have bad consequences. The usual external manifestations are sickness or deformity. To brother, you are a programmer, you say If a large-scale program with precise design and complexity, such as operating system, is a bug, is it good or bad? “

Xiang Kun thought about it and said, “Bugs are definitely bad for programmers or administrators and need to be fixed. But sometimes for users, bugs may also bring benefits …”

Li Yang nodded: “You see, that’s it. In most cases, it’s bad. Occasionally, in some special cases, a few will bring benefits, but there is a risk of overall collapse. The same is true for mutations, if only small mutations That may have little effect on the entire human body, or it may bring certain benefits and convenience. For example, mutations in lactose tolerance, so that adults can also secrete lactolytic enzymes, and you can enjoy dairy products better and more safely. But if The mutation has a great impact, and the benefits brought by it are not worth mentioning compared with the disadvantages, and even the Domino Bone Token effect may appear, causing the entire human body system to collapse and even die …

“… In the future, it may be possible for someone to genetically modify genes to give birth to super humans, but now … it is impossible to appear superheroes in movies and comics by accidental mutation.”

In fact, what Li Yang said, Xiang Kun had read a lot of biology and gene related books before, and all knew them. It was just because of what happened to him and that giant owl that he couldn’t fully trust the textbook.

“Professor Li, do you think this is possible? In fact, there is a whole set of mature mutation mechanisms in nature, but they are always hidden … hidden within the body of some humans or other creatures, only after certain conditions are met, excitation?”

Li Yang shook his head: “You are already in a category similar to mysterious science. Literary works, novels, movies, and so on, settings can be edited directly, and logic can be justified. But science speaks of evidence. Without evidence, you can’t just take it out of thin air. inference.”

Xiang Kun asked, “What does Professor Li think of vampires?”

“If you ask me about rabies or porphyria, I can talk. After all, there are cases, pathological studies, and various documents. But vampires, zombie and so on are essentially the same as superheroes. The existence of literary and artistic works, legends and myths does not have any actual evidence to prove that they have appeared in reality. Therefore, it can only be discussed from a literary and artistic perspective. “400 Years of Love” I prefer … “Li Yang said with a smile.

Xiang Kun wanted to turn around and grab the back seat of Li Yang’s collar, and said to him loudly: Lao Tzu is a vampire, Lao Tzu is ready-made evidence!

But just thinking about it, he would definitely not reveal his secrets to the first time he met.

In fact, they have been down the mountain for a long time, but Li Sheng watched their three people talked enthusiastically–in fact, mainly Xiang Kun and Li Yang. So they simply carried Xiang Kun to the city’s station, and they had to return to the city anyway. This way, you can just continue chatting.

After arriving at the station, Xiang Kun and Li Yang, Li Sheng, and Little Apple kept WeChat with each other, then got off and said goodbye.

Looking at the back of Xiang Kun entering the ticket hall, Li Yang in the car shook his head and sighed, “didn’t expect this brother, 30 years old, and so obsessed with superheroes. By the way, little apple, as you said before What’s that word for? What two? “

“Secondary.” Little Apple shook the head. “This is not called Secondary to Uncle. He seems to want to hear from father to help him explain the theories of superheroes and vampires.”

“How is this possible …” Li Yang said with a smile.

Li Sheng, who was driving, suddenly said, “Xiang’s feet are dirty.” After a pause, he added: “Very dirty.”

“En?” Li Yang frowned in doubt, because of the speculation on the road, Li Sheng gave him the pair of slippers that Xiang Kun wore. Li Sheng said that he must not dislike Xiang Kun’s dirty feet, but was expressing other things. meaning.

Li Yang thought for a moment, then understood: “You mean, you walked a long distance barefoot to brother?”

Li Sheng nodded: “The thick layer of hard mud wrapped on his feet must not have come out of the Panshan Highway. He must have walked a short distance in the mountains. And I watched it while he was washing his feet. When he arrived, he did n’t have any wounds on his feet. This shows that he walked very skillfully and knew how to avoid obstacles that would hurt his feet. I suspect that he had deliberately entered the mountains barefoot and simply did not wear shoes. “

“Don’t wear shoes on purpose? Why is that?” Li Yang asked.

“Maybe he’s really a ascetic monk, tsk tsk. If he wears a monk robe, I really think he is a monk with real kung fu.” Li Sheng said, and he laughed.

Li Yang shook his head: “Isn’t someone a programmer? Don’t say anything to a monk. He said it himself. The bald head is because of hair loss …”

At this moment, the little apple next to him suddenly said, “No smell to Uncle.”

These words made both of them stunned, more than two o’clock in the afternoon, such a big sun, such a hot day, not to mention walking on the mountain road, just standing still for ten minutes, all sweating.

But now thinking back, Xiang Kun seemed to be very dry and did not see any sweat at all. Even if the sweat dries up later, the sweat that had flowed before must have a residual sour smell. The two were very clear. Not only did Little Apple have more sensitive ears than others, but she also had a sense of smell. Even she said that she had no taste, and it was definitely not sweating much.

Li Sheng laughed and shook the head: “This is Brother, Interesting.”


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