The business of "Bing'er Ice Cream Shop" is very good, and since it has been officially open for more than ten days, the daily turnover has been more than 2,000 crystals, which is a great comfort to Old Man Zhan and Bing'er.

As the word of mouth continues to spread, more and more people come to try the freshness, and sometimes during peak periods, people in the store have to queue up.

After the business of the ice cream shop was on the right track, Yang Xiao slowly threw his hand to Old Man Zhan, and he hid on the second floor to read.

These books were found by Yang Xiao in a second-hand bookstall in the slums, and there were a large number of books on genetic evolution and cultivation, as well as some books on exercises and skills.

In Wuxing, the research on genetic evolution has a history of tens of thousands of years, and the genetic evolution ability and research level of the entire Wuxing people are constantly improving, and the resulting books on genetic evolution are vast and innumerable.

When Yang Xiao first saw these books at the second-hand book stall, he was like a treasure, and he bought all the hundreds of books on genetic evolution, light and shadow jade, and transported them back to the room on the second floor.

Most of the people in the slums have some small achievements in genetic evolution, and many of them, like Old Man Zhan, will learn some related exercises and skills every day above the realm of strengthening genes.

Yang Xiao's purchase of these books is also a normal behavior, whether it is the bookstore owner or Old Man Zhan, they are not surprised.

These days, in addition to eating and sleeping, Yang Xiao is basically reading.

As a genetic evolutionary, Old Man Zhan naturally knew what Yang Xiao was doing, so he tried not to disturb him, and also told Bing'er not to disturb Yang Xiao either.

From these books, Yang Xiao has a general understanding of the history of genetic evolution on Wu Xing.

In the past, like the Earth, the Witch Star was just an ordinary planet in the solar system, and after the legendary solar storm, all the creatures on the Witch Star began to gradually undergo genetic mutations.

Since then, genetic evolution has gradually dominated the lives of witchers, with the emergence of all kinds of skilled people, and the dominance of technological development gradually replaced by genetic evolution.

Luckily for Earth, there was no extinction disaster like Earth's, and the rate of genetic evolution wasn't fast at first.

After thousands of years of natural evolution, in the process of studying genetic evolution, the Wuxing people discovered for the first time that amethyst has the effect of promoting the rapid evolution of genes.

Subsequently, the genetic potion was gradually studied, and the entire Wuxing began to enter the Big Bang era of genetic evolution.

In the process of genetic evolution research, four major branches of genetic potions, attribute magic equipment, weapons, and elixirs were gradually differentiated.

With the magical power of genetic evolution, the Witchers began to become the most powerful race in the solar system.

However, the path of genetic evolution is like a bottomless black hole, constantly devouring everyone's desires, especially genetic evolution can continuously improve the lifespan of human beings, which makes everyone start to join in the evolutionary cultivation frantically.

As the most core evolutionary resource, amethyst has become the object of everyone's competition.

In addition to looking for amethyst on the mainland, the empires on the witch planet began to set their sights on alien planets, and found amethyst on several planets one after another.

Purple Source Star is one of them.

In addition to learning about Wu Xing's genetic evolution history from books, Yang Xiao also read a lot of books on various exercises and skills, but these are relatively low-level functional techniques, which are only suitable for people like Old Man Zhan to cultivate.

Even Yang Xiao's current Golden Bee Sword Technique, after cultivating to the full level, is much stronger than this pile of tattered skills.

Among these hundreds of tattered second-hand books, Yang Xiao also found two books of interest, one of which is "On How to Break the Bottleneck of Genetic Evolution".

This book is a theoretical discussion about the ceiling of human genetic evolution, and all people have fixed genes in their bodies from birth and can only grow within the scope of their own genetic abilities.

Just like the pear, apple, and peach trees, from the very first sapling, it is determined what kind of fruit tree it will become when it grows up.

However, the grafting technology of fruit trees can change the genes of fruit trees, for example, pear trees and apple trees are grafted to each other, and new varieties of apple pears can be obtained.

Continuously graft excellent genes, including the genes of monsters, into the human body through scientific and technological means, so as to change their own gene number series and achieve the possibility of improving the genetic space.

This book is only a theoretical discussion book, but it only proposes a theoretical research direction and speculation, and the book was published about 3,000 years ago.

In other words, 3,000 years ago, the Witchers began to experiment with genetic modification between different species.

The book also mentions that after humans eat mutant monsters, they can increase the speed and space of genetic evolution to a certain extent, because the flesh and blood of monsters not only contain evolutionary energy, but also slightly affect the genetic evolution space of humans with their excellent genes.

It's just that this power is too small to essentially elevate the genetic space of human genes.

Yang Xiao thought about it now, no wonder that the black mysterious vial of refined demon beast flesh and blood could quickly increase his genetic evolution speed, and that was exactly the case.

What surprised Yang Xiao the most about the book was that it mentioned a creature called a "lighthouse jellyfish".

As the lighthouse jellyfish grows from larva to maturity, it gradually returns to the larval stage, then continues to grow, and when it matures, it returns to the larval stage again.

This stage repeats itself and never stops, making the lighthouse jellyfish an immortal creature that does not age and die naturally.

The book mentions that if humans can study a drug that mimics the growth of lighthouse jellyfish, then they can constantly modify their genes and make their own genetic evolution space endlessly improved.

The book also mentions that the Institute of Genetic Evolution has been studying the genetic evolution secrets of lighthouse jellyfish, and has achieved certain results, researching a genetic modification method, jellyfish genetic modification method.

After Yang Xiao finished reading it, he was stunned for a long time.

Three thousand years ago, this book proposed the practice of genetic modification of jellyfish, so has there been a breakthrough now?

Yang Xiao shouted Old Man Zhan upstairs, flipped the book to him, and asked:

"Do you know anything about jellyfish genetic modification exercises?"

Old man Zhan didn't think about it, shook his head and said:

"How can I understand this?"

"Then how did you cultivate your own genetic evolution?"

"Our genetic evolution is all natural, just as natural as our own physical growth, without systematic learning, it's a big deal to learn a few sets of exercises and combat skills."

"Is that true of all people?"

"Of course not, we have a genetic evolution school here, after activating the genetic evolution system, the children of rich families will be sent to school to study, the school is divided into beginner classes, intermediate classes and advanced classes, people with good genetic evolution talents, and those who enter the Tianlong Academy of the Great Dragon Empire for further study, and those who graduate from the Tianlong Academy are at least the emperor-level realm and can enter the imperial guards."

"Oh, then what are the requirements to enter the Heavenly Dragon Academy?"

"It's very simple, first of all, the talent for genetic evolution is good, and then there is money, not ordinary money, but a lot of money, because you need to buy a lot of genetic potions to improve the evolution realm, money and talent, both are indispensable,

If you don't have talent, you can't enter Tianlong Academy, and if you don't have money, it's useless to enter. ”

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