Chapter 738: Information Hidden in Life

On the way home by car, Fang Yuan kept thinking about the conversation with Fu Wenhe just now.

A picture of a civilization struggling to survive in the catastrophe of the doomsday emerged in my mind.

Perhaps in the next twenty years, human beings will face the same situation and the same choices.

Do everything possible to leave evidence of the existence of civilization in the world.

While thinking, Fang Yuan pressed the glass ball in his hand and rolled it slowly on the table.

"What are you thinking?" Seeing that he was engrossed in his thoughts, Han Youwei moved closer and asked in a low voice.

"It's nothing, I was thinking about the topic discussed with Professor Fu Wenhe just now." Fang Yuan replied casually.

"Let's talk about it, let's think together, maybe there will be a different harvest." Han Youwei pursed her lips and smiled.

"I'm thinking, if there was a civilization on the terrestrial planet in the asteroid belt, then their civilization must want to leave something behind before it is destroyed." Fang Yuan said with emotion.

"Indeed, if civilization cannot continue, something must be left behind." Han Youwei nodded.

Niu Dazhi interjected: "If it were me, I would shoot a lot of videos and store them in the hard drive. If someone finds the hard drive I left behind, they will be able to see my unruly image."

Eve held her chin, rolled her eyes and said, "The time scale of the universe is hundreds of thousands of years. Your hard drive is a piece of scrap iron if other civilizations find it."

"Then what do you use to save it?" Niu Dazhi ran back to the topic again.

"Nothing can preserve information for such a long time, tens, millions, or even hundreds of millions of years, and no material can preserve it for such a long time without deforming." Eve waved her hand.

"Yes. There is no substance that can be preserved forever." Fang Yuan also agreed.

Han Youwei thought about it and said, "If there is anything that can be preserved forever, I think there is only life."

"Is life even more impossible? What kind of life can exist for hundreds of millions of years?" Niu Dazhi shook his head and expressed doubts.

Eve reached out and hooked Han Youwei's arm, and said: "Youwei is right, if there is anything that can last for hundreds of millions of years, it is only life.

life that goes on and on. "

"I don't study much, so you can just lie to me." Niu Dazhi still expressed doubts.

"You just don't read much, do you know how long Xiong Ba's life lasted on Earth?"

Eve didn't wait for him to answer, and continued: "Giant pandas have lived on the earth for 8 million years. Look at the existence of giant pandas 8 million years ago. Isn't this the power of life? It can last for 8 million years. Long.

"There is also the Chinese sturgeon, which appeared on the earth more than 100 million years ago, which is a living fossil.

"There are even more powerful ones, ginkgo trees. Ginkgo trees have appeared on the earth for 270 million years.

"What kind of hard drive of yours, how can it be preserved for such a long time? Of course life can last the longest in the universe."

After listening to Han Youwei and Eve's point of view, Fang Yuan's eyes lit up immediately: "That's right. If a civilization wants to record history and culture, it doesn't matter what kind of material it uses, maybe using life to preserve information is the longest. Methods."

"What? What are you thinking?" Niu Dazhi blinked, he was stupefied by Eve just now, after listening to Fang Yuan's words, he was even more stunned.

Han Youwei said in surprise, "You mean..."

Fang Yuan raised the glass ball in his hand, and said: "If the microorganisms here come from the civilization in the asteroid belt, maybe something can be found in these microorganisms."

"You mean, that civilization may store information in microorganisms?" Han Youwei immediately understood what it meant.

Niu Dazhi scratched his scalp and said, "What are you thinking? Microorganisms are not semiconductors, so how do you preserve information?"

Eve gave him a sideways glance, and said, "Your biology must have been taught by your physical education teacher."

Fang Yuan thought of this possibility, immediately copied the "base scalpel", and started to observe the microscopic structure inside the microorganism through the observation ability attached to this ability.

The internal structure of the cell is simply scanned, and then the attention is focused on the genetic sequence.

A gene is composed of a base sequence with a double helix structure, which can be simply regarded as a quaternary code.

If there is enough powerful genetic technology, it is entirely possible to record information in these base sequences.

As for changing the base sequence of organisms, will it lead to biological variation.

Mutations are possible, but not too problematic.

Among human genes, 98% of them are redundant, that is, they are not expressed.

Therefore, most base sequences do not affect organisms.

As long as the genetic technology is strong enough, information can be recorded in the base sequence of biological genes without affecting the survival of living things.

Therefore, there may indeed be information in the gene fragments of these microorganisms.

Of course, this is just Fang Yuan's whim, whether it exists or not needs to be verified.

Fang Yuan used his ability to observe the base sequence of microorganisms, trying to find some rules.

However, even if information is actually preserved in the genes of these microorganisms, it is impossible for normal people to directly read the content of this information from the base sequence.

first.

If the base sequence contains information, it should be in quaternary, which is completely different from the binary code used by humans.

Secondly, even if the codes of these base sequences are really seen, the human language is different from the language of the asteroid belt civilization. Even if the information codes are extracted, it is not known what these codes mean.

However, Fang Yuan is still observing carefully, the purpose is not to see what information is written in these base sequences, but to find out possible information codes.

I can't see the content of the code, but it is still possible to see some rules.

If the information recorded by humans is coded, it has specific characteristics.

It is possible to see this point carefully.

For example, some specific coding sequences appear continuously, which are obvious features.

Fang Yuan looked carefully, his eyes lit up suddenly, and there was a hint of surprise on his face.

Seeing this expression on Fang Yuan's face, Han Youwei's heart was pounding, and she asked, "Is there really?"

"Wait a minute, not sure yet."

Fang Yuan just saw a segment that looked like it was recorded by humans, but he couldn't be sure, he needed to keep searching.

The search method is also very simple, look for the same coding sequence, if you can find multiple pieces of the same, then it can basically prove that this is the coded information recorded by intelligent life.

Fang Yuan continued to search, and after two minutes, he found the second segment, then the third segment, and the fourth segment.

When he found the fourth segment of the same code, Fang Yuan knew that he must have discovered something extraordinary.

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