It's reasonable for me to have a two-way foil for a second-level civilization, right?

Hearing this, Lu Yongchang's eyes moved slightly.

"You mean...prototype?"

Under the mask, Mao Zhengzhi's eyes shone with a strange light: "Not bad! Prototype!"

"According to the zero comparison results, these cell debris come from cells with dissimilated structures, and the prototypes of these cells come from all over the Proxima Centauri!"

"Hiss..." Lu Yongchang gasped suddenly, and muttered to himself, "Cancer cells?"

"Yes! It's cancer cells!" Mao Zhengzhi's voice suddenly amplified!

"What appeared in my mind at the time was also a cancer cell!"

"These cell residues are the dead cancer cells in Proxima Centauri!"

"And this special organ should be a detoxification device."

"We all know that there are many detoxification organs in the human body, such as skin, lymphatic system, lungs, kidneys, liver and so on."

"Obviously, this organ of Proxima Centauri is different from the detoxification organ of humans. It is more targeted-it only works on cancer cells!"

Lu Yongchang stared blankly at the holographic image in front of him.

Cancer cells are the products of normal cells that are affected by carcinogenic factors during the process of division and differentiation.

In addition to telomere problems, this is also a big reason why humans have short life spans.

As humans age, they are exposed to more and more carcinogenic factors, and the probability of cancerous changes in the process of cell division and differentiation is also increasing.

Thus, it has an impact on human life expectancy.

"So... this is the secret of Proxima Centauri's longevity?"

Mao Zhengzhi nodded, then shook his head again.

"It should be part of the reason."

"The distance between Proxima Centauri b and the host star is too close. Even with a thick atmosphere, the surface still has a huge dose of high-energy rays."

"Under the influence of these high-energy rays, the probability of cancerous cells in Proxima Centauri has greatly increased."

"And this unique organ is their secret to dealing with high-energy rays."

"Theoretically speaking, it can only allow Proxima Centauri to live a little longer within the upper limit." Mao Zhengzhi shrugged.

Hearing this, Lu Yongchang suddenly realized something.

"So, what should be the upper limit of the theoretical lifespan of Proxima Centauri?"

Mao Zhengzhi's face froze.

"At present, our equipment is insufficient, and I can't detect their chromosomes now."

"It's a big project and it may take a little while to see results."

Chapter 296 Uniquely blessed

a week later.

The long battle field finishing work has finally come to an end.

Contrary to Lu Yongchang's expectations, there are quite a few good things in the central computer of Proxima Centauri.

Not to mention anything else, just the information about the Hall thruster is enough to raise the strength of the human fleet to a higher level.

According to zero's preliminary estimate, the improved Hall thruster is more efficient, enough to allow the human fleet to travel at a maximum speed of 20% of the speed of light outside the star system.

This is undoubtedly a great improvement.

Especially for human civilization.

The Proxima Galaxy, whose main star is about to go out, is destined to be just a springboard for replenishing supplies, and they will eventually go to the next resource-rich and habitable star system.

As for the goal...

Proxima civilization found a destination for them.

The Ross 8.24 star system, 154 light-years away from Proxima Centauri.

Ross 154 (with Proxima Centauri as the origin)

The main star, Ross 154, has a mass of 17% that of the Sun and a radius of about 24% that of the Sun.

Like Proxima Centauri, it is also a red dwarf in its teenage stages.

According to the exploration of the Proxima Centauri civilization, there are three gas giant planets and four solid planets in the Ross 154 star system.

Although these solid planets are not very similar to the earth, for current humans, they are already the best choice within ten light-years nearby.

Every time Lu Yongchang saw the extremely detailed investigation data in the database, he thanked the Proxima civilization from the bottom of his heart.

Thanks to their hard work of detection for hundreds of years.

Otherwise, he still needs to spend a lot of energy to find a suitable star system.

"Professor, Academician Mao Zhengzhi has something to ask for you."

Zero's voice broke Lu Yongchang's thoughts.

"Huh?" His eyes moved slightly, "Is there any result from the experiment?"

"Yes."

Hearing Zero's response, Lu Yongchang's eyes flashed with excitement.

He immediately untied the electromagnetic adsorption device, stood up from the chair and walked out of the office.

……

[Earth] Biological main laboratory.

"Professor, there are results!"

As soon as the laboratory door was opened, Mao Zhengzhi's excited shouts reached Lu Yongchang's ears.

Lu Yongchang hurriedly quickened his pace, walked quickly to Mao Zhengzhi's side, and cast a puzzled look at him.

Seeing Lu Yongchang's curious eyes, Mao Zhengzhi subconsciously wanted to make a fool of himself.

But thinking of his experience on Proxima b a few days ago, he quickly killed the "wrong thoughts" in his heart.

"Cough!" Mao Zhengzhi cleared his throat, and stretched out his hand to recall the results of various experiments, "Professor, the chromosomes of the Proxima civilization also have parts similar to telomeres."

"Not only is the structure similar, but its role in cell division is also remarkably similar."

"It is also to ensure the integrity and stability of chromosomes."

Lu Yongchang was not surprised by this.

From the genetic data sent by the Proxima civilization, it can be seen that there are many similarities between the genes of the Proxima people and human genes.

About 10%.

Although it seems a lot, in fact, this number is actually ridiculously low.

You know, the genetic similarity between humans and bananas is more than 50%.

"So, what did you find in the telomeres of these Proxima Centauri?"

As he asked, he took a sip of the bag of drinking water beside him.

"The limit lifespan of Proxima Centauri is about 80 years old."

"Cough cough cough!!" Hearing this, Lu Yongchang couldn't help but coughed violently.

After finally swallowing the remaining water in his mouth, he looked at Mao Zhengzhi beside him in disbelief.

"you sure?!"

"80 and 639, the gap is a bit big!"

639, is the lifespan of Augustus.

Given that he was killed by a genetic weapon, his ultimate lifespan should be much greater than that.

Even without mentioning individual cases, the average life span of 500 years alone far exceeds the answer given by Mao Zhengzhi.

Mao Zhengzhi shrugged: "At that time, I also suspected that I was wrong."

"Even, I let zero repeat verification more than ten times."

"But the results are the same."

Lu Yongchang was in a slightly calm mood.

As a scientist, after a brief surprise, his first reaction was to think about the reasons behind this phenomenon.

His brain was spinning rapidly.

The brain that has been strengthened by the system day after day quickly associates with a substance.

"Telomerase?"

Mao Zhengzhi was a little surprised.

He didn't expect Lu Yongchang to grasp the key point so quickly.

"That's right." He nodded and reached out to open another document, "I found a substance in their cells."

"Extremely similar to the effect of telomerase."

"However, this substance exists in every cell of Proxima Centauri."

"They can synthesize and replenish telomere material that wears down during cell division."

Speaking of this, Mao Zhengzhi's voice paused slightly, and a 3D simulation animation began to play on the holographic projection in front of him.

"According to zero's calculation simulation, these Proxima Centauri have almost zero telomere wear within 100 years of age."

"That is, the rate of telomerase synthesis is extremely close to the rate of telomere wear."

During the projection, the cells divide again and again, and the telomere-like substances behind the chromosomes gradually decrease, but the telomerase-like substances quickly synthesize telomere-like substances to replenish the worn parts.

"This kind of process will not change until the age of 100." Mao Zhengzhi shrugged, "There are not many experimental samples, and this is my rough estimate."

"This time will vary from person to person. Some may be 110, 120, or even 150 years old, while others may be 80 or 90 years old. This is also the reason for the huge difference in the life span of Proxima Centauri."

"After the critical time point, the rate of telomere wear begins to increase continuously."

"The rate of synthesis of telomerase remained constant."

"So the telomeres start shortening until they disappear."

The 3D animation in the holographic projection then stops playing.

Lu Yongchang's face was filled with amazement.

He exhaled a long breath, and sighed in a low voice: "Sometimes I have to marvel at the magic of the universe..."

Mao Zhengzhi interrupted his exclamation: "The magic is not only that."

"Remember that special organ we discovered at that time?"

Lv Yongchang was taken aback for a moment, and immediately realized: "You mean the organ that specializes in devouring cancer cells?"

Mao Zhengzhi nodded, his eyes filled with envy: "Even with the help of telomere-like and telomerase-like enzymes, these cells will still produce a lot of mutations in the process of continuous division."

"This probability of mutation increases with the number of divisions."

"And that special organ just solved the troubles of Proxima Centauri."

"They don't need to worry about the cells becoming cancerous."

He said with a wry smile: "Compared to Proxima Centauri, human beings don't seem to please the Creator in this respect."

Chapter 297 Gene Fragment

Hearing this, Lu Yongchang couldn't help falling into silence.

When on earth, human beings regarded themselves as higher animals.

Compared with other creatures in the natural world of the earth, human beings seem to be unique.

Possess advanced intelligence, a large number, good at using and making various tools...

Thousands of advantages come together, allowing human beings to successfully climb to the top of the earth's food chain.

As soon as we stepped out of the earth, human beings discovered primary extraterrestrial life on Mars and Titan.