Zhang Yuan and Zhao Qingfeng looked at each other and carefully pondered the unique physiological phenomena caused by different environments.

Oxygen is a necessity for humans. The large amount of energy brought by aerobic respiration nourishes every cell in the human body. Without oxygen, humans will suffocate and die in a short period of time.

But in the eyes of many biology experts, oxygen is also a chronic poison!

A harmful substance called "oxygen free radical" produced by human respiration can cause damage to the biofilm system and intracellular oxidative phosphorylation disorders. It is a direct participant in human diseases, aging and death, and is very harmful to human health and longevity.

The Glitzer people's circulation system does not require oxygen to participate, so they will naturally become longer

Next, the group of biologists became fanatical and began to make a lot of so-called speeches, such as the atp, CP, and adp conversions in the "nuclear"... Yamamoto Ichiro began to take the opportunity to call for the use of artificial blood and artificial respiratory systems to replace the current aerobic respiratory system. "The most intuitive advantage is that it can delay the speed of cell aging and achieve a higher lifespan"!

Anyway, Zhang Yuan understood it because of the lack of energy caused by anaerobic respiration, and these Glitzers had to lie for a long time.

Captain Zhao, who was sitting around, sighed, "So, it's not just a typhoon, but also this dormant way that evolved from the primitive, makes them prefer a small and well-connected environment. At least they consume less physical strength... and it's safe and reliable, so you don't have to worry about burying yourself alive if you collapse!"

Then there is nothing we can do. These high-level human beings can only wait patiently.

After about 12 days, the group of Glitzers finally recovered from their sobriety. The leader Gan Yaduo said, "Thanks to the generous human civilization, I slept very comfortably this time. Please forgive our daily routine. I know that some civilizations do not sleep. I don't know what your daily routine is?"

Of course humans will not care about this little thing...

This time, the diplomatic matter was very grand. First, several civilized diplomats led this group of Glitzers to visit some areas of the Earth Age, including industrial areas, agricultural areas and part of the living areas.

Of course it is only part of it.

This actually has a faint sense of deterrence. You must let the other party know something, but you cannot let the other party know too much. This vague state of half-knowledge and half-understanding is the most beneficial to humans.

Next, these Glitzer diplomats sat in the same conference room with the human senior officials and began face-to-face negotiations.

The leader named Gan Yaduo took the lead and asked, "First of all, I want to know the specific history of your civilization."

"Why did you think of coming to our galaxy from a distant solar system, more than 20 light years away? From an economic perspective, there is nothing to be made of... We don't have any special material resources here. Could it be that the population exploded and the entire galaxy could not live in it?"

This issue is very important and involves the ideological issues of human beings.

After some consideration, Captain Zhao replied, "Our parent galaxy has not exploded, but is in a stable state of population growth."

"The purpose of coming here is not to colonize and conquer, but mainly to explore and discover."

"Our great people of civilization believe that when a civilization develops to a certain level, it will stagnate spontaneously. In order to avoid the decline caused by this stagnation, it is necessary to isolate space and time, and learn from previous development history to embark on a brand new path..."

Captain Zhao briefly introduced the development ideas of the entire civilization, including the process of human beings' exploration. In fact, at a very early age, humans launched probes to outer space, including the famous "Voyager 1", "Voyager 2", etc. These have very clear written records.

Of course, there is no need to say too much about the core of the history of new civilizations.

Whether the other party believes in these contents is not within the scope of human considerations. Diplomacy is itself half true and half false. There is no need to tell any truth, but there is no need to tell completely lies.

After hearing this, the other party was stunned for a while. For some reason, he seemed shocked after listening to the entire interstellar journey and even started to chat in a low voice in the slang of his hometown.

A few seconds later, the other party reacted and praised this kind of thinking. "So that's it, no wonder you built such a huge spacecraft and left your home planet... It's such an unimaginable huge project! Can you ask, how long did you take to build this huge spacecraft?"

"It's about a hundred years."

If we count the early preparations, it really took so much time. Of course, this was also the Earth civilization three thousand years ago. People don’t know what the current Earth civilization is like and whether such a spacecraft can be built.

This group of Glitzers was once again surprised to speak. For them, in just 100 years, they may still be in the growth and development stage...

At this moment, Zhang Yuan solemnly asked, "Dear Mr. Gan Yaduo, your civilization fired several nuclear bombs at us at the beginning. Although there were not too many casualties, it should be considered an attack. I think you need to explain this attack."

The famous leader said without being humble or arrogant, "Sir, I want to remind you that this is our territory. We do not understand your ideology, nor do we know whether you come to this planetary system with good intentions or malice."

"...If it were you, would you watch the other party become stronger?"

Zhang Yuan was speechless. If he stood on the other party's position, this statement also made sense.

Immediately afterwards, he said, "Then, we have already sent a large number of electromagnetic waves to this galaxy in advance... Why doesn't your civilization reply? We just regard this place as a homeless place."

"Even if there is any reply, we cannot go to this planetary system. There are so many planets in the universe, and there is enough room for selection."

The other party remained silent and whispered for a while, feeling that this question was not a good answer. The other party had been flying over for three thousand years, so it was meaningless to defend it here.

The Glitzer man said again, "But don't worry, General Davian, who pressed the nuclear button without authorization, failed the rebellion plan and had committed suicide by swallowing a gun. The majority of our civilized population, generally speaking, yearns for peace... If you have no attacks and the intention of large-scale colonization."

"But we only allow you to choose one planet as your destination and not colonize more planets. This is our bottom line."

This time, if it were humans, they were silent for a while. The other party's concern is not unreasonable. If hundreds of years pass, humans colonize all the other planets, the strength of both sides will undergo earth-shaking changes...

But then again, even if you promise to colonize only one person now and then regret it later, what can the other party do?

Zhang Yuan didn't want to keep up with this, so he changed the topic, "Hissergeant Gan Yaduo, can you introduce your civilization? The 200,000-year civilization history is really a long history. For our human civilization, starting with the written records, it will only take ten thousand years."

This ten thousand years even includes three thousand years of starry sky journey.

Gan Yaduo pondered for a while and said, "This is natural, interchangeable history, and the focus of our contact this time... We are a civilization that advocates art and mathematics..."

"...We are even more shocked that you can reach the current level in just ten thousand years. This is a very amazing achievement!"

...
Chapter completed!