For example, scientists in the United States have found intact 191 Spanish flu viruses on dead bodies in cemeteries in the Alaskan tundra.
Smallpox and the bubonic plague virus may also be buried under the Siberian permafrost…
More than one climatologist has said that the thawing of permafrost will lead to the return of deadly pathogens of the 18th and 19th centuries to the human world, especially near the cemeteries where those victims are buried! "
These speeches silenced the venue for a moment.
Another scientist stood up and said:
"Professor Cha Hongshuo's point of view, I agree with it.
Moreover, the anthrax virus he mentioned is not the first awakening of pathogens in the permafrost.
As early as 11 years ago, scientists from the National Aeronautics and Space Administration successfully revived bacteria that survived [-] years in a frozen pond in Alaska!
Since the Pleistocene period.This microbe, known as Bacillus spp., has been frozen ever since.When the ice melts, they are released and come back to life!
Two years later, scientists have successfully recovered 8 million-year-old bacteria that lay dormant beneath the surface of icebergs in the Antarctic Lighthouse and Mullins Valley.
During the same period, scientists also revived bacteria from 10-year-old glacial layers. "
Sha Weizhao touched his chin and said nothing.
These are all amoebas that can only infect that single cell, and do not pose any threat to humans.
At this point, a paleontologist stood up and retorted: "Honestly, it's better to worry about archaea than about archaviruses!
"Viruses are specific. If there is no corresponding binding site on the organism, no matter how powerful the virus is, it will have no effect.
"Bacteria, on the other hand, can cause harm to humans unreasonably. They don't need the so-called binding sites at all. As long as they resist white blood cells and defeat the human immune system, they can cause a fatal threat.
Moreover, it is not just a question of specificity, but also of disinfecting.
Polar bacteria are often resistant to extreme environments and are not easy to disinfect. For example, the first archaea discovered were from craters.
But a virus, in general, is a protein shell, which is easily denatured at high temperature, and as a simple organism, it has no defense mechanism. "
Everyone agreed.
Compared with ancient viruses, archaea are actually more terrifying things.
Viruses need a host to survive, and viruses in glaciers cannot have hosts.
Second, the closer the relatives are, the easier it is for their viruses to spread among each other, that is, the smaller the species barrier.
Even if the virus in the glacier exists, it has never had any intersection with humans in evolution, and the possibility of infecting humans is very small.
Therefore, in fact, it is not that the more mysterious and ancient the virus is, the more terrifying it is,
— Zhou Shu said,
Viruses that can have a major impact on humans are not in distant and ancient places, but in mammals such as bats, mice, and primates.
Sha Weizhao, who had been silent for a long time, stood up at this moment, ready to speak.
He greeted Xu Qiu first, and then asked: "Comrades, when discussing ancient viruses and archaea, we should first establish a basis, that is, where did this ancient creature come back to life.
If it was a glacier, it would not be so scary.
The virus exported by the ocean is actually a more terrifying existence.
Director Xu, I would like to ask, do you know the place where paleontology will be revived during the Little Ice Age? "
Xu Qiu looked at Sha Weizhao.
This is currently the only scientist who still maintains absolute rationality and extremely calm analytical thinking.
Only Sha Weizhao found the most critical point at a glance.
Xu Qiu said in an appreciative tone: "Professor Sha, as far as I know, you are an expert in the study of the Arctic and Antarctic ice sheet ecosystem and one of the founders of the world's climate cryptography. You once unearthed the world's oldest ice core.
Sha Weizhao showed a humble smile, bowed his head and said, "Director Xu is absurd!"
Xu Qiu said: "The question you asked is very important. The recovery of paleontology this time is closely related to the Little Ice Age, and the location of the recovery of these creatures is... the north and south poles!" Boom!
At this moment, Sha Weizhao was stunned suddenly, his face was a little dull.
He suddenly thought of the ice core that his team took out from the ancient ice layer not long ago.
On that, there is a creature....
"Director Xu."
The shock on Sha Weizhao's face did not dissipate in the slightest. He asked his assistant to take out some photos, and Li Bingqing passed them on to Xu Qiu.
Above, is a black worm only a few millimeters long.
"This is?" Xu Qiu's eyes froze.
With shock on his face, Sha Weizhao said, "Director Xu, if I'm not mistaken, this is...the polar ice worm!"
Polar ice worms, annelids, vermiliones, oligochaetes, trichotrichia, nematodes.
This is the only creature on the blue star that can't freeze to death, and it has the characteristics of alien life idealized by scientists.
Many scientists believe that the rare cold-resistant physique of ice worms can prove that cold-resistant creatures like ice worms may also exist on alien planets.
They walk freely in the ice, live actively in the low temperature of the polar region, and turn into a sticky mass when they warm up slightly.
Xu Qiu frowned.
Polar ice worms are one of the few creatures that are active at extremely low temperatures. They are the largest invertebrates and the most active creatures in the frozen land.
The suitable temperature for this kind of organism is more than 100 degrees below zero. Moreover, the ice worm's cell membrane and cell enzymes can still maintain normal metabolism at low temperatures, and the cell membrane maintains its inherent elasticity.Ice worms are not only resistant to freezing but also resistant to hunger.Scientists once put several ice worms in the refrigerator for study.Two years have passed, and the ice worms, which do not eat or drink, are still tenaciously surviving in the refrigerator.
If the only disadvantage is that it is afraid of heat.
When the temperature is close to zero, the polar ice worms can hardly survive. If the temperature is higher than zero, the ice worm cell membrane will melt, and the enzymes in the cells will also turn into a pile of hay-like sticky matter. "This kind of creature exists now."
Xu Qiu frowned and said, "Besides, the number is still huge. As social animals, polar ice worms usually appear in groups of hundreds. What does it have to do with the recovery of ancient organisms?" The total number of polar ice worms is extremely large.
Not long ago, scientists conducted a sampling survey on the White River Glacier, and calculated that the average density of polar ice worms was [-] per square meter.
This means that there are more than 7 billion polar ice worms on the White River Glacier with a total area of [-] square kilometers.
This kind of thing, let alone one,
As long as there is no living body in an area with a temperature above zero, there is nothing to be surprised about.
However, Sha Weizhao still had a puzzled and surprised expression on his face, and said, "Director Xu, these polar ice worms were not found on the surface of glaciers or in the shallow layers..." Indeed,
Polar ice worms are very common in glaciers.
The consumption of this kind of organism is very small, and it can maintain life by relying on the surface of the ice layer or the shallow layer of early spring, pollen or other digestible residues.
This kind of creature does have a way to break the ice.
Moreover, for a long period of time, this kind of extremely tiny creature, which can die when it is lightly pressed, can walk naturally through solid ice. This fact has shocked many scientists.At present, no one still knows why polar ice worms can move freely through solid ice.
Several mainstream views hold that,
The size of the polar ice worm is too small, so it drilled into the gap in the ice layer and entered the ice layer.
Alternatively, polar ice worms have ice-melting substances in their bodies.
Whenever they walk through the ice, the cells in the body release energy, melting the surrounding ice and forming a channel, just like "a hot knife cuts butter".
Among the many snow fleas, snow nematodes and snow spiders,
The extremely low ice worm is the most amazing animal.
The thick fur of the polar bear insulates it from the low temperature of the outside world and can store energy itself.
There is antifreeze in the Antarctica's blood, which enables it to live as usual in the ice and snow.
However, naked, tiny ice worms, what do they use to keep warm, or even wear ice?
What's more... it's going through ancient ice hundreds of meters thick! !
Sha Weizhao said with a serious face, "Director Xu, if polar ice worms are found on the surface of the ice layer, or within a few meters of the ice layer, then of course it is not surprising.
However, this polar ice worm was discovered in the ice core after we drilled into the ice layer at a depth of several hundred meters...
A few hundred meters away, there are living polar ice worms... This is beyond the scope of our current biology and snow animal science! "
It's like, 3000 meters under the sea, there is a group of human beings, without any equipment to resist pressure and ensure oxygen intake, as if they are living on the surface...
At this moment, countless people looked over in shock.
Under the ice layer hundreds of meters thick, there are polar ice worms? !
Let's not talk about how it can survive in such an underground place, the key is... How could it reach hundreds of meters underground!
Xu Qiu also realized the irrationality.
"Professor Sha, you mean that this polar ice worm may be related to the recovery of paleontology?"
Sha Weizhao nodded heavily, and said, "Yes...
Director Xu, the polar ice worm, was excavated from under the ice cap of the North Pole.
Moreover, among polar animals, there are few that are more miraculous and unpredictable than polar ice worms! "
As of today, there are still too many mysteries in the polar ice worm!
such as,
Polar ice worms lead a nocturnal life, and generally only appear after three o'clock in the afternoon. The cold evening is the peak time for their activities to reach the surface of the glacier.
In the morning, they will dive several meters deep under the ice to hide.
These are reasonable,
It is also in line with the living habits of polar animals and low-temperature animals.
However.…
The most surprising thing is that,
Extremely afraid of the hot polar ice worms, the peak activity season is summer!
In the cold winter, scientists almost never find traces of polar ice worms!
For example, Sha Weizhao found polar ice worms in the ice core under the ice layer several hundred meters thick this time, and it was also in the hot summer!
This is too unreasonable.
The only creature that can't freeze to death, has the characteristics of alien life idealized by scientists, strange life habits, etc., all of a sudden make the polar ice worms covered with a veil of mystery.
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