sondra mallen
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Share a little bit of science every day
Stories (65/0)
The brain of octopus is very developed, can it surpass humans and become intelligent creatures?
When it comes to octopus, everyone may think that it is just an ordinary food. However, from the perspective of the neural structure of the brain, it is much more powerful than humans. Octopus has 3 hearts, 1 main brain and 8 complex brains, as well as two sets of memory systems, and there are 500 million neurons in the brain. The unique neural structure of the octopus makes it have the ability to think beyond that of ordinary animals.
By sondra mallen2 years ago in Earth
After 5 billion years, the sun becomes a red giant star, what is the process of destroying the earth? Do humans have time to escape?
From this time point, 5 billion years is still too far away. The history of human beings is only 6 million years, and civilization in the true sense is about 5,000 years old. Now many people worry about whether the earth can survive for hundreds of years under the destruction of human beings. Is it too far to think about what will happen 5 billion years from now?
By sondra mallen2 years ago in Earth
Is the contest between the Siberian tiger and the North American brown bear evenly matched or unilaterally crushed?
The Siberian tiger is the top hunter in the cat family, and the brown bear is the heavyweight player in the bear family. If the two of them go head-to-head, who is more powerful?
By sondra mallen2 years ago in Earth
There are all kinds of strange stars in the universe, one is bigger than the other, is there an upper limit?
There are all kinds of strange stars in the universe, one is bigger than the other, is there an upper limit? Leibniz, who created calculus independently of Newton, once said: "You can't find two identical leaves on the earth." From one aspect, it can be understood that Leibniz recognized the diversity of the world sex. Not only the creatures on earth have this characteristic, but when looking at the solar system, the Milky Way, and the universe, there are always subtle differences when looking at the solar system, the Milky Way, and the universe.
By sondra mallen2 years ago in Earth
How do black holes eat stars? Scientists show the whole process of phagocytosis time and time again
Black holes are the most mysterious celestial bodies in the universe. Scientists have been trying to solve the mystery of black holes since the last century. Due to the strong gravity of black holes, even light cannot escape, so people cannot directly observe the true situation of black holes. The glowing material accretion disk around the black hole is used to observe the black hole. Usually, the accretion disk around the black hole is composed of torn stellar debris. However, the process of the black hole swallowing the star has always been only in the theoretical stage.
By sondra mallen2 years ago in Earth
Can a person know that he is dead at the moment of death? After collecting a lot of information, I finally found the answer
The moment life is born, it is destined to have the moment of death. This is the eternal law of nature. In general, birth is a joyful event, and death is a sad and terrifying event, but it is a moment that each of us has to face in the end. Parents who are older than us may leave this world first, and children younger than us may also leave this world first in an accident. At this time, the attitude towards death is particularly important.
By sondra mallen2 years ago in Earth
Cremation is a serious waste? Animals will return to nature after death. Why do humans break the laws of nature?
Death is the fate that every individual cannot escape, including human beings with advanced technology. Before the emergence of human civilization, after the death of human beings, the remains will re-enter the ecological chain, such as: sky burial, scavenger vultures will come to destroy human remains, and then leave the remains that are difficult to destroy for people to bury, these remains will be buried again after burial Decomposed by the decomposer, the energy is reused.
By sondra mallen2 years ago in Earth
Why are scientists afraid to bring Martian soil back to Earth? What will the consequences be?
Since the 1860s, with the continuous development of people's aerospace technology, people have also successfully left the earth, taking the first step to explore space, which is also a very important step.
By sondra mallen2 years ago in Earth
We underestimated "Reaper" vultures, whose stomach acid is strong enough to corrode metals and prevent outbreaks in grasslands
Without vultures in the grasslands, it might seem like nothing to us, but in India and Nepal, as vulture numbers dwindle, the local area is becoming a breeding ground for the virus.
By sondra mallen2 years ago in Earth
Antarctic discovers "deep sea elves", known as ice fish, that have been living in low temperature environments
There are thousands of living beings on the earth where you live. Even after several evolutions and declines, there are still tens of millions of creatures, and there are also many creatures that are difficult for everyone to grasp. above.
By sondra mallen2 years ago in Earth