Friends who have seen ice age, do you still remember the lovely mammoth in it? Mammoth is tall and powerful, comparable with dinosaurs, can be called the “leader” of that era.
But why did the mammoth die out ten thousand years ago? Can scientists revive mammoths through modern science and technology?
Why did mammoths die out?
Mammoths have existed on the earth for more than 6 million years. It is found that their living remains can be found in most parts of the world, especially in the permafrost of Siberia. Many complete mammoths have been preserved. It is said that there are 150 million mammoths buried underground.
The quantity is amazing! So far, there is no accurate explanation about the extinction of mammoths.
Some people speculate that the extinction of mammoths was caused by human unrestrained hunting. At that time, human beings had entered the stone age and gradually replaced the status of mammoth as the overlord, and the demand for meat and fur was also increasing. For mammoth, which was slow to breed, it was not a rival of human beings at all, so it was extinct.
Some people speculate that with the continuous warming and heating of the earth’s climate, mammoths are difficult to adapt. Their fur is very thick and their heat dissipation is not good, so they have a lot of skin diseases. Moreover, mammoths are herbivores. Because of their large size, they are very dependent on some nutrients in the plants they eat. Climate change affects the growth of plants and indirectly leads to the extinction of mammoths.
Others speculate that the impact of an asteroid on the earth caused the meteorite to fall, just like the extinction of dinosaurs, and the mammoth was extinct.
Scientists prepare to resurrect mammoths
With the global warming, the ice and snow in the permafrost layer of northern Russia is gradually melting, so the mammoth corpses, some of which have skin and meat, have also appeared.
The appearance of intact bodies is a very happy and exciting thing for scientists, because with these intact bodies, they can better study the animals of this ice age, and maybe revive them.
Sure enough, the announcement of mammoth “solid fossil” attracted the attention of scientists.
The relevant research team of Kinki University in Japan took bone marrow and muscle samples from a mammoth corpse named “Yuka”, which has been preserved for 28000 years and is in good condition in Siberia, Russia, and collected 88 nuclear like structures.
And it was injected into mouse oocytes. For control, the nucleus of elephant was also prepared and injected into mouse oocytes. It was found that the egg cell with mammoth nucleus had the activity before cell division.
Unfortunately, in the end, there was no real scene of cell division.
Theoretically speaking, if we can obtain complete DNA information and find a close relative (Asian elephant) of mammoth as surrogate mother, mammoth will be “resurrected” and reappear to the earth.
Xiao Bian thinks that according to the above, it may not only be mammoths that can be resurrected in the future, but also many extinct animals may be resurrected on the earth.
But is the return of these extinct animals a good thing?
Scientists still have some disputes about this. Some think that natural selection is the way of natural selection after all.
If the extinct creatures reappear, it is likely to endanger the existing animals, and even a great threat to human beings.
Is this “throwing watermelon and picking up sesame”? My friends, what do you think? Welcome to comment area to express your opinions!