1. The United States discovered that there is water ice on the moon by hitting the moon
After nearly four months of flight, the U.S. Centauri rocket, lunar crater observation and sensing satellites successively hit the lunar Antarctic region on October 9. This moon-shattering operation caused two dusts: one part was composed of steam and fine dust; the other part was composed of heavier matter. The researchers said that the water ice on the moon may be the "remains" left after being hit by a comet in ancient times. Because such craters have never received sun exposure for billions of years, various types of materials have been able to maintain their "original ecology."
2. The European Large Hadron Collider achieves the first collision and sets a new energy level record
According to a press release issued by the European Nuclear Research Center, the European Large Hadron Collider was restarted on November 20, and the first beam of protons flowed through the entire collider. On the 23rd, the Large Hadron Collider achieved its first collision after restarting. On the evening of the 29th, scientists first accelerated a beam of protons to an energy level of 1.05 trillion electron volts, and then successfully accelerated both beams of protons in the collider to an energy level of 1.18 trillion electron volts in the early morning of the 30th , Setting a new world record.
3. Discover new ways to kill cancer cells
On July 22, British researchers reported in the American Journal of Clinical Examination that they found that antibodies can directly kill cancer cells without the aid of the human immune system. This achievement will help to develop new methods of treating cancer. Antibodies can be used to treat cancer. The basic principle is that when antibodies are combined with cancer cells, the cancer cells will be more easily recognized by the body's immune system, thereby guiding the immune system to kill the cancer cells. The researchers say the discovery can be used to treat cancers that traditional chemotherapy cannot treat.
4. Methane found on Mars
According to the "Science" magazine published on January 16, scientists from NASA Goddard Space Flight Center and University of Maryland used high-dispersion infrared spectrometers equipped on three land-based telescopes to target about 90% of Mars Three Martian years were observed on the surface (one Martian year is equivalent to 687 Earth days), and a plume of methane gas was observed in the northern hemisphere of Mars during summer. Scientists have detected methane in the northern hemisphere of Mars, which means that there may be active geological activities on Mars, and even life may exist.
5. Breakthrough in AIDS vaccine research and development
Researchers from the United States and Thailand announced on September 24 that a "joint vaccine" jointly developed by the two parties could reduce the risk of human infection with HIV by 31.2%. This is the first time that human beings have obtained an AIDS vaccine with immune effects. The World Health Organization and UNAIDS issued a joint statement that day. The results of this test, which represents a major scientific advancement, showed for the first time that the use of vaccines can prevent the infection of HIV among ordinary adults, which is of great significance.
6. A major breakthrough in the research of induced multifunctional stem cells
On March 1, British and Canadian scientists reported on the Nature website that they discovered a method that can safely transform ordinary skin cells into induced multifunctional stem cells. This method not only makes the transformation process unnecessary for the first time. Viruses, and is expected to make biomedical research a farewell to the use of embryonic stem cells. For the first time, British and Canadian scientists have discovered a transformation method that does not use viruses, which greatly reduces the risk of clinical application.
7. The first synthesis of RNA that can be copied infinitely
The new discovery by scientists at the Scripps Research Institute in the United States has taken an important step in answering the biochemical question of how life begins. They have synthesized self-replicating RNA for the first time without any protein and other cellular components This replication can continue indefinitely. This work finally shows that a simpler RNA-based life form is at least possible, which will inevitably push researchers to explore the theory of RNA world model about the origin of life in more depth.
8. The first general-purpose programming quantum computer comes out
This quantum computer was developed by the National Institute of Standards and Technology and can process two qubits of data. Compared with the "0" and "1" bits in traditional computers, qubits can store more information, so the performance of quantum computers will greatly exceed that of traditional computers. General-purpose programming quantum computers use quantum logic gate technology to process data. To manufacture quantum logic gates, a series of laser pulses need to be designed to manipulate beryllium ions for data processing, and then another laser pulse to read the calculation results. The quantum logic gates of this device have been encoded into laser pulses. When the laser pulses perform simple logical operations on the qubits, the beryllium ions will begin to rotate, realizing the storage of the qubits.
9. Discover the oldest primitive human skeleton
An international team of scientists announced the research results on October 1st, saying that the team discovered a female primitive human skeleton of 4.4 million years ago in Ethiopia. This is the oldest primitive human skeleton discovered so far. Scientists' analysis of its characteristics shows that the common ancestor of humans and chimpanzees has very different characteristics from today's humans and chimpanzees. This female primitive belonged to the ancestor species of apes, and scientists nicknamed it "Aldi". A total of 47 scientists worldwide participated in this 17-year study. The United States "Science" magazine published a special issue on October 2, published 11 papers about the study.
10. The world's largest far-infrared telescope and cosmic radiation detector lift off
At 13:12 GMT on May 14, the European Ariane 5-ECA rocket carried the ESA ’s world ’s largest far-infrared telescope "Hersell" and the cosmic radiation detector "Planck" from French Guiana The Kuru Space Center was launched. Although it took only 30 minutes from launch to separation of the satellite and the rocket, it has gathered the hard work and dreams of the 15 European countries participating in this project for many years. The observations of these two exploration satellites will be able to subvert human understanding of the universe. Mankind has taken another step towards exploring the origin of the universe.
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