Technology News丨The US hypersonic missile failed three times in a row; Sanxingdui Ruins and Jinsha Ruins jointly applied for World Heritage

【Today’s cover】

In winter, tens of thousands of winter cherry trees are in full bloom in the thousand-acre tea garden of Wuliangshan Cherry Blossom Valley in Nanjian Yi Autonomous County, Yunnan Province, as bright as clouds and like a picture scroll. Photo by Shi Zhihong, source: Xinhuanet

News Station

Image source: China Live

●On the 18th, at the press conference of the Joint Prevention and Control of the State Council, Liang Wannian, head of the expert group of the National Health Commission's epidemic response and disposal leading group, said that whether to "stay in place for the Spring Festival" during the Spring Festival should be based on risk assessment, and the whole country cannot "cut one size fits all". All regions should conduct comprehensive analysis and evaluation and introduce relevant policies according to local conditions. (Source: Science and Technology Daily)

Image source: China Meteorological Administration

●On the 18th, the China Meteorological Administration released the first national greenhouse gas observation network directory in my country, which means that after nearly 40 years of construction, my country's first greenhouse gas observation network has been basically completed. This move will further enrich the layout of my country's ground meteorological observation stations, enhance the ability to monitor and assess climate change, and continue to provide data support for the scientific assessment of the effectiveness of my country's carbon peak and carbon neutrality actions and carbon emissions accounting. (Source: Science and Technology Daily)

Image source: Xinhua News Agency

●On the 18th, the Sanxingdui Site Management Committee in Guanghan, Deyang, Sichuan and the Jinsha Site Museum in Chengdu signed the "Sanxingdui Site and Jinsha Site Joint World Heritage Application Cooperation Agreement", and the two sides will cooperate in the application and research, display and exhibition, publicity and promotion of world cultural heritage. (Source: Xinhua News Agency)

New findings

Image source: China News Network

●On the 17th, the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences announced that its research team recently discovered two hogtooth fossils about 48 million years old in the Erlian Basin in Inner Mongolia. One of them was named "Ashantou Hogtooth" and the other was an undetermined species of hogtooth. (Source: China News Network)

Pure Technology

Image source: CCTV News Client

●On the 18th, the first self-developed intrinsically secure switching chip "Xuanwu Core" ESW5610 was officially released to the public. The chip was developed by the Information Technology Innovation Center of Tianjin Binhai New Area and is the result of a major national "core high-tech" science and technology project. It aims to solve the network security problems of my country's energy, finance, transportation, electricity and other high-security information infrastructure. (Source: CCTV News Client)

●Recently, the team led by Professor Zhang Deqiang of Beijing Forestry University published a research paper in the Journal of Plant Biotechnology. The study used poplar as a research model and used single-cell sequencing technology, genome analysis, RNA in situ hybridization, callus genetic transformation and other technologies to establish a single-cell transcriptome map of the secondary xylem of poplars, reconstructed the complete secondary xylem cell population of poplars, identified the key transcription factors that regulate the xylem development process, and systematically answered key scientific questions such as the secondary xylem cell development process, cell-specific expression patterns, and redundant characteristics of regulatory factors. (Source: China Science Daily)

See the world

Data map: A "drive-thru" COVID-19 testing station set up at the Alemany Farmers Market in San Francisco, California, provides testing services to citizens. Photo by Liu Guanguan, a reporter from China News Service

●The director of the Centers for Disease Control and Prevention (CDC), Walensky, said at a White House press conference on the 17th local time that the Omicron strain is expected to become the dominant new coronavirus strain spreading in the United States in the coming weeks. (Source: China News Network)

Image source: Global Times

●According to a report by The Drive website on the 17th, the weapons command of the U.S. Air Force Life Cycle Management Command confirmed that the AGM-183A new hypersonic missile test failed on December 15. The U.S. Air Force said that the cause of the test suspension has not yet been determined. This is the third test failure of the AGM-183A new hypersonic missile. The missile previously failed in test launches in April and July this year. (Source: The Paper)

Editor: Zhang Qiqi

Reviewer: Wang Xiaolong

Final review: Liu Haiying

Source: Science and Technology Daily