【Today’s cover】 On December 25, in the Huangshayang waters of Rudong County, Jiangsu Province, Asia's first offshore wind power project using flexible direct current transmission technology was fully connected to the grid for power generation. It is understood that the annual grid-connected power generation of the Three Gorges Rudong project will reach 2.4 billion kWh, which can meet the normal electricity demand of about 1 million households for one year. Image source: China Three Gorges New Energy (Group) Co., Ltd. News Station Image source: CCTV News ●According to the China Manned Space Engineering Office, the Shenzhou 13 astronaut crew will conduct their second extravehicular activity in orbit on December 26. Astronauts Zhai Zhigang and Ye Guangfu will perform extravehicular operations, and astronaut Wang Yaping will provide support inside the cabin. (Source: Xinhua News Agency) Image source: Xinhua News Agency ●On December 25, Chang'e 5 backed up and stored lunar samples and "settled down" in Shaoshan City, Hunan Province. It is understood that the storage equipment at the Shaoshan base was designed and developed in a nitrogen-filled environment slightly higher than atmospheric pressure, which can prevent the lunar soil from being affected by various physical and chemical processes, ensuring long-term storage of the lunar soil and maintaining its basic characteristics. (Source: Xinhua News Agency) ●Recently, the Ministry of Finance allocated 810 million yuan for agricultural production and water conservancy disaster relief, of which 500 million yuan was for agricultural production disaster relief, which was used to do a good job in crop and animal husbandry disaster relief after the heavy snowstorm, and to reserve forage for wintering; 310 million yuan was for water conservancy disaster relief, which was used to build drought-resistant water sources for temporary disaster relief, and to carry out water diversion and transportation, etc., to provide favorable conditions for next year's spring sowing and summer harvest of grain. (Source: CCTV News) Pure Technology Image source: Zhejiang University ●Recently, Biomaterials published the results of a team led by Professor Yao Ke from Zhejiang University Eye Hospital and Researcher Zhou Min from Zhejiang University School of Translational Medicine. The team developed a new method for treating corneal trauma based on the combination of exosomes secreted by mesenchymal stem cells derived from induced pluripotent stem cells and thermosensitive chitosan/gelatin hydrogel materials. This method can significantly reduce corneal scar formation and accelerate the healing process, providing new ideas for the treatment of corneal diseases. (Source: ScienceNet) New findings Image source: Jiangxi Provincial Department of Culture and Tourism ●On the afternoon of December 25, more than 30 experts from the national archaeological community jointly demonstrated the results of the archaeological excavation of the Guozi Mountain Tomb in Jiangxi during the Eastern Zhou Dynasty. Through the interpretation of the inscriptions on the two most important unearthed cultural relics, the bronze daggers, it was speculated that the owners of the artifacts were the great-great-grandson of King Gou Jian of Yue and one of Yi's sons. The excavation of the Guozi Mountain Tomb has important academic significance for the archaeological research of the Yue Kingdom and Yue culture. (Source: Science and Technology Daily) ●Recently, a bronze dragon statue was discovered in Sanxingdui Pit 8. It is about 80 centimeters tall, with a tiger-like head and ears, but with long horns and an upward-raised body, like a flying dragon. Archaeologists speculate that the bronze dragon and the snake-bodied human statue on a goblet-shaped urn found not far away are most likely a set of artifacts. If the speculation is ultimately confirmed, this will become another huge Sanxingdui bronze artifact. (Source: CCTV News) Grand View Garden ●The expansion area of the Chengdu Research Base of Giant Panda Breeding will be open on January 1, 2022. The total area of the expanded base has increased from the original 1,035 acres to 3,570 acres, a 2.5-fold increase. The expansion area has built 11 giant panda venues, multiple science and technology venues, and tourist pedestrian streets and other places of interest. After the expansion is completed, it can accommodate about 200 giant pandas. (Source: CCTV News) See the world Data map: United Airlines passenger plane. Source: Associated Press ●According to the Chinese website in the United States, the Omicron strain of the new coronavirus has spread rapidly in the United States in recent days. On the 24th local time, on Christmas Eve, more than 600 flights across the United States were canceled. (Source: China News Service) Source: Science and Technology Daily Editor: Liu Yiyang Review: Yue Liang Final review: Liu Haiying |
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