【Today’s cover】 New findings Image source: Washington University School of Medicine in St. Louis, USA ●Recently, researchers at Washington University School of Medicine in St. Louis, USA, discovered an antibody called SARS2-38. This antibody is highly resistant to multiple new coronavirus variants at low doses and is unlikely to lose its effectiveness when the virus mutates. The relevant paper was published on the website of Immunity, a top international immunology journal. (Source: Science and Technology Daily) Image courtesy of Anhui Normal University ●Recently, Wang Ying, Liu Kun and other teachers from Anhui Normal University jointly discovered a new genus of Amaryllis. In order to pay tribute to Professor Zhou Shoubiao of the School of Ecology and Environment of the university who has been committed to the research of Amaryllis plants for a long time, the researchers named this new genus of Amaryllis Shoubiao Garlic and the new species Yunnan Shoubiao Garlic. The research results were officially published in the international classic taxonomy journal "Nordic Botanical Journal". (Source: Science and Technology Daily) An artistic image of the newly discovered asteroid 2021 PH27 orbiting the sun. Source: Space.com ● According to a report by Space.com on the 23rd, scientists have discovered a new asteroid 2021 PH27 in the solar system. It only takes 113 Earth days to orbit the sun, which is faster than any other known asteroid in the solar system. (Source: Science and Technology Daily) Pure Technology Schematic diagram of the deformation of the polymer surface induced by the surface tension of the droplet. Photo provided by the interviewee ●According to the news from Zhejiang University of Technology on the 24th, the team of Associate Professor Zuo Biao of the university, together with scholars from the United States and Japan, discovered that the hard and brittle polymer plastic surface actually exhibits rubber-like mechanical behavior through studying the surface polymer movement mechanism. This new discovery deepened the academic community's understanding of the nature of many interface phenomena such as wear, friction, adhesion, and self-healing of polymer materials. (Source: Science and Technology Daily) Schematic diagram of cosmic ray protons and electrons producing gamma rays. Source: Nagoya University Astrophysical Laboratory ●Where do cosmic rays originate? According to the latest research published in the Astrophysical Journal, astronomers from Nagoya University in Japan have successfully quantified the proton and electron components of cosmic rays in supernova remnants for the first time. Based on the imaging analysis of radio, X-ray and gamma-ray radiation, at least 70% of the ultra-high-energy gamma rays emitted by cosmic rays are caused by relativistic protons. (Source: Science and Technology Daily) Research report on climate restrictions affecting human "out of Africa". Source: Nature Communications online version ●A human evolution study published in the British journal Nature Communications on the 24th pointed out that scientists used paleoclimate reconstruction and estimates of the minimum rainfall required for hunter-gatherers to survive to analyze that the "Out of Africa" may have been helped by favorable weather conditions and wet passages to Eurasia at the time. The simulated time and route are consistent with archaeological and genetic evidence, indicating that there may have been multiple migrations out of Africa in the past 300,000 years. (Source: Science and Technology Daily) See the world File photo: On April 12, local time, outside the Prime Minister's Office in Tokyo, local residents held a rally to protest against the Japanese government's plan to discharge purified water from the stricken Fukushima nuclear power plant into the sea. ●The Japan Broadcasting Corporation said on the 24th that the Japanese government and Tokyo Electric Power Company have basically decided to drain the wastewater from the Fukushima nuclear power plant into the sea about 1 km from the coast by building an undersea tunnel. TEPCO plans to investigate the seabed conditions in September 2021 and eventually complete the construction of the undersea tunnel in the spring of 2023. (Source: China News Service) Grand View Garden "Giant Pumpkin." Photo courtesy of the Publicity Department of Pidu District Committee ●Recently, a rural complex in Pidu District, Chengdu, Sichuan, cultivated a 200-jin "giant pumpkin". The person in charge said that this giant pumpkin grows at an amazing speed and can be cultivated in about 4 months. The average weight of a mature pumpkin is more than 200 jin, and it takes four or five people to lift it. (Source: People's Daily Online) Editor: Liu Yiyang Reviewer: Wang Xiaolong Final review: Liu Haiying Science and Technology Daily |
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