0:00 来源：人民日报微博 2019年的今天，"人民科学家"、著名病毒学专家顾方舟逝世，享年92岁。他牵头研制的"糖丸"，消灭了 我国的小儿麻痹症，使数十万儿童免于致残。他为几代中国人带来健康，却说自己一生只做了一颗小小 的"糖丸"↓↓ ...

Core Viewpoint - The article highlights the contributions of patriotic scientists in China, emphasizing their dedication and sacrifices for the nation's progress and development [1][16]. Group 1: Contributions of Scientists - Qian Weichang, despite his initial struggles in physics, chose to pursue science to serve the country, embodying the spirit of "the needs of the nation are my profession" [4]. - Hua Luogeng, upon hearing about the founding of New China, wrote an open letter urging overseas students to return and contribute to the nation, inspiring many top scientists to come back [6]. - Huang Xuhua dedicated 30 years to developing China's first nuclear submarine, prioritizing national duty over family [6]. - Gu Fangzhou developed a polio vaccine, personally testing it on his own child to ensure its safety, ultimately saving millions of children [6]. Group 2: Research and Innovations - Yuan Longping spent seven years searching for a natural male-sterile rice variety, leading to breakthroughs in hybrid rice research, aiming to eliminate hunger [8]. - Tu Youyou, through extensive research, developed artemisinin, a drug that has saved approximately 6.2 million lives globally [11]. - Deng Jiaxian risked his life during a nuclear test to collect debris, demonstrating his commitment to national security and scientific advancement [13]. - Nan Rendong dedicated 22 years to the construction of the world's largest radio telescope, FAST, showcasing perseverance in scientific endeavors [15]. Group 3: National Pride and Innovation - Ma Weiming led a 20-year effort to develop a key technology for naval power systems, achieving a breakthrough that surpassed American technology [15]. - The article concludes with a reflection on the sacrifices made by these scientists, emphasizing that the nation's stability and progress are due to their relentless efforts and dedication [16].