The National Institutes of Health (NIH-National Institutes of Health) is a medical and behavioral research institute in the United States, founded in 1887. Its headquarters are located in Baltimore, Maryland, USA. Its main mission is to explore and fully apply the fundamental knowledge of the nature of life and behavioral science to obtain the extension of human life and the prevention, diagnosis and treatment of disease.

The website is the official website of the Cayman Islands Government (CIGCayman Islands Government (Cayman Islands Government) official website, mainly provides an overview of the Cayman Islands, government institutions, functional introduction, administrative news, the latest news, etc.. The website language is English. Cayman Islands (Cayman Islands; also translated as: Cayman Islands) is located in North America, the capital of Georgetown, the official language is English, the ministerial system, the Governor on behalf of the Queen, appointed by the Queen, responsible for foreign affairs, defense, internal security and public service, and is the Chairman of the Executive Council.

The American The American Automobile Association (AAA) was founded in Chicago on March 4, 1902, by nine automobile clubs from affluent and influential areas of the United States to improve automobile reliability, fight for better roads, and urge Congress to pass a unified transportation law.

The American Library Association ( The American Library Association (ALA), the world's most influential library association, was founded in 1876 to promote the interests of libraries worldwide, with its principal founders being J. Wenzel, W.F. Poole, and M. Dewey, and is headquartered in Chicago. ALA has an office in Washington, D.C., and an editorial office for Choice in Middletown, Connecticut.

United Nations Office on Drugs and Crimes ( The United Nations Office on Drugs and Crimes (UNODC) was formed by the merger of UNDCP and the United Nations Crime Prevention Center in 1997 and is headquartered in Vienna, Austria.

The American Cancer Society (The American Cancer Society (ACS) is a voluntary health organization founded in 1913, headquartered in Atlanta, with approximately 900 offices and thousands of volunteers nationwide, dedicated to the elimination of cancer.

The National Cancer Institute ( The National Cancer Institute (NCI) is one of the cancer research and training institutions established to coordinate the national cancer program.

UnitedThe United Nations Population Fund (UNFPA) was originally a resolution passed by the General Assembly in 1966 urging the United Nations to provide technical support in population; it was later established as the Trust Fund for Population Activities in 1967; it was named the United Nations Population Fund in 1969 and began formal operations; it was officially renamed the United Nations Population Fund (UNFPA) in 1987. In 1987, the name was changed to United Nations Population Fund (UNFPA), with headquarters in New York. The agency aims to increase knowledge and capacity in population activities to respond to national, regional and worldwide needs in population activities and family planning; in addition, it helps developing countries to solve population problems, such as providing financial assistance.

The U.S. Federal Reserve System (The The Federal Reserve System (Federal Reserve; Federal Reserve; abbreviation: Federal Reserve) is the central bank of the United States, empowered by the U.S. Congress, established in 1913, headquartered in Washington, D.C. Central Management Board, in addition to 12 regional Federal Reserve Banks in major cities in the United States. The Federal Reserve is composed of the Federal Reserve Board, the Federal Reserve Banks and the Federal Open Market Committee. Its main responsibilities are: to formulate monetary policy; to supervise banks and protect consumer credit rights; to maintain financial stability; and to provide reliable financial services to the government, the public, financial institutions and foreign institutions. Ben Bernanke is the current top official of the Federal Reserve.

The International Wildlife Conservation Society ( The Wildlife Conservation Society (WCS) is the world's largest nonprofit, nongovernmental wildlife conservation organization, founded in 1895 and headquartered in New York City to protect wildlife and their habitats. In the 1980s, the WCS began its work in China, and gradually launched the Western Qiangtang Conservation Project, the Northeast Tiger Conservation Project, the Reptile Project, and the South China Wildlife Trade Project, and established the China Border Wildlife Defender Award.

The website for the National Aviation Weather Center ( The website is the official website of the Aviation Weather Center (AWC), which provides timely and accurate weather information for the world's aviation systems. The National Aviation Weather Center is a subordinate agency of the National Aeronautical Weather Center.

RAND The RAND Corporation, one of the world's most influential think tanks, was spun off from the Douglas Corporation in May 1948 to become an independent think tank. It is a non-profit organization that aims to promote the future welfare of the American public and enhance social security through philanthropy, education and technology. At its inception, RAND provided intelligence and analysis services primarily for the U.S. military, and then gradually developed into an organization that provides intelligence and research services for other governments or groups.

The B612 Foundation (B612 Foundation) is a private foundation in the United States, founded in 2002, dedicated to avoiding asteroid impacts on Earth, with the immediate goal of finding ways to significantly alter the trajectory of asteroids.

The American Society for Testing and Materials (ASTM ASTM International (ASTM) is an international standardization organization founded in 1898 and headquartered in West Conshohocken, Pennsylvania, USA, that develops and publishes voluntary consensus technical standards for materials, products, systems and services.

The Association of Computing Machinery ( The Association of Computing Machinery (ACM) is an international computing organization founded in 1947 with more than 30 interest groups that provide information and services related to computing for its members.