The National Center for Biotechnology Information, or NCBI, is a part of the U.S. National Library of Medicine. It was established in 1988 to provide access to biomedical and genomic information. NCBI hosts a variety of databases, including PubMed, which contains millions of articles related to life sciences and biomedical topics. NCBI also offers tools for researchers, such as BLAST, which helps identify similarities between biological sequences. Additionally, it provides resources for managing and analyzing genetic data, making it a vital hub for scientists and healthcare professionals worldwide.