Training Class: Bioinformatics and Biology Essentials for Librarians: Databases, Tools, and Clinical Applications, January 16 - April 22, 2024. NLM Tech Bull. 2023 Nov-Dec;(455):b3. Learn about bioinformatics, the data science of biology! The Network of the National Library of Medicine (NNLM) is pleased to open registration for the eleventh cohort of Bioinformatics and Biology Essentials for Librarians: Databases, Tools, and Clinical Applications.