ScienceDirect is an information source for scientific, technical, and medical research. (Updates vary). UW-Madison has licensed a subset of Elsevier ejournals and ebooks through ScienceDirect. This subset includes more than 700 journals and more than 1000 ebooks in a wide range of subject areas. For a list of the titles, go to the Science Direct website at www.sciencedirect.com. Each subscribed journal is also accessible from the Catalog.