These databases contain datasets on a huge variety of topics. They are a great starting point for your research. If you are having trouble finding the dataset you need from one of these sources, you may have more luck with a more specialized resource from one of the following sections on this page.
A research discovery tool that allows students and faculty to access research from many scientific disciplines, including biomedical sciences, chemistry, engineering, and materials science. Registration is required to access SciFinder-n.