The DNA Landscape provides a research and learning tool that describes figures of DNA in two dimensions: scale and abstractness. Undergraduate biology textbooks tend to focus on particular parts of the landscape, but overuse of certain types of images may not be optimal for learning.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.