ProQuest Dissertations & Theses Global is the world's most comprehensive collection of dissertations and theses from around the world, spanning from 1743 to the present day.
Leading, original research across the life, physical and clinical sciences. All the life sciences Nature journals are in the top 10 in their category. 5 of the physical sciences Nature journals are the, primary research journal in their categories. Each journal includes News & Views and Commentaries.