The Rockefeller University (the University) is a world renowned center for research (see schedule O) and graduate education in the biomedical sciences, chemistry, bioinformatics, and physics. The University's 82 laboratories conduct both clinical and basic research and study a diverse range of biological and biomedical problems with the mission of improving the understanding of life for the benefit of humanity. Laboratories are loosely clustered in nine research areas covering a wide spectrum of disciplines in the life sciences, including neuroscience, immunology, genetics, structural biology and bioinformatics. The University does not charge tuition. Its revenues are derived primarily from investment income, government grants and contracts, and private gifts and grants.