GrantsNet is a searchable database of funding opportunities in biomedical research and science education. It contains programs that offer training and research funding for graduate and medical students, postdoctoral fellows, and junior faculty, as well as programs in science, math, engineering, and technology for undergraduate faculty and students. Sponsored by the American Association for the Advancement of Science (AAAS) and the Howard Hughes Medical Institute. Service is free, but individuals must register to search.