Howard Hughes Medical Institute - Studying the biological mysteries that underlie health and disease and committed to enhancing science education through grants to schools, museums, and universities.
Ask a Scientist - Get thoughtful, serious answers to your science questions in a wide range of biological disciplines from scientists at the Howard Hughes Medical Institute.
BioInteractive - Includes a virtual lab, animation clips, a virtual museum, and more learning modules for budding biologists.
HHMI Holiday Lectures on Science - Webcast lectures on human genetics, cardiovascular biology, and the role of kidneys in hypertension; designed for high school students.