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    Teacher Guide: AP Biology
    Classroom Resource
    This guide correlates all the resources available on the Holiday Lectures on Science DVDs and throughout the BioInteractive.org website to specific Big Ideas, Enduring Understandings, and Essential Knowledge threads of the new AP® Biology Curriculum Framework. 
    Teacher Guide: Immunology
    Classroom Resource
    Topics include: Immunology, HIV immune response and drug development, ELISA, CCR5 co-receptor mutation, vaccine development, dengue fever, and immunological response
    Poster: HIV Life Cycle and Drug Targets
    Classroom Resource
    The poster from the 2007 Holiday Lectures on Science, AIDS: Evolution of an Epidemic. It shows each stage of the HIV life cycle and highlights points in the cycle that have been targeted by anti-retroviral drugs.
    Adhering to an antiretroviral regimen
    Video Clips
    Adam Barrett describes his seven-drug antiretroviral regimen and the importance of adherence.
    Adherence and resistance
    Video Clips
    Adam Barrett, a nurse who is HIV positive, discusses his first symptoms and the challenges of adhering to a drug regimen.
    CTL killing a target cell
    Video Clips
    Video microscopy of a cytotoxic T lymphocyte in action.
    Interview with Katie Walter
    Interview
    An interview with Katie Walter, an undergraduate who discusses what it's like to be in a lab doing scientific research.
    AIDS: Evolution of an Epidemic
    Series
    Why has it been so hard to develop a vaccine against HIV? How are new medicines revolutionizing AIDS treatment? Can AIDS be cured?
    From Outbreak to Epidemic
    Lectures
    The genesis of AIDS, identifying HIV as the virus that causes AIDS, and the modern global epidemic.
    AIDS and the HIV Life Cycle
    Lectures
    The HIV life cycle, and how the virus destroys the immune system's ability to respond to infection.
    Vaccines and HIV Evolution
    Lectures
    The search for an effective HIV vaccine, and advances in genomics that may lead to a breakthrough.
    Fighting Viruses in the Lab and Beyond
    Lectures
    Understanding the immune response is essential to developing safe vaccines for dengue and other diseases.
    Viral Outbreak: The Science of Emerging Disease
    Series
    Watch two leading virus reasearchers explain how they use both simple and sophisticated technologies to detect and fight infectious agents.
    How Immune Cells Create Trillions of Receptors from a Few Hundred Parts
    Lectures
    The human body has at least a trillion ways of recognizing that something foreign has invaded.
    How the Immune System Detects Invaders
    Lectures
    The immune system recognizes invaders in a complex way.
    How the Host Avoids "Friendly Fire"
    Lectures
    Normally the trillions of lymphocytes in the human body do not attack their host. 
    Stalking the Elusive Pathogen
    Lectures
    Some organisms have evolved ways of evading or subverting the body's defenses.
    The Immune System: Friend and Foe
    Series
    A wide overview of the immune system, presented by HHMI investigators John W. Kappler, PhD, and Philippa Marrack, PhD
    Cloning an Army of T Cells for Immune Defense
    Animation
    View the animation to see how one type of immune cell—the helper T cell—interprets a message presented at the surface of the cell membrane. The message is an antigen, a protein fragment taken from an invading microbe. A series of events unfolds that results in the production of many clones of the...
    Molecular activity in Aplysia short-term memory
    Animation
    Short-term memory relies on serotonin activating a protein kinase to modify existing synaptic strength.
    Antigen presentation and CTL
    Animation
    How a cell infected by a virus signals cytotoxic T lymphocytes to kill the cell before the virus replicates and spreads.
    Protease inhibitors
    Animation
    Protease inhibitors prevent maturation of viral proteins inside HIV particles.
    Immunology Virtual Lab
    Virtual Lab
    This virtual lab teaches the procedures of performing an ELISA test to determine whether a particular antibody is present in a patient's blood sample.
    Cells of the Immune System
    Click & Learn
    An overview of the immune system, concentrating on the roles played by B and T lymphocytes, and the antigen-presentation system.