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  • Teacher Guide: AP Biology

    Teacher Guide: AP Biology

    Teacher Guide

    This guide correlates all the resources available on the Holiday Lectures on Science DVDs and throughout the website to specific Big Ideas, Enduring Understandings, and Essential Knowledge threads of the new AP® Biology Curriculum Framework. 

  • Vaccines and HIV Evolution

    Vaccines and HIV Evolution


    (58 min 29 sec) The search for an effective HIV vaccine, and advances in genomics that may lead to a breakthrough.