This lesson, presented by the National Nanotechnology Infrastructure Network, focuses on diagnostic methods of investigation looking at the issue of HIV/AIDS. In this activity, students will explore "the societal impacts of engineering and science, specifically as it relates to the AIDS epidemic in developing countries. A series of videos and accompanying questions help students explore how engineers and scientists can contribute to various solutions related to diagnosing and preventing the spread of disease. The activity highlights the development of low-cost paper diagnostics for rapid and private diagnosis of AIDS and diseases 
related to AIDS (TB, other sexually transmitted diseases, etc.)." This activity will take two 50 minute classroom sessions. A Teacher Preparation Guide, Next Generation Science Standards for this lesson, and a link to George Whitesides video used in lesson video from the NY Times are included.