American Cancer Society
American Cancer Society: Overview: Breast Cancer
This excellent site covers all the issues related to breast cancer. Topics include the causes of breast cancer, risk factors, prevention, early detection, diagnosis, staging, treatment, questions for your doctor, after treatment, and so on.
National Cancer Institute at the National Institutes of Health
National Cancer Institute: Cancer Topics
This site provides information on virtually every type of cancer. Information can be found on prevention, causes, detection, treatments, research, and support groups.
TeachEngineering
Teach Engineering: Using Stress and Strain to Detect Cancer
In this project, students are challenged to answer the question "Is there a way to detect the presence of tumors that isn't as painful as mammography but more reliable and quantifiable than a breast-self exam or clinical breast-exams?"....