This video segment adapted from NOVA, features cancer researcher Dr. Judah Folkman and describes his idea about how tumors grow inside the body. Dr. Folkman's idea focuses on angiogenesis, the formation of new blood vessels. Experiments were designed to test his central hypothesis and thus prove the support mechanism behind tumors. [5:08]

Concepts

cancer

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Additional Tags

angiogenesis, pbs learningmedia: blood vessels help tumors grow, tumor growth

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)