Scientists are developing a saliva test that has had some success in diagnosing cancers of the head and neck. Joseph Califano from John Hopkins Medical Institutions explains how it works. Aired Jan. 4, 2008 [12:29 min]

This video discusses the biological phenomenon known as the Epithelial-Mesenchymal Transition (EMT) and the role it plays in driving metastasis. It focuses on several novel methods for targeting this process in a clinical setting; the...

Researchers have identified an instance of a pregnant mother transmitting cancer cells to her offspring.

We'll hear about an approach to targeted cancer therapy that uses nanoparticles of fat to deliver a gene therapy to tumor cells.

A look at potential new cancer treatments, including oncolytic viruses and hyperthermia.

A new study says a dog did better than conventional tests in identifying patients with cancer.

A early study shows promising using viruses to find and kill cancer tumors.

Ira talks with cancer researcher Robert Weinberg about the frontiers of cancer research.

Understanding the genetic drivers of cancer may revolutionize treatment options in the future.

Cancer researcher Harold Varmus discusses how scientists' understanding of cancer has evolved.