In Their Own Words: NCI Experts Discuss Synthetic Biology Drs. Daniel Gallahan and Jerry Li of NCI's Division of Cancer Biology talk about the emerging field of synthetic biology. They explain how scientists are using techniques in chemistry, bioengineering, and biology to synthesize new and redesigned biological components to better understand and treat diseases like cancer. Drs. Gallahan and Li also touch on the ethical concerns associated with synthetic biology. For Copyright Notice and Restrictions, please visit our Web site at: