b'Physician-astronaut Michael Barratt, MD, Physician-astronaut Michael Barratt, MD, discusses the impact of space travel on the human body discusses the impact of space travel on the human body. Upstate pathology and urology professor Jeffrey Ross, MD,. Upstate pathology and urology professor Jeffrey Ross, MD, explains how a genetic understanding of a person's cancer leads to more precise treatment explains how a genetic understanding of a person's cancer leads to more precise treatment. Syracuse University linguistics professor Tej Krishan Bhatia, PhD,. Syracuse University linguistics professor Tej Krishan Bhatia, PhD, tells how speech relates to health care. tells how speech relates to health care.'