###Live Caption:Researcher Linda Buck of the Fred Hutchinson Cancer Research Center in Seattle, Wash., seen in this undated photo, and her colleague Richard Axel of the Howard Hughes Medical Institute at Columbia University in New York were awarded the 2004 Nobel Prize in physiology or medicine on Monday, Oct. 4, 2004, for their efforts to better understand the sense of smell. (AP Photo/ Howard Hughes Medical Institute, Dan Lamont)###Caption History:Researcher Linda Buck of the Fred Hutchinson Cancer Research Center in Seattle, Wash., seen in this undated photo, and her colleague Richard Axel of the Howard Hughes Medical Institute at Columbia University in New York were awarded the 2004 Nobel Prize in physiology or medicine on Monday, Oct. 4, 2004, for their efforts to better understand the sense of smell. (AP Photo/ Howard Hughes Medical Institute, Dan Lamont)###Notes:###Special Instructions:NO SALES PHOTO RELEASED BY HOWARD HUGHES MEDICAL INSTITUTE Photo: DAN LAMONT