Tulane students may have discovered a previously unknown muscle attachment in the human body; the finding came from anatomy research and could change how doctors understand variation in the way some people move

Cardiologist discovers new heart structure called left atrial septal pouch

Dr. Subramaniam Krishnan, a cardiac electrophysiologist at Sutter Health in Sacramento, has identified a previously unknown anatomical structure in the human heart by careful observation, challenging the century-old assumption that cardiac anatomy was fully understood.