BOSTON—A fur trader who suffered an accidental gunshot wound in 1822 and the physician who saw this unfortunate incidence as an opportunity for research are key to much of our early knowledge about ...

Your liver is essential to your good health. The liver is an important part of the digestive system. It performs more than 300 different function in the human body. Learn more about the liver.

Scientists can have an inside look at the digestive system by studying very special cows. Follow a University of Idaho scientist as he explains how cows digest their food by opening a unique portal ...