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 ...

In the 1966 sci-fi film Fantastic Voyage, a group of scientists ventures inside the body of an injured colleague to save him from a life-threatening blood clot. They get a front-row seat to the ...

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.