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 ...

Dear Dr. Bob: Please describe the cow's digestive system. -- B.M., St. Augustine. Response: The bovine digestive system, also known as the gastrointestinal tract, is amazing. Along with camels, deer, ...

Portia is a cow at Tufts university. She has been living with a large hole in her stomach since 2002. It looks life-threatening, but it's not. The hole was put there on purpose so scientists can study ...