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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Allie Mac Kay was live from the Discovery ...

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, ...

At first glance, cow digestion seems unremarkable: a bit of grass, chewing cud–done. But behind this seemingly simple process lies a highly complex system full of surprises. What happens inside a cow ...

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 ...