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 ...

A group of veterinarians in Visakhapatnam, India, made a disturbing discovery when they performed surgery on a 6-year-old cow. What they pulled out of the animal's stomach is a harsh reminder of ...