Cows, along with sheep, goats, deer, antelope, bison, buffalo, moose, elk, and reindeer, are all ruminants. These are mammals with four compartments in their digestive system that let them re-chew and ...

An April 22 Facebook post (direct link, archive link) displays a video of a person reaching into a porthole-like device in a cow's side. "What A Sick World we live in," reads the text overlaid on top ...