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 ...

Ever felt that burning sensation after a spicy meal or stressed-out workday? Your stomach lining might be waving a tiny white flag of surrender. But before you reach for another antacid, what if the ...