Cows are notorious for chewing their cud, but did you know this is actually a key part of their digestive process? This chewing of cud, also called “ruminating,” is one feature of an interesting and ...

Ruminants like cows have developed an unusual way of digesting their food: they ingest plants, give them a rough chewing and then swallow the half-chewed mash before regurgitating it repeatedly and ...