But most importantly, mammal brains have adapted to make milk. When a dairy cow feeds its calf or gets milked, a chemical message zooms through its brain and body. That chemical message, oxytocin, is ...

This answer is fueled by coffee with a splash of milk from a dairy cow. I asked my friend Kimberly Davenport why my morning milk doesn’t come from a beef cow. She’s an expert in cow genetics at ...

Well, the first thing that has to happen is that the cow has to get pregnant. She has to be able to have a baby before she can make milk. Once the cow gets pregnant, there are these things called ...

A synthetic hormone once sparked a supermarket showdown, but today it has all but disappeared from dairy farms ...