Fancy chemistry on potsherds from a 6000-year-old Neolithic settlement on Lake Constance has revealed traces of “fat residues of pre-industrial ruminant milk, and young suckling calf/lamb adipose.” So, people drank milk and ate calf meat in Central Europe in 4000 BC. (Via.) That’s a follow-up to a paper a couple of years back giving evidence for cheese and yoghurt making in the late Neolithic.