Cattle Milked At Least 7,000 Years Ago

The first definitive evidence that cattle were used for their milk, by humans, in prehistoric Saharan Africa nearly 7,000 years ago is the focus of a study just published in the journal Nature.

The research was done by an international group of scientists, led by researchers from the University of Bristol in the United Kingdom and including Kathleen Ryan of the University of Pennsylvania Museum of Archaeology and Anthropology....