Because broad gradients spanning much of Europe in the Southeast-Northwest direction were identified in empirical genetic studies by Cavalli-Sforza, Robert R. Sokal, Guido Barbujani, Lounès Chikhi and others, it seemed likely that the spread of agriculture into Europe occurred by the expansion and spread of agriculturists, possibly originating in the Fertile crescent of the Near East region.
Paducah Gaseous Diffusion Plant | diffusion | Society for the Diffusion of Useful Knowledge | Portsmouth Gaseous Diffusion Plant | Diffusion MRI | diffusion MRI | Diffusion-controlled reaction |