http://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. New research indicates that domestic horses originated in the steppes of modern-day Ukraine, southwest Russia and west Kazakhstan, mixing with local wild stocks as they spread throughout Europe and Asia. The research was published today in the Proceedings of the National Academy of Sciences (PNAS). http://phys.org/news255606603.html Biology Mon, 07 May 2012 15:00:18 EST news255606603