Katie Salvi Like The Atlantic? Subscribe to the Daily, our weekday-afternoon email digest of ideas, arguments, and other coverage. http://www.theatlantic.com/science/archive/2016/06/the-origin-of-dogs/484976/ Tens of thousands of years ago, before the internet, before the Industrial Revolution, before literature and mathematics, bronze and iron, before the advent of agriculture, early humans formed an unlikely partnership with another animal—the grey …