Your pet dog -- and every other dog in the world -- most likely descended from a single population of wolves that lived 20,000 to 40,000 years ago, according to a new study in the journal Nature Communications. The study marks that time frame as the period when dogs and wolves diverged evolutionarily.


원문출처 : http://www.cnn.com/2017/07/19/world/ancient-dog-evolution-study/index.html