watch-robot-dog-and-real-dog-face-off

http://www.coasttocoastam.com/pages/watch-robot-dog-and-real-dog-face-off

http://www.techradar.com/news/world-of-tech/future-tech/this-is-what-happened-when-google-s-robot-dog-met-a-real-one-1316022

http://www.techradar.com/us/news/world-of-tech/when-judgement-day-comes-boston-dynamics-latest-atlas-robot-will-lead-the-charge-1315645