Ancient Taimyr Wolf Rib Bone (image) Cell Press Share Print E-Mail Caption DNA from this small piece of a rib bone from an ancient Taimyr wolf suggests that dogs may have been domesticated 27,000 years ago. Credit Love Dalén Usage Restrictions Credit Required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.