Oldest known dog breed reveals hidden human history

Breakthroughs, discoveries, and DIY tips sent every weekday. The Iditarod is the longest annual sled dog race– covering over 1,500 miles across Alaska. A close look into canine genetics reveals sled dogs have been around and on the move for thousands of years. Specifically, the Greenland sled dog–called Qimmeq (singular), or Qimmit (plural) in Greenlandic–has a history traceable all the way back 9,500 years to Zhokhov Island in Eastern Siberia. And they've been a distinct, isolated group for about 1,000 years of that time.