About two-thirds of modern dog breeds carry some wolf ancestry introduced within the past few thousand years. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...
For decades, biology textbooks taught that DNA’s story could be told with a single image: two elegant strands twisting in a double helix. That picture is still right, but it is no longer enough.
All the researchers had to do was determine whether the 10,000 years between now and the last ice age would have been enough time for the mitochondrial DNA to have accumulated the number of ...