A canine humerus recovered from Erralla cave in the Basque Country, Spain in 1985 has now been dated to between 17,410 and 17,096 years ago. And multiple lines of analysis confirm it's not from a wolf, but a dog: Canis familiaris. This means that old, cracked humerus represents the oldest dog bone to date. That's an incredible datapoint for contextualizing dog domestication, and opens up new discussions about the timeline and the nature of remains of "dog-like wolves" thought to be an intermediate stage between wolves and dogs. When and how dogs diverged from their wolf (Canis lupus) ancestors, and...