DOGS' EARLY DAYS This year, scientists analyzed the DNA from this 35,000-year-old piece of rib bone from an ancient wolf. The results suggest that dogs could have been domesticated as early as 40,000 years ago.
Love Dalén
Man’s best friend might be much older than anyone thought.
In May, a genetic analysis of an ancient wolf’s rib bone suggested that wolves and dogs probably split sometime between 27,000 and 40,000 years ago (SN: 6/13/15, p.