Based on international collaborations lasting decades, two new studies have unlocked previously unavailable information from the bones of dogs long dead. Odin was a kelpie. Attentive and protective, with a happy smile and an endless hope for food, he succumbed to a terminal disease late last year. At his death, a deep sense of grief ripped through the household of one of us (Andrew): while Odin was no... [4664 chars]