Scientists say they have established a genetic link between three North American women, one who died 5,000 years ago, one 2,500 years ago and one living. The evidence shows the living woman, a Tsimshian from the Metlakatla First Nation in British Columbia, is descended from the women who died centuries ago or from one of their close female relatives, PostMedia News reported. All three had the same mitogenome or mitochondrial DNA, which is passed from mother to child. The research conducted by Canadian and U.S. scientists was published this week in PLoS ONE, one of the journals produced by the...