Genetic research shows her branch contributed to gene pool of today's Melanesians, who live on a broad arc of Pacific islands. X Woman is helping researchers grasp ancient migration patterns.
A new study concludes that humans mated with Neanderthals 50,000 to 80,000 years ago, leaving traces of the Neanderthal genome in some modern humans.
Column: Advances in DNA research enhance basic concepts of evolution.
Column: Old bear genes may sound like a waste of time, but it’s a down payment on human research.