New York Times: even hundred years ago, the Dorset people disappeared from the Arctic. The last of the Paleo-Eskimos, the Dorset had dominated eastern Canada and Greenland for centuries, hunting seal and walrus through holes in the ice and practicing shamanistic rituals with ornate carvings and masks. Then, they promptly ceased to exist. Modern archaeologists have scoured troves of Arctic artifacts, searching for clues to the Dorsets sudden extinction. Did they assimilate when the Thule, ancestors of the modern...