Readers who miss the subtitle's reference to bison might need to be informed that the plains here are those in the middle of North America. Archaeologists from the US discuss origins of the prehistori
It's 1907 on Minnesota's "Iron Range" and the death of 13-year-old Anna Kallio's mother means that the girl must leave school in order to keep house for her father and younger brother. The family's ha
Thirteen millennia ago, in a small creek valley in western South Dakota, two mammoths perished. The mammoths, an adult and a juvenile, likely a cow and calf pair, died at the edge of an ancient pond.
