The 9,000-Year-Old Child’s Tooth Found In An Alaska Cave — And The DNA Test That Revealed A Lost Population Of The First Americans
A tooth is about the most humble object imaginable as the centerpiece of a significant scientific discovery.
It is small, physically unimpressive, easily overlooked.
The people who collected it in 1949 knew it was human, knew approximately where it came from, knew it was old — but they could not have known what it would eventually reveal, because the methods needed to make those revelations did not yet exist.
The nine-thousand-year gap between the child’s death and the analysis of her tooth is a span of time almost too large for human intuition to fully grasp.
In that span, the Bering Land Bridge had long since submerged.