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

One tooth.

The rest of whatever this child was is either not preserved, not yet found, or remains somewhere in the collections awaiting analysis.

But the tooth is enough to establish the basic facts of the child’s physical existence.

It tells us the age, at least approximately.

And combined with the genetic analysis that would come later, it established the sex as well.

The Clock Inside the Enamel: How a Tooth Holds Its Age