alt Hacker News> The Utah part of this is so interesting because of the way people keep track of their family history.
Definitively interesting that they could get so many old hair samples with good provenance.
> The Utah part of this is so interesting because of the way people keep track of their family history.
Definitively interesting that they could get so many old hair samples with good provenance.
It's interesting that the paper doesn't mention this, but the answer here is Latter Day Saints. They have a very strong culture of genealogy and preserving family history. The study authors are all in Salt Lake City, which is the Mormon capital of the world.