this post was submitted on 08 Oct 2024
171 points (98.3% liked)

science

19588 readers
590 users here now

A community to post scientific articles, news, and civil discussion.

rule #1: be kind

founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] catloaf@lemm.ee 21 points 8 months ago

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5912235/

tl;dr: "DNA staining" means they use something that reacts with DNA to indicate its presence. So if you paint the rock and it turns purple, you know where to look for DNA.