Science ❯ Genetics ❯ Molecular Biology
Species Identification Genetic Characterization Mutation Detection Species Relationships Museomics NanoSeq Technology Species Differentiation Biodiversity
Researchers report that permafrost‑sealed squirrel droppings preserve many species’ DNA and say tephra‑based dates could place some samples near 700,000 years old, a result that would extend how far back ancient‑DNA studies can reach.