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American Focus > Blog > Tech and Science > How DNA in dirt is reshaping our understanding of Stone Age humans
Tech and Science

How DNA in dirt is reshaping our understanding of Stone Age humans

Last updated: January 1, 2025 10:25 am
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How DNA in dirt is reshaping our understanding of Stone Age humans
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Ancient Human DNA Unearthed from Soil: A Breakthrough in Archaeological Research

Unearthing ancient human skull at archaeological site; Shutterstock ID 395215381; purchase_order: -; job: -; client: -; other: -

Ancient human remains are rare and don’t necessarily contain DNA

Shutterstock/Microgen

In 2015, Viviane Slon made a groundbreaking discovery that would revolutionize archaeological research. While analyzing samples at her computer, she found human DNA in soil from a cave floor. This revelation was significant as it opened up new possibilities for studying ancient human populations without relying on traditional bone or tooth samples.

Typically, archaeological sites provide tools and artifacts that offer insights into human history, but finding well-preserved human remains with viable DNA is rare. The fragility of DNA, susceptible to damage from environmental factors like heat and moisture, limits the availability of genetic material for analysis. However, the discovery of human DNA in soil samples presents a game-changing opportunity for researchers.

Soil samples can offer a continuous narrative of human history, allowing researchers to study hominins from eras predating burial practices. By analyzing sediment, scientists can determine the origins of tool-making techniques and gain a deeper understanding of ancient cognitive abilities and artistic expressions.

See also  The four types of imagination and how they create our worlds
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