The DNA was extracted from a finger bone that was found in the Denisova Cave, located in the Altai Mountains of southern Siberia. The bone is estimated to be around 40,000 years old, making it a contemporary of the Neanderthals, another extinct human species.
When researchers analyzed the DNA, they found that it was distinct from both Neanderthal and modern human DNA. This suggests that the bone belonged to a previously unknown hominin species, one that diverged from the Neanderthal lineage around 640,000 years ago.
The discovery of this new DNA has sent shockwaves through the scientific community, as it challenges our current understanding of human evolution. It raises questions about the diversity of human species that once existed and the relationships between different groups.
Researchers have dubbed this new species the "Denisovans," after the cave where the bone was found. While scientists have only a small amount of DNA to work with, they've been able to glean some insights into the Denisovans' appearance and genetic traits.
For instance, genetic analysis suggests that the Denisovans had dark skin and brown eyes. They also possessed a gene that helps the body adapt to high altitudes, which makes sense given that the Denisova Cave is located in a mountainous region.
The Denisovans also appear to have had some interbreeding with modern humans. Researchers have found Denisovan DNA in the genomes of present-day populations in Asia and Oceania, suggesting that some Denisovans may have survived and interbred with humans as they migrated across the globe.
The discovery of the Denisovans has added a new chapter to the story of human evolution and continues to fuel scientific exploration and research. Scientists are now eager to learn more about this enigmatic species and its place in our evolutionary history.
