The Most Durable Human Species Ever

In recent years our DNA sequencing techniques and abilities have become dramatically better. We are able to get DNA from ancient sources in a way that we previously had not been able to, and we are then able to sequence that DNA more accurately are carefully than ever before. What this has started to reveal is a greater diversity of ancient human species, a greater spread of various human species, and more diversity and intermixing of human species than we had previously thought. A lot of this research is cutting edge and evolving daily, but for the last decade this research has been shifting how we view ancient humans, which in turn shifts the way we view ourselves.
In Sapiens, published in 2011, Yuval Noah Harari writes, “the more eastern regions of Asia were populated by Homo erectus, ‘Upright Man’, who survived there for close to 2 million years, making it the most durable human species ever.” It is somewhat strange to think that one species of human existed for 2 million years, or close to that figure, and eventually was outcompeted by a different species of human. Homo sapiens, our modern human species, eventually outcompeted all the other species of humans, including those which existed for hundreds of thousands to millions of years before our species evolved and began to spread.
Since Harari’s book was published we have learned more about species he briefly mentions such as Homo denisova and how widely those species managed to spread across the Earth. Additionally, research during the COVID-19 Pandemic suggested that some individuals may have genetic mutations stemming from the genome of Homo neanderthalensis, which changed their immune response to the disease. To me, research on ancient humans through DNA is a powerful and humbling reminder that my life and experiences are not unique just to me and this moment. It reminds me that human evolution has been a long and complicated process, with many Homo Sapiens and other human species that could think, talk, and experience the world in similar ways coming before me. Harari also stresses that Homo Sapiens may not be the final version of humans to evolve and dominate the planet, or last the longest on the planet. He continues, “this record [the estimated 2 million years that Homo erectus survived] is unlikely to be broken even by our own species. It is doubtful whether Homo sapiens will still be around a thousand years from now, so 2 million years is really out of our league.”

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