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The Three-Fingered Mystery: How a Desert Discovery Is Rewriting Human History

Writer's picture: Cristina GomezCristina Gomez

Deep in Peru's Nazca Desert, a three-fingered mummy dubbed "Maria" has sparked a scientific revolution that's challenging everything we thought we knew about human evolution, from our ancient ancestors to the very definition of what makes us human.


In a groundbreaking scientific investigation, biologist Ricardo Rangel, a graduate from the National School of Biological Sciences of the National Polytechnic Institute, has unveiled remarkable findings regarding the DNA analysis of tridactyl mummies discovered in the Nazca desert. With expertise in immunogenetics and regenerative medicine, Ricardo’s seven-year study has challenged conventional biological paradigms and opened new avenues for understanding human evolution.


The most striking revelation comes from the analysis of a mummy initially known as “María,” which genetic testing revealed to be male, now referred to as “Mario.” The specimen’s DNA analysis revealed unexpected genetic markers. The Y chromosome (making Maria a male specimen) and mitochondrial DNA haplogroup analysis traced the specimen’s maternal lineage to the Myanmar region, a finding that adds complexity to the specimen’s origins.

maria the nazca mummy next to the Myanmar map
Maria (left)

Further genetic analysis revealed an even more startling discovery: the presence of DNA sequences matching both bonobo (Pan paniscus) and chimpanzee (Pan troglodytes) genomes. This finding led Dr. Rangel to propose that the specimen represents a hybrid between these great apes and Homo sapiens. The hypothesis is supported by both genetic and anatomical evidence, suggesting a natural hybridization process that may have occurred 200,000 to 300,000 years ago.

Bonobo (left) and Chimpanzee (right)
Bonobo (left) and Chimpanzee (right)

A crucial piece of evidence supporting the African origin of these beings came from an unexpected source: the presence of trypanosome parasites in the specimen’s DNA. These parasites, transmitted by tsetse flies, are according to Dr. Rangel, an endemic only to specific regions of Central Africa, particularly the Congo region. Additionally, the presence of Plasmodium, another parasite not native to the Nazca area, further strengthens the African connection.


The tridactyl adaptation of these specimens suggests arboreal habits (animals that live in trees), similar to modern sloths in the Amazon jungle. The absence of thumb and pinky, leaving only three specialized digits, indicates an evolutionary adaptation to tree-dwelling life. This specialization, combined with the estimated timeline of 200,000 to 300,000 years, aligns with recent discoveries of Homo sapiens remains in the Middle East dated to the same period.

Sloth (left) and X-rays of Nazca mummy's hands
Sloth (left) and X-rays of Nazca mummy's hands

The research has also revealed intriguing details about the specimen’s health and ultimate fate. Analysis of the bone tissue indicated that the cause of death was likely bacterial sepsis caused by hemolytic vibrio. This finding is corroborated by evidence of osteolysis (bone infection) and the presence of Harris lines in the bones, indicating chronic infection, possibly related to the trypanosome infection acquired in Africa.

X-ray of Harris Lines
X-ray of Harris Lines

One of the most remarkable aspects of this study is the extraordinary quality of the DNA preserved in these mummies. The specimens yielded over 600 million reading sequences, far exceeding the typical yield from modern DNA extraction procedures, being anywhere from 10–70 million. This exceptional preservation is attributed to the desiccation process using diatomaceous earth in the Nazca region.


The research team has documented at least 10 to 11 similar organisms, with an interesting pattern of genetic malformation known as pectus excavatum (sunken chest) appearing in five or six specimens. This high frequency of a typically rare condition suggests possible inbreeding within this isolated population.

60 cm nazac mummy, Monserrat (left) and depiction of pectus excavatum (right)
60 cm mummy, Monserrat (left) and depiction of pectus excavatum (right)

To ensure scientific transparency and encourage further research, Ricardo and his team published their findings in a recent scientific paper (click here). They are also developing an official electronic platform where interested scientists can access high-resolution tomography scans, X-rays, and genetic studies. This platform, expected to launch in early to mid 2025, aims to facilitate collaborative research and further investigation into these extraordinary findings.


The study represents a significant contribution to our understanding of human evolution and raises intriguing questions about potential hybridization events in human prehistory. While some aspects of the findings, particularly regarding implants found in the specimens, remain unexplained, the research team continues to analyze and document their discoveries using rigorous scientific methodology.


Scientific Paper on dating of the antiquity of a tridactyl humanoid specimen found in Nazca-Peru - ENGLISH https://rgsa.openaccesspublications.org/rgsa/article/view/6916/2986

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