De Masi Arqueologia

25/08/2026

El análisis químico y mineralógico de la icónica Rotonda de los Toros en la cueva de Lascaux (Francia) revela que su arte rupestre no fue un evento único, sino un proceso muy estructurado y estrechamente ligado a los ciclos de la naturaleza. Mediante microscopía electrónica de barrido y trans...

24/08/2026

The discovery of 780,000-year-old cooked fish remains at the Gesher Benot Ya'aqov archaeological site in Israel represents the earliest known evidence of early humans using controlled fire to cook food. This find pushes back the timeline of intentional cooking by over 600,000 years, fundamentally shifting our understanding of Homo erectus and human cognitive evolution.

Key Details of the Discovery

​The Catch: Researchers found large clumps of pharyngeal teeth from giant, extinct carp-like fish—some reaching up to 2 meters (6.5 feet) in length—near what are believed to be ancient hearths.

​The Missing Bones: The area contained thousands of fish teeth but virtually no bones. This strongly suggested the fish were cooked at lower temperatures, which preserves tooth enamel but allows the softer bones to disintegrate over millennia.

​The Forensic Proof: Using X-ray powder diffraction, scientists analyzed the size of the crystals inside the tooth enamel, which change predictably when exposed to heat. The crystals proved the teeth were heated to controlled temperatures between 200°C and 500°C (392°F–932°F).

​The Cooking Technique: Because natural wildfires burn much hotter (around 800°C) and the fish teeth were not heavily charred, researchers concluded early humans did not just throw the fish into open flames. Instead, they were likely slow-cooked whole, potentially in primitive earthen ovens.

​Evolutionary Impact: The shift to cooking food—especially nutrient-dense, fat-rich freshwater fish—freed up enormous amounts of energy that previously went toward digestion. This dietary leap is considered a major catalyst for the rapid brain expansion seen in early human ancestors.

23/08/2026

Beneath the forests of the Upper Peninsula of Michigan, scientists have uncovered one of the most surprising archaeological discoveries in North America. Using modern LiDAR laser scanning, researchers revealed vast agricultural landscapes that are around 1,000 years old, completely invisible from the ground and hidden for centuries by dense tree cover.

These are not small garden plots. The scans show massive raised ridged fields stretching for kilometers, carefully engineered to improve drainage, soil warmth, and crop yields in a cold northern climate. The scale rivals farming systems seen in much warmer regions, proving that sophisticated agriculture thrived far beyond where historians once believed it possible.

The fields were created by the ancestors of the Menominee people, and they fundamentally challenge a long-held assumption in American history. For generations, northern Indigenous societies were portrayed as primarily nomadic hunter-gatherers. These “mega-farms” tell a very different story.. one of intensive land management, long-term planning, and large settled populations supported by sustainable agriculture.

What makes this discovery even more powerful is that the landscape itself preserved the evidence. As farming stopped and forests reclaimed the land, the ridges remained intact beneath the trees, waiting for technology advanced enough to see through the canopy. LiDAR did not just reveal fields.. it exposed how incomplete our understanding of North America’s past has been.

This is not a minor correction to history. It is a rewrite. The forests of Michigan were once engineered food systems, and the people who built them were not simply surviving the land.. they were mastering it.

23/08/2026

A landmark DNA study published in Nature has traced a significant thread in the genetic ancestry of Estonians, Finns, and Hungarians to a group of people living in northeast Siberia around 4,500 years ago. Today, millions speak these Uralic languages, which stand apart from the Indo-European tongues that dominate most of Europe.

The international team analyzed ancient DNA from 180 individuals who lived across northern Eurasia between 11,000 and 4,000 years ago. They found that nearly all Uralic-speaking populations today... especially Estonians, Finns, and Hungarians... share a unique genetic signal from a people they call the Yakutia_LNBA group. These ancient people roamed the forest steppes of the Altai Mountains in Central and East Asia, a region far closer to Alaska or Japan than to modern-day Finland.

This Siberian ancestry is not found in neighboring Indo-European-speaking populations, making it a powerful genetic “tracer dye” for the early spread of Uralic languages. The westward movement of these peoples may have been accelerated by cultural and technological networks, possibly including the exchange of bronze tools and weapons. Archaeologists have noted that pottery and grave goods from the Ymyyakhtakh culture in Siberia also began appearing further west around 4,000 years ago, paralleling the genetic and linguistic spread.

The study also found evidence for patrilineal descent—society organized around fatherhood—among these ancient Siberians, based on patterns in their Y chromosomes.

But here’s a crucial nuance: ancient DNA can track people but not languages directly. While the genetic and linguistic maps overlap almost perfectly, language isn’t written in DNA. Historians caution that multilingualism and language shifts have always been common, and that culture and language don’t always move in lockstep with genes. Still, the consistency is striking: Uralic speakers across Eurasia share this Siberian heritage, while their non-Uralic speaking neighbors mostly do not.

This discovery reshapes our understanding of Europe’s linguistic landscape. The ancestors of today’s Estonians, Finns, and Hungarians likely began their westward journey from deep in Siberia’s taiga, leaving a genetic and linguistic legacy that has endured for millennia—a story now illuminated by ancient DNA.

23/08/2026

Scientists have uncovered a remarkable genetic discovery that reveals how ancient humans conquered the Americas with a secret weapon hidden in their DNA. A groundbreaking study from the University of Colorado Boulder shows that one in three people of Mexican ancestry carry what researchers call Oreo DNA, a unique gene variant from extinct Denisovans sandwiched between Neanderthal genetic material. 🧬

The gene in question, MUC19, plays a crucial role in the immune system by producing mucins that create protective barriers in the respiratory and digestive tracts. When ancient nomads crossed the icy Bering Strait into the Americas thousands of years ago, this Denisovan gift may have provided critical advantages for surviving completely new ecosystems filled with unfamiliar pathogens, allergens and food sources.

The genetic journey itself is extraordinary. Denisovans first passed the MUC19 variant to Neanderthals through interbreeding. Later, when Neanderthals mated with modern humans, they delivered this genetic package, creating a Denisovan center surrounded by Neanderthal DNA. This marks the first time scientists have documented DNA jumping from Denisovans to Neanderthals and then to humans.

Analysis of ancient DNA from archaeological sites across Alaska, California and Mexico confirms this variant was present before European contact. Over twenty thousand years, natural selection favored this genetic inheritance, helping Indigenous American populations adapt biologically to every type of environment across the continents, showcasing remarkable evolutionary resilience. 🌎

21/08/2026

Un nuevo de paleogenética llevado a cabo por Quilodrán et al., 2023 determinó que la migración de los agricultores del Oriente Próximo hacia Europa fue determinante para la disminución de la presencia de genes neandertales en las poblaciones de humanos modernos en Europa respecto a Asia. La ex...

20/08/2026