Researchers at the University of Arizona Laboratory of Tree-Ring Research used a hybrid approach to assign calendar dates to tree rings, potentially pinning down the Thera volcano eruption date. The study spans over 2,000 years and provides context for civilizations in the Bronze and Iron Ages.
Researchers at INRS and McGill University developed a method to draw molecular patterns on the surface of quantum materials using macrocycles, changing their optical, magnetic, and electrical properties. This technique has potential applications for electronic devices and biosensing.
A new ancient DNA study reconstructs the genetic history of Mediterranean islands, showing complex patterns of immigration and trade. The research reveals distinct ancestry profiles for Sicily, Sardinia and the Balearic Islands, tracing migration routes from Africa, Asia and Europe.
A new study reveals that a site in southern Germany's Nordlinger Ries crater may provide insights into Mars' ancient atmosphere. The team used nitrogen isotope ratios to estimate the pH of ancient waters, suggesting high levels of carbon dioxide could have made liquid water possible on the red planet.
Researchers discovered ancient Salmonella genomes in human skeletons dating back 6,500 years, shedding light on the evolution of a human pathogen. The study suggests that the Neolithic revolution facilitated the emergence of human-adapted pathogens, including Paratyphi C.
Researchers reconstructed eight ancient Salmonella enterica genomes from human remains, revealing a link between the spread of farming culture and the emergence of human-adapted pathogens. The study highlights how constant exposure to pathogens enabled their evolution over 6,500 years.
A new study reveals the earliest known interbreeding event between ancient human populations, dating back to around 700,000 years ago. The super-archaics in Eurasia interbred with Neanderthal-Denisovan ancestors, providing insights into human migration out of Africa and into Eurasia.
A new study analyzes ancient packrat middens for DNA, revealing a mix of bacterial and eukaryotic organisms, including plants and vertebrates. The findings provide valuable insights into past ecosystems and the impact of human-caused climate change.
Researchers will investigate how religion shapes children's understanding of the supernatural, science, and social interactions. The five-year project aims to address a lack of diversity in previous studies and explores how children form beliefs about people from different religious backgrounds.
The Breakthrough Listen Initiative has released nearly 2 petabytes of data from the most comprehensive survey yet of radio emissions from the Milky Way Galaxy and its central black hole. A new analysis of nearby stars that could see Earth transiting the sun was conducted, but no technosignatures were found.
Astronomers led by Penn State graduate student Sofia Sheikh conducted a massive survey of radio emissions from 20 nearby stars, looking for technological signatures of extraterrestrial civilizations. Despite finding no technosignatures, the analysis sets rigorous limits on the presence of advanced civilizations in our galaxy.
New discoveries push back dates for early farming in the region by at least a millennium, providing evidence of adaptable ancient crop plants to new ecological constraints. The study also illustrates how humans cultivated crops at northern latitudes, challenging previous views on cultivation and labor practices in ancient Eurasia.
Researchers found that ocean surface temperatures were more important than solar radiation in driving rainfall in the region. This discovery provides context for the development of tropical rainforest ecosystems in Central America and sheds light on the impacts of climate change on ancient civilizations.
Researchers developed a method to evaluate ancient human geographic origins using lead isotopes from tooth enamel, which showed consistency with local prehistoric animals. The study suggests that at least five individuals were from southwest Arkansas, providing new insights into the Caddo Indian burial practice.
A Spanish neuropsychologist used an artificial neural network to analyze how humans and machines recognize planetary images, revealing that AI can detect shapes that humans miss and vice versa. The results have implications for the search for extraterrestrial life and highlight the need for caution in AI's implementation.
A team of international researchers has discovered ancient DNA from West Africa, providing new insights into the deep past of humankind. The study reveals that West Africans are genetically closer to central African hunter-gatherers than Bantu-speakers today.
A team of scientists has used data from the TESS satellite and ground-based telescopes to determine an ancient collision between our galaxy and Gaia-Enceladus occurred early in its history. The study reveals new insights into the history of the Milky Way, providing a timeline for the collision.
Researchers from OU and international partners analyzed ancient dust in rocks to understand the role of atmospheric dust on marine ecosystems 300 million years ago. They found that this ancient dust was much dustier than today, with twice as much bioavailable iron, leading to a massive surge in marine photosynthesizers.
Researchers uncover the oldest known coastal defence system built by ancient settlers to protect against rising oceans. The ancient Tel Hreiz seawall in Israel was a temporary reprieve from sea level rise, abandoned and inundated over time.
Researchers have successfully extracted a complete ancient human genome from birch pitch used as 'chewing gum' 5,700 years ago. The findings reveal genetic information about an individual's physical characteristics, including dark skin, hair, and eyes, as well as their diet and oral microbiome.
Ancient Romans used timber from eastern France (Jura mountains) for portico construction in Rome. The oak planks were transported over 1700km via rivers before reaching the city.
New research suggests ancient microorganisms played a critical role in setting the stage for life on a dimly lit early Earth. These microbes transformed iron into rusty minerals without oxygen and served as a food source for other microbes, producing methane that warmed the planet's atmosphere.
A DNA study reveals that ancient Egyptians did not domesticate Sacred Ibises for ritual use, contrary to previous theories. The research suggests that the birds were short-term tamed in natural habitats or farmed seasonally.
Research suggests climate-related droughts triggered decline in Assyria's way of life and contributed to its collapse. The empire's reliance on rainfall for agriculture made it vulnerable to prolonged droughts, leading to instability and conflict.
A study analyzing ancient DNA samples from Rome and adjacent regions found at least two major migrations into the city, with influences from North Africa, Europe, and the Near East. The population's ancestry shifted significantly over time, reflecting Rome's shifting alliances and cultural exchange.
A study of 127 ancient individuals' genomes found two major ancestry shifts, one during Neolithic farmers' arrival and another during the Bronze age. The results suggest that by Rome's founding, central Italy's genetics were similar to modern populations, but genetic diversity increased over time.
A study using ancient bone protein analysis identified green turtles as a primary target for human consumption in Florida and the Caribbean thousands of years ago. The technique, collagen fingerprinting, allowed scientists to visualize distinct chemical signatures in collagen that are species-specific.
A team of scientists has discovered ancient fossil teeth in the Yukon, which are believed to belong to a long-extinct cousin of modern rhinoceroses. The discovery provides a gap in the fossil record and sheds light on the migration patterns of animals during the Tertiary Period.
Researchers discovered significant lead pollution at Kincaid Mounds site due to galena processing and use by Native Americans. Sediment core samples revealed higher lead levels during the pre-Columbian period, tracing back to galena deposits in Missouri and the Upper Mississippi Valley.
A research team at the University of Tsukuba studied ancient cuneiform tablets and matched them with tree-ring radioisotope data to identify three possible magnetic storms that occurred around 679-655 BCE. This work may help modern astronomers predict future solar flares or coronal mass ejections.
An international team is working to develop an ethical framework for ancient DNA research, incorporating diverse voices and expertise from Indigenous communities. The project aims to foster better collaboration and address concerns around the use of human genetic material.
Research using ancient DNA from German farmsteads (2750 BCE to 1300 BCE) identified a complex family structure and kinship-based social hierarchy, with females often marrying nonlocal men. Wealth and status were inherited by offspring, suggesting social status was passed down through generations.
Scientists have found evidence of prehistoric humans storing and consuming animal bone marrow at Qesem Cave, dating back to around 400,000 years ago. The discovery suggests that early Paleolithic people had a sophisticated understanding of food preservation, allowing them to store bone marrow for up to nine weeks before feasting on it.
A team of scientists uncovered new details about day-to-day life in the famous Denisova Cave complex in Siberia's Altai Mountains. Microscopic studies of fossil droppings and charcoal from ancient fires indicate that large carnivores such as hyenas, wolves, and bears dominated the landscape for over 300,000 years.
Researchers have extracted almost complete sets of proteins from ancient dental enamel, allowing scientists to reconstruct molecular evolution beyond the usual DNA preservation limit. This breakthrough enables scientists to study hundreds of species, including humans, and could revolutionize our understanding of the world's evolution.
Researchers extracted genetic info from a 1.77 million-year-old rhino tooth, revealing an almost complete set of proteins and expanding the possibilities of retrieving reliable genetic information from mammal fossils. This breakthrough could solve long-standing mysteries of ancient animal and human biology.
A new study by Yale scientists identifies ancient prokaryotes with compartmentalized nuclei, shedding light on the origin of eukaryotic cells. They found ribosomal proteins in Archaea with NLS-motifs similar to those in eukaryotic species, suggesting a transitional phase.
Researchers at MIT and elsewhere discovered a unique ancient technology for making parchment, which used a mixture of salts found in evaporites. This process helped preserve the Temple Scroll's bright white surface and contributed to its state of preservation.
A genome-wide analysis of ancient DNA from over 500 individuals sheds light on the complex genetic ancestry of South and Central Asia. The study documents genetic exchanges with European Steppe, Near East, and southeast Asia, revealing a population history that reflects similar genomic patterns to those in ancient Europe.
Researchers sequenced the first genome of an individual from the Harappan civilization, showing that modern people in India are likely descended from this ancient culture. The findings suggest that farming began in South Asia through local hunter-gatherers adopting farming, contradicting previous theories.
A new ancient DNA study reveals the complex origins of populations in Central Asia, combining archaeological and genetic expertise to illustrate nuanced mechanisms of genetic diversity and change. The research, published in Science, is the largest in the world to date and addresses a significant gap in the ancient DNA dataset.
A massive ancient DNA study has unveiled the complex history of Central and South Asian populations, revealing a shift away from farming ancestors and toward steppe pastoralists. The research also clarifies the origins of Indo-European languages in the region, challenging long-standing theories.
A massive collaborative study reveals that early humans globally altered their environments as far back as 10,000 years ago. The study found widespread land use changes, including deforestation and invasive farming, starting around 3,000 years ago.
Ancient DNA data from Roopkund Lake reveals diverse groups of people died at the lake in multiple events around 1000 years apart. The study, published in Nature Communications, found three distinct genetic groups among the skeletons, with ancestries related to present-day India, the eastern Mediterranean, and Southeast Asia.
A recent study found that ancient pigs in Europe lost their Near Eastern genetic signature due to hybridization with European wild boar. This suggests that pig management in Europe was extensive and that artificial selection had a limited impact on the development of modern European commercial pigs.
A study published in PLOS Biology analyzed RNA transcripts from a 14,300-year-old canid preserved in Siberian permafrost, providing evidence that RNA from ancient animals may be well-preserved. The analysis revealed tissue-specific transcriptomes in the ancient wolf, with many liver-specific transcripts matching modern samples.
A team of researchers successfully reconstructed anthropic influences on sedimentation in the ancient harbour of Portus, a complex of harbour basins and canals that formed the hub of commerce in the Roman Empire. The findings suggest that the Romans were proactively managing their river systems earlier than previously thought.
An international team sequenced 67 ancient genomes to observe genomic changes in cattle over eight millennia. They found a widespread influx of zebu genetics around 4,000 years ago, likely linked to a multi-century drought and changing climate.
Scientists have developed a new method to detect signs of early life in ancient rock formations by analyzing high concentrations of potassium. This approach is promising as it could help identify the presence of microorganisms in sedimentary rocks dating back 2.1 billion years.
Researchers have discovered big chunks of ancient Neanderthal and other ancient DNA in the dark centers of human chromosomes, which can be used to study chromosome behavior during cell division and evolutionary descent. The findings also suggest that certain centromere haplotypes may influence differences in sense of smell.
Scientists discovered ancient crocodile species' climate sensitivity, suggesting they served as 'climate clocks.' Fossil analysis mapped their distribution to reconstruct global temperatures during the Eocene-Oligocene epochs. The study provides new insights into how these ancient reptiles adapted to changing climates.
Archaeologists and laboratory scientists discovered psychoactive compounds in ancient incense burners from the Pamir Mountains, indicating higher levels of THC. This study provides clear evidence that ancient people in eastern Central Asia used cannabis for its psychoactive properties.
Researchers from McMaster University and the University of Montpellier have reached almost identical results in two separate studies, overturning a longstanding consensus on sloth evolutionary relationships. The combined molecular evidence suggests that ancient sloths may have been at home on both land and in trees.
A study of ancient DNA from Siberia, Alaska, and Canada found that a significant genetic contribution from Paleo-Eskimos shaped the modern populations in the region. The researchers discovered that Paleo-Eskimos interbred with southern Native peoples and influenced the spread of Na-Dene languages.
A new method converts evolutionary relationships into geographical relationships to make higher-resolution maps of ancient species' distributions. The analysis verified the division of nonavian dinosaurs into Northern and Southern Hemisphere groups, with some species moving between Europe and Africa during the Early Cretaceous period.
Researchers analyzed 41 ancient sub-Saharan Africans, revealing a multi-stage model for the spread of food production into Kenya and Tanzania. The study found that Stone Age herders across East Africa had closely related genomes, despite cultural differences, and that genes for lactose digestion were rare in first East African herders.
Researchers at The Hebrew University of Jerusalem recreated a 5,000-year-old brew using yeast from ancient beer jugs, shedding light on the Pharaohs' drinking habits and the brewing techniques of ancient civilizations.
Scientists can now study ancient proteins to gain a more complete picture of past species and cultures. Research has revealed that ancient humans consumed grains, legumes, dairy products and meat, while Mongolians consumed dairy products long before known genetic mutations for lactose tolerance.
Researchers have uncovered a high-quality jadeite tool with an intact rosewood handle at an ancient salt processing site in Belize. The discovery highlights the significance of salt and Maya salt workers in the Classic Maya marketplace economy over 1,000 years ago.
Researchers have found traces of Roman-era pollution in the ice of Mont Blanc, revealing significant atmospheric pollution from heavy metals. The study provides a record of atmospheric conditions in ancient Rome and sheds light on the impact of ancient emissions on the present-day environment in Europe.