Ancient human footprints discovered in White Sands National Park have been confirmed to be over 20,000 years old. Multiple independent age estimates from radiocarbon and optically simulated luminescence methods support the previous study's claims, showing humans inhabited southern North America during the Last Glacial Maximum.
Researchers found that ancient Amazonians intentionally created dark earth by modifying the environment to improve soil fertility. This practice allowed for large and complex societies to thrive, with stored carbon remaining in the soil for hundreds to thousands of years.
Researchers found that specialized placozoan cells share similarities with neurons and may have given rise to them in more complex animals. The study sheds light on the evolution of neurons, focusing on the unique characteristics of these ancient creatures.
A new study finds that human activities are impacting the planet, breaching six planetary boundaries and increasing the risk of triggering dramatic changes. The study highlights the need for a global focus on interactions between boundaries, particularly Climate and Biosphere Integrity.
Researchers from the Max Planck Institute have recreated an ancient Egyptian woman's scent used in her mummification, revealing complex ingredients and trade connections. The 'scent of eternity' blend includes beeswax, plant oil, and exotic resins, highlighting sophisticated mummification practices and long-distance trade.
The University of Missouri is launching a five-year, $3 million doctoral training program to prepare the next generation of scientists and engineers for emerging fields like materials science and data science. The program aims to empower future workers with both technical expertise and data-driven insights.
Researchers successfully extracted ancient DNA from a 2,900-year-old clay brick, revealing 34 distinct taxonomic groups of plants. The most abundant sequences were from Brassicaceae (cabbage) and Ericaceae (heather), providing a unique biodiversity time-capsule for the ancient Assyrian site.
A USTC study reveals the Yangshao culture period's dominant crops were broomcorn millet, foxtail millet, and rice, with millets occupying a main position in agricultural structure. Climate change may have driven this shift around 6400 years ago.
A new study analyzed protein residues from ancient cooking cauldrons and found evidence of deer, sheep, goats, and cow family members being consumed during the Maykop period. The researchers also discovered milk proteins, indicating that dairy was a part of the diet.
Researchers found stable antibodies in 800-year-old medieval human teeth that can still recognize viral proteins, allowing them to study the history of infectious human diseases. This discovery expands the field of palaeoproteomics and may enable experts to analyze how human antibody responses developed over time.
Researchers from Kyushu University discovered intentional cranial modification among the Hirota people on Tanegashima island, characterized by a flattened back of the skull. The practice, which predates written history, was likely used to signify group affiliation and preserve social status.
Researchers studied 21 lowland meandering rivers on Earth and ancient Martian riverbeds to understand how climate change impacts river sinuosity. The study found that variable-sinuosity rivers continue changing, while constant-sinuosity rivers reach a steady state.
A study analyzing genomic data from 34 fossils, including the famous sambaquis shell mounds, found that Luzio, São Paulo's oldest skeleton, was a descendant of the ancestral population that settled the Americas at least 16,000 years ago. The research also revealed differences between coastal and inland communities, suggesting two disti...
A new study by Flinders University researchers suggests that only 1% of dormant pathogens could cause major ecological harm, leading to the loss of host organisms worldwide. The simulations showed that these ancient microbes can survive, evolve, and become dominant in modern ecosystems, posing a substantial danger.
A recent study suggests that ancient Mesoamerican cities, such as Caracol and Teotihuacan, withstood environmental challenges like drought and earthquakes due to their advanced infrastructure and socio-economic systems. These cities' resiliency is often overlooked in historical accounts of their collapse.
A study found that ancient kurgans in the Eurasian steppes can preserve steppe grasslands and biodiversity due to their cultural significance. The presence of spiritual and cultural values on these sites increases the chance of grassland presence, comparable to protected areas.
Researchers at Breakthrough Listen project have devised a new technique for finding and vetting possible radio signals from other civilizations. The technique eliminates the possibility of signal being mere radio interference from Earth, boosting confidence in future detection of alien life.
Researchers use portable devices to analyze paint composition and layering on ancient Egyptian paintings, revealing alterations made over time. Two paintings from the Theban Necropolis were studied, uncovering changes to a figure's arm and royal items depicted on a portrait of Ramesses II.
A groundbreaking study using ArchCUT3-D software analyzes ancient rock engravings, uncovering unique techniques and production procedures. The research sheds light on the craftsmanship, artistic expression, and cultural context of ancient cultures.
MagEIA, a new Centre for Advanced Studies in Humanities and Social Sciences, will research magical text traditions of the ancient Near East, Egypt, and neighbouring regions. The project aims to develop new methods of textual analysis and models of cross-cultural comparison.
A new study sheds light on the genetic heritage of chickpeas by analyzing landrace genomics from over 400 specimens collected in the 1920s and 1930s. The research reveals that the spread of chickpeas within each region occurred predominantly along trade routes, rather than through simple diffusion.
For the first time, researchers reveal that gold nanoparticles can melt and produce gold nanomelts at temperatures lower than macroscopic gold. This discovery opens a new debate on traditional models for gold transport in nature.
The discovery of the Protosterol Biota, dated to at least 1.6 billion years ago, reveals a previously unknown 'lost world' of complex eukaryotes that thrived in ancient oceans and lakes. These microscopic creatures are believed to have been the first predators on Earth, playing a pivotal role in shaping ecosystems.
A new study by USC Dornsife researchers reveals the mung bean's evolution, migration and climate adaptation journey, with two distinct adaptations favored in specific geographic locations. The southern variant is characterized by larger seeds, while the northern variant exhibits drought tolerance.
A team led by Akshay Suresh is searching for periodic signals in the Milky Way's core, which could be a strategic site for an extraterrestrial beacon. The Breakthrough Listen Investigation for Periodic Spectral Signals (BLIPSS) uses novel methodology to sift through data and identify potential evidence of advanced life forms.
Researchers have identified the oldest known true-to-scale construction plans in human history, dating back 8,000 to 9,000 years. The ancient engravings depict so-called desert dragons, kilometre-long megastructures used for trapping animals.
Researchers Troels Arbøll and Sophie Rasmussen review ancient DNA, cultural works, and medical records to show that kissing-transmitted diseases like HSV-1 were present in ancient periods, contradicting some recent studies. The emergence of romantic-sexual kissing may have had a secondary effect on disease transmission.
Researchers have uncovered the oldest known architectural plans of human-made mega structures, dated to between 7,000 and 8,000 years ago. These engravings depict desert kites used to trap wild animals, showcasing a milestone in intelligent behavior and spatial representation.
A new study using ancient DNA from northern and central Mexico reveals population continuity despite drastic environmental change, providing new insights into the region's demographic history. The research also identifies two 'ghost' populations contributing to pre-Hispanic populations, revealing a complex demographic landscape.
Researchers reconstruct bacterial genomes of Ice Age microorganisms, reviving ancient natural products and discovering new chemical diversity. The team uses synthetic molecular biotechnology to produce chemicals encoded by ancient genes, unlocking the secrets of Earth's past microbes.
A team of researchers used crowd-sourced data to simulate radio leakage from mobile towers and predict what an alien civilization might detect. The study suggests that some technical civilizations are likely to have more sensitive receiving systems, making the detectability of our mobile systems increase.
Ancient Mayans used an 819-day calendar that covered a much larger timeframe than previously thought. By increasing the calendar length to 20 cycles of 819 days, researchers found a pattern emerges in which the synodic periods of all visible planets align with station points in the larger calendar.
Astronomers have discovered a supermassive black hole consuming a giant star, producing a long-lived transient object that is orders of magnitude brighter and more energetic than any recorded before. The object, named Scary Barbie, has lasted over two years and may be visible for years to come.
Researchers analyzed six sealed copper alloy animal coffins using neutron tomography, identifying bones, textiles, and lead fragments that shed light on ancient Egyptian mummification techniques and ritual purposes.
A study led by Prof. Yong Wei analyzed epidemic records from AD 0 to 1840 in ancient China, revealing a correlation between solar activity and epidemics. The research applied wavelet analysis and ensemble empirical mode decomposition, showing similar periodic changes between the epidemic index and sunspot number.
Australian geoscientists discovered how long ago the Nullarbor plain dried out using iron-rich layers formed in ancient sediments. This finding provides a clearer timeframe for understanding the impact of ancient climate change on Australia's diverse flora and fauna.
A University of South Florida anthropologist has uncovered the first ancient DNA from the Swahili Civilization, revealing African and Asian ancestry patterns. The study challenges centuries-old narratives and restores pride to the millions who identify as Swahili by providing clarity to their heritage.
A team of researchers from South Africa has discovered exceptional trace fossils that provide insight into the locomotion of ancient giant amphibians. The fossils, found on a rock surface once part of a tidal flat or lagoon, suggest these animals propelled themselves through water with continuous side-to-side tail motions.
Genome-wide studies reveal that early European farmers adopted more immune system genes from hunter-gatherers than expected, suggesting natural selection played a key role in adapting to diseases.
Researchers have developed a new restoration method that utilizes color space-based segmentation to clean up ancient manuscripts. This technique allows for the analysis of previously inaccessible or damaged texts, providing insights into history and culture.
A genomic study of ancient humans on the Tibetan Plateau reveals a single origin for ancient humans, deriving from a northern East Asian population. The study also found distinct genetic patterns in different regions of the plateau, indicating three regional groups with unique historical patterns that began to merge after 2500 BP.
A study of over 93,000 people across 93 countries found that men and women spend an average of four hours a day on beauty-enhancing behaviors. Social media usage is the strongest predictor of attractiveness-enhancing behaviors, with active users investing more time in improving their appearance.
Researchers found that specific amino acids were essential for the evolution of ancient proteins, which then shaped the genetic code of microorganisms. This discovery sheds light on the mystery of how life began on Earth and has implications for understanding evolution and potentially finding life beyond our planet.
Archaeologists have discovered the earliest example of angular notched trephination, a type of cranial surgery, in the Ancient Near East. The discovery, made at Megiddo, Israel, suggests that one brother may have had leprosy, making them potentially among the earliest documented examples of the disease.
Researchers analyzed chemical residues in ancient vessels to identify specific embalming ingredients, including unexpected global sources like tropical Africa and Southeast Asia. The findings shed new light on the global trade relationships involved in ancient Egyptian mummification.
Researchers applied deep learning techniques to a previously studied dataset of nearby stars, uncovering eight previously unidentified signals of interest. The new approach enabled faster and more accurate results, with the potential to accelerate discovery of extraterrestrial life.
Researchers at Linköping University found that climate fluctuations and agriculture coincided with the rise and fall of Persian Empires in southeastern Iran. The study suggests that climate played a crucial role in shaping these civilizations.
Researchers analyzed 100 ancient genomes to understand kinship and marriage rules in Minoan Crete and Mycenaean Greece. They found that cousin marriages were common, with over 90% of sons marrying within their own family's hamlet.
Researchers analyzed ancient genomes from ten individuals up to 7,500 years old in Siberia, revealing a previously unknown hunter-gatherer population that contributed to many contemporaneous and subsequent populations across North Asia. The genetic data show a mix of paleo-Siberian and Ancient North Eurasian people, with links to hunte...
Researchers advocate for descendant community involvement in ancient DNA research to ensure benefits and risks are shared fairly. Without such guidance, the science can be exploitative, perpetuating colonial practices and harming modern Indigenous groups.
Researchers uncover ancient manufacturing strategy that incorporates self-healing functionalities into Roman concrete. Hot mixing process allows for faster construction and enhanced durability through spontaneous cracking and recrystallization.
A new study analyzes 48 ancient human genomes and over 16,500 modern Scandinavian genomes to reconstruct the region's genetic history. The research shows that ancestries introduced during the Viking period later declined, suggesting ancient immigrants contributed proportionately less to the modern gene pool.
A new study pinpoints the first-ever domestication of cats to nearly 10,000 years ago in the Fertile Crescent region. Genetic analysis reveals that humans' transition from hunter-gatherers to farmers sparked the bond between humans and rodents-eating cats, leading to their migration with humans worldwide.
A team of scientists analyzed ancient DNA from medieval German Jews and found that the Ashkenazi Jewish community was more genetically diverse than modern-day Jews. The study suggests that the founder event occurred before the 14th century, with a small population giving rise to the modern Ashkenazi Jewish population.
The Qatar Genome Program aims to decipher the genetic makeup of Middle Eastern populations and build a foundation for precision medicine. With over 30,000 whole genomes collected, researchers are mining genomic data to produce meaningful findings and promote international collaboration.
A new UNLV study compares ancient and modern ocean ecosystems, finding that ancient food webs varied greatly from today's systems. The research highlights the importance of understanding trophic position in community evolution and has implications for conservation efforts and policy.
During the Devonian Period, six significant marine extinctions occurred, coinciding with the rapid evolution and spread of complex land plants. Elevated phosphorus levels in ancient lake deposits suggest a massive increase in terrestrial nutrient export, potentially leading to eutrophication and catastrophic ocean oxygen depletion.
Researchers used DNA from two ancient human individuals to unravel the deep demographic history of South America, providing new genetic evidence supporting existing archaeological data. They also discovered migrations along the Atlantic coast for the first time and found evidence of Neanderthal ancestry within ancient genomes.
Researchers have discovered over 50 cases of a rare genetic variant becoming prevalent in ancient human groups, revealing new insights into human adaptation. By comparing modern and ancient genomes, the study sheds light on the role of environmental pressures in shaping human evolution.
Ancient tree conservation is crucial for maintaining ecosystem integrity and mitigating climate change. The researchers propose a two-pronged approach to protect these trees, including germplasm conservation and forest rewilding.