Researchers in Tasmania reveal ancient conditions that stifled evolution for a billion years, but then oxygen levels surged, triggering the 'Cambrian explosion of life'. The study uses a new technique to analyze ancient seafloor rocks, shedding light on the emergence of life and its impact on Earth.
A study published in Molecular Biology and Evolution found that Tibetan Mastiffs have undergone genetic adaptations to survive at high altitudes. The research identified 16 genes involved in energy production critical for high-altitude survival, suggesting convergent evolution between dogs and humans.
A new statistical model has been developed to isolate ancient DNA from fossils contaminated with modern-day DNA. This method allows for the recovery of complete mitochondrial genomes from Neandertal and anatomically modern human bones, enabling scientists to study these individuals in detail.
A doctoral candidate used historical proxies, including coins, to create an interactive map of ancient Antioch's boundaries. She found the city's influence extended farther than previously theorized and was particularly abundant along a known trade route.
Three new lizards from Peru have been identified as distinct species using a combination of molecular, ecological, and morphological analyses. The study demonstrates the feasibility of discovering new species with limited resources, highlighting the importance of stable scientific names for biodiversity conservation.
Researchers found evidence of cat domestication in ancient China, tracing it back to farmers 5,300 years ago. The study analyzed bones from excavated sites and discovered that cats were attracted to rodents and other small animals in farming villages.
Researchers from NASA's Curiosity rover mission found evidence of a calm and fresh-watered lake on Mars that may have supported simple microbial life. The team believes the lake may have lasted for tens or hundreds of thousands of years, providing perfect conditions for chemolithoautotrophs to thrive.
A new study reveals that iron may play a role in preserving ancient tissues within dinosaur fossils, but also concealing them. Hemoglobin is identified as a key player in this process, which could lead to the recovery of more preserved tissues from well-preserved fossils.
A team of researchers at George Washington University and the University of Haifa have uncovered a 3,000-year-old wine cellar in Israel, containing jars holding nearly 2,000 liters of liquid. The contents are believed to be ancient medicinal wines, with a recipe similar to those used for 2,000 years in ancient Egypt.
The largest and oldest ancient wine cellar in the Near East has been discovered in northern Israel, containing 40 jars of strong, sweet wine dating back to around 1,700 B.C. The team found molecular traces of key wine-making ingredients, including honey, mint, and resins, indicating a consistent recipe was followed in each jar.
Researchers have discovered a direct ancestral link between ancient human remains and Native American communities, revealing insights into the initial peopling of the Americas. By analyzing genomes of ancient and modern populations, scientists can reconstruct the evolutionary history and adaptations of early Americans.
Ancient European wolves are genetically linked to modern dogs, contradicting earlier research suggesting a Middle Eastern origin. Dogs derived from wolves that inhabited Europe and are now extinct.
A new scorpion species, Euscorpius lycius, has been discovered in the ancient Lycia region of Turkey, adding to the total of five known species within the genus. The newly found species is relatively small, ranging from 2-2.5 cm in length and has a pale color with darker pedipalps.
A recent genetic study published in Scientific Reports reveals that Israel's wild boars descended from European pigs brought by the Philistines approximately 3,000 years ago. The research analyzed DNA samples from over 25 modern-day wild boars and found a dominant European genetic signature.
Researchers suggest that Denisovans, an ancient human relative, successfully crossed Wallace's Line, a powerful marine current, to interbreed with modern humans. This finding opens up questions about the behaviors and capabilities of this group and how far they could have spread.
A recent study reconstructed the first detailed genetic history of modern-day Europeans using ancient DNA from 364 prehistoric skeletons. The research found dramatic population changes with waves of migration from Western and Eastern Europe, contradicting previous assumptions about the Near East's role in shaping European genetics.
A team of researchers from the University of Manchester used next generation sequencing techniques to analyze sub-fossilized insects in copal and found no evidence of ancient DNA. The study suggests that DNA survival in resin inclusions is unlikely, raising doubts about claims of DNA extraction from fossil insects in amber.
Research reveals how ancient crocodiles evolved and survived alongside dinosaurs, with notable variations in jaw shapes and biomechanics. The study, published in Proceedings of the Royal Society B, provides new insights into the evolution and adaptation of ancient crocodiles during the Mesozoic Era.
Research suggests climate change induced drought, famines and invasions led to the collapse of Eastern Mediterranean civilizations. The study analyzed pollen grains and sediments to uncover environmental changes that likely drove this crisis.
Researchers discovered that ancient artists and craftsmen developed sophisticated thin-film coating techniques, including using mercury as a glue, to apply uniform films of gold and silver. These techniques have not been surpassed in quality since ancient times, making them invaluable for preserving priceless artifacts.
Researchers have discovered a direct genetic link between ancient Native American remains and their living descendants using mitochondrial DNA analysis. The study, published in PLOS ONE, found three maternal lineages from ancient times to the present, providing a unique connection between oral traditions and genetic evidence.
Researchers found a massive cone-shaped structure made of basalt stones weighing an estimated 60,000 tons, dating back to the early Bronze Age. The site is believed to be connected to ancient city of Beit Yerah and may provide insights into geological history.
Researchers have found conclusive proof that Ancient Egyptians used meteorites to create symbolic accessories. The evidence comes from a prehistoric iron bead discovered in Egypt, which was dated to around 3350-3600BC. Analysis of the bead's composition confirms its meteorite origins.
A recent study published in Investigative Genetics found that the genomic diversity of the Dutch population follows a southeast-to-northwest gradient, with the population separated into four geographic groups. The researchers propose that this pattern is due to recent movement within the last 2000 years, rather than ancient events.
Researchers have discovered evidence of ancient agriculture in southern China, predating the arrival of domesticated rice. The use of a new analysis technique on grinding stones revealed starch from tropical palms, indicating that people may have cultivated these plants around 5,000 years ago.
A team of scientists from the University of Houston and a filmmaker will share their discoveries about remnants of an ancient city in the Honduran rainforest, using light detection and ranging (lidar) technology. They will also showcase previously undisclosed images of apparent archeological sites.
Fossils from 1,900 million-year-old rocks in Lake Superior's Gunflint chert provide evidence of ancient heterotrophy. The team discovered microbes consumed other bacteria, producing a 'rotten egg' whiff similar to modern bacterial activity.
Researchers at the University of Cincinnati have discovered how ancient Maya populations in remote areas built reservoirs to conserve water and used natural methods to purify their water supply. The findings, presented by doctoral student Jeffrey Brewer, show that these techniques were crucial for survival during extreme dry spells and...
Researchers at the University of Cincinnati have made groundbreaking discoveries in a well-preserved Maya village, including new crop varieties and household gardens. The findings shed light on ancient Maya agriculture and its impact on the natural world.
A University of Cincinnati graduate student archaeologist has discovered that the ancient Puebloans relied on a variety of food sources, including purslane, pinyon nut, and juniper berries, in addition to maize. The findings suggest that the Puebloans' subsistence strategies were more complex and sustainable than previously thought.
Researchers have discovered the original host of ancient pigmy moths was a rainforest plant in the myrtle family. The moths' evolution reveals unique adaptations for courtship and mating.
Researchers from the University of Adelaide's Australian Centre for Ancient DNA extracted ancient DNA from two specimens and compared it to extinct relatives. They found that the Falkland Islands wolf diverged from its closest living relative around 16,000 years ago, revealing a 16,000-year-old island colonization process.
Researchers identified a 1,500km-long fragment of an ancient continent called Mauritia beneath the Indian Ocean. The micro-continent contains rocks dated up to 2 billion years old, challenging the formation timeline of the ocean.
A study led by Field Museum curator Dr. Jonathan Haas reveals that maize was a primary component of people's diets in coastal Peru around 3000-1800 B.C. The research, published in PNAS, analyzed microscopic evidence found in soil, stone tools, and coprolites from ancient sites.
Research on ancient human skeletons reveals negative changes in oral bacteria due to dietary shifts, including the introduction of farming and processed sugar. The study provides a new record of dietary impacts and health changes over time.
Researchers have discovered that ancient Petra was extensively farmed on terraces, with wheat, grapes, and olives being cultivated. The complex systems of dam construction and water management were crucial to the region's agricultural success.
A University of Oklahoma study analyzed ancient DNA from human fecal samples to understand changes in the human gut microbiome. The results suggest that the last 100 years have seen a major shift in the human gut microbiome, with broader implications for modern health.
Researchers from City College of New York have developed a non-toxic and sustainable lithium-ion battery powered by purpurin, a natural plant dye extracted from the madder plant. The battery's production process is simpler and less expensive than traditional Li-ion batteries, with fewer environmental risks.
Scientists found that oxygen levels were extremely low on Earth 2.7 billion years ago, but also discovered microbes actively feeding on sulfate in the ocean during this period. The study provides new insight into ancient metal-ore deposits and their role in understanding early life evolution.
A team of researchers used advanced soil analysis to uncover evidence of ancient Maya maize production in lowland areas, but also found signs of erosion in steeper soils. This study demonstrates the power of modern soil science in understanding past civilizations' treatment of the land and its impact on food security.
A team of researchers confirms ancient protein preservation in dinosaur bone cells using antibodies that target specific proteins found in vertebrate bone cells. This finding further solidifies the case for preservation of cells and possibly DNA in ancient remains.
Research by UC's Susan Prince suggests that ancient Cynics, like Antisthenes, advocated for a rigorous path toward virtue and happiness, requiring drastic attitude changes and emphasizing ethical literature. This approach led to more leisure time, which could be spent living an ethically fulfilling life.
Scientists have conducted the first range-wide genetic analysis of bowhead whales using ancient DNA samples from archaeological sites and modern populations. The study reveals differences in population diversity between ancient and modern times, suggesting recent disappearance of unique maternal lineages due to habitat loss and whaling.
Researchers found that initial bubble growth determines eruption size, with rapid changes in gas flux and composition crucial for prediction. The study provides a key to understanding volcanic eruptions and could lead to better predictions of their scale.
A recent study by University of Missouri anthropologist Robert Walker found that violent conflict accounted for 30% of all deaths before contact with Europeans in Amazonian tribal societies. The study suggests that developing a shared sense of global community could help reduce major episodes of violence.
Researchers at the University of Manchester tested replicas of ancient Egyptian artificial toes, finding they may have been used as practical tools to help people walk. The tests showed that volunteers were able to achieve significant flexion with the prosthetic devices, indicating their potential use as early prosthetics.
Studies show that some structural features of languages are relatively stable over time, while others exhibit individual family-specific factors. Researchers found probable connections between the Americas and NE Eurasian languages dating back to peopling of the Americas 12,000 years ago.
A new study adds giant viruses to the universal family tree, revealing they are ancient living organisms. The research found that many of the most ancient protein folds were also present in giant viruses, suggesting they appeared early in evolution.
Scientists used fossil pollen to augment historical records of ancient Egyptian droughts and fires, including a massive 4,200-year-old drought that contributed to the demise of Egypt's Old Kingdom. The study provides insights into the evolution of societies tied to climate variability.
The Neolithic Age saw a direct connection between the development of an agricultural society and the emergence of sophisticated carpentry. Archaeological evidence suggests that as humans transitioned from hunter-gatherers to farmers, they also developed heavier axes and woodworking tools capable of felling trees.
Researchers found evidence of domestication at an ancient Mayan site in Guatemala, suggesting the Mexican turkey was introduced to the region around 300 B.C. The discovery has significant consequences for understanding Maya subsistence and animal exchange with other cultures.
A new study by Emanuela Guidoboni and colleagues reveals the historical record on ancient and medieval earthquakes in L'Aquila has gaps that must be addressed to assess seismic hazard. The region experienced multiple strong earthquakes, with a tendency to produce simultaneous events varying in impact.
A colossal human figure, 1.5m tall, with intricate details and Hieroglyphic Luwian inscription, was discovered at the Tayinat gate complex in southeastern Turkey. The sculpture is part of a monumental gate complex that dated back to the Neo-Hittite Kingdom of Patina.
A new study reveals that Native-Americans' high rates of diabetes may be attributed to their ancestors' high-fiber diet, which was rich in foods like maize and sunflower seeds. This diet, characterized by low fat and glycemic index, could have given rise to 'thrifty genes' that now contribute to the disease.
Griffith University researchers analyze ancient human remains to determine the origins of people in South-east Asia and Australia. The study identifies two waves of human migration through Asia and detects historic patterns of interbreeding among early people.
Researchers at the University of Cincinnati discovered a massive ancient dam built by the Maya, stretching over 260 feet and holding 20 million gallons of water. The dam, constructed from cut stone and earth, was part of a sophisticated water management system that allowed the city to thrive despite periodic droughts.
Researchers inserted ancient gene into modern-day E. coli and observed its evolution over 1,000 generations. The results showed that the ancient gene did not mutate to become more similar to its modern form, but rather the bacteria adapted through novel mutations.
Researchers analyzed over 2,000 al Qaeda propaganda items and found that most quotes focused on enduring hardships and maintaining faith, rather than seeking world domination. The 'Verse of the Sword' was used only three times in these quotes.
Researchers from Universitat Autonoma de Barcelona successfully extracted the genetic material from two ancient newborns with congenital syphilis. This breakthrough study reveals that younger individuals are more likely to have preserved DNA, shedding light on the historical development of the disease and its geographic distribution.
Researchers warn of an impending catastrophic event where the planet's ecosystems irreversibly collapse due to extreme fluctuations in climates and biodiversity loss. The study suggests that governments must take immediate action to reduce population growth, invest in sustainable technologies and adopt environmentally-friendly practices.