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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

Late Neandertals and modern human contact in southeastern Iberia

The study of human fossils from Sima de la Palomas reveals the persistence of Neandertals until around 40,000 years ago. This challenges the idea that they were quickly displaced by modern humans, indicating a more complex picture of contact and coexistence between different human populations.

New evidence debunks 'stupid' Neanderthal myth

A new study published in the Journal of Human Evolution debunks a long-held assumption that Homo sapiens were more intelligent than Neanderthals. The research team recreated stone tools used by both species and found no clear advantage in terms of efficiency. This finding challenges the traditional narrative that Homo sapiens outcompet...

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Study shows 28,000-year-old Europeans' DNA was like ours

A 28,000-year-old Cro-Magnoid individual from Southern Italy exhibits anatomical and genetic characteristics similar to those of modern Europeans. The study challenges the long-held assumption that Neandertals are the ancestors of modern Europeans.

Britain's last Neanderthals were more sophisticated than we thought

Archaeologists have discovered a treasure trove of stone tools at a site in West Sussex, revealing a thriving and developed population of northern Europe's last Neanderthals. The tools, which date back to between 35,000 and 42,000 years ago, showcase the group's sophisticated hunting skills and technological prowess.

Mobile Neanderthals

A 40,000-year-old tooth reveals direct evidence of Neanderthal movement over lifetimes. The analysis of strontium isotope ratios in the enamel indicates that the individual lived in a different location than where the tooth was found.

Neanderthal bearing teeth

A 100,000-year-old Neanderthal from Belgium showed faster tooth growth, suggesting more advanced dental development. This pattern is intermediate between early human ancestors and living people, indicating a recent condition unique to our species.

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Red hair and freckles...

Scientists discovered that at least one percent of Neanderthals in Europe had red hair, a finding based on genetic analysis. This rare trait was linked to the mc1r gene mutation, causing lighter skin and more freckles.

Ancient DNA reveals that some Neanderthals were redheads

Scientists found that at least 1% of Neanderthals were likely redheads due to a point mutation in the MC1R gene. The discovery suggests that Neanderthals' pigmentation may be as varied as modern humans', with implications for understanding the evolution of human traits.

Neandertals, humans share key changes to 'language gene'

A recent study reveals that Neandertals shared key changes with modern humans in the FOXP2 gene, which plays a crucial role in speech and language. This finding suggests that Neandertals may have possessed some prerequisites for language, challenging previous estimates of when human language emerged.

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New research sheds light on 'hobbit'

A recent study published in Science confirms that Homo floresiensis, also known as the 'hobbit', is a distinct human species. The research focuses on the unique wrist bones of the hobbit, which show striking similarities to those of African apes and early hominins.

Climate -- no smoking gun for Neanderthals

A new study by an international team of researchers provides a breakthrough approach to understanding the role of climate in the Neanderthal extinction. The findings suggest that there was no single climatic event that caused the extinction, but rather indirect effects on competition with other human groups.

New evidence on the role of climate in Neanderthal extinction

A new study led by the University of Leeds suggests that extreme climate events did not coincide with Neanderthal extinction, contrary to previous theories. The research provides a more detailed picture of the climate at the time of the Neanderthals' disappearance, suggesting indirect competition with other human groups.

Climate change was the cause of Neanderthal extinction in the Iberian Peninsula

A University of Granada research group found that climate change, not modern humans, contributed to the Neanderthal extinction in the Iberian Peninsula. Climate reconstructions revealed fluctuations related to climate changes before Homo Sapiens arrived, making cold and arid conditions the least favorable for Neanderthals.

The emerging fate of the Neandertals

Research by Erik Trinkaus suggests that early modern Europeans exhibited Neandertal traits, reflecting both African and Neandertal ancestry. The analysis indicates a small behavioral difference between groups, suggesting they saw each other as social equals.

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40,000-year-old skull shows both modern human and Neandertal traits

A 40,000-year-old skull found in Romania shows both modern human and Neandertal characteristics, indicating complex population dynamics as humans spread into Europe. The skull, named Oase 2, has a mix of archaic and derived features, raising questions about the evolutionary history of modern humans.

HYMS researchers focus on human evolution

Researchers analyzed 43,000-year-old Neanderthal remains at El Sidrón in Spain, revealing significant north-south variations in facial shape. The study suggests that Southern-European Neanderthals had broader faces with increased lower facial heights.

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The ESRF reveals how Neanderthal teeth grew

Scientists studying Neanderthal teeth using X-rays from the ESRF found that their dental development is very similar to modern humans. The research team discovered complex folding of the enamel dentine junction, which suggests a deep embryological origin and may have been functionally significant.

More human-Neandertal mixing evidence uncovered

New analysis of 30,000-year-old Romanian fossils reveals a mix of human and Neandertal features, challenging the hypothesis that Neandertals were simply replaced by modern humans in Europe around 35,000 years ago. The study also shows that these early humans lacked full anatomical adaptations for hunting with spears.

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Modern humans, not Neandertals, may be evolution's 'odd man out'

A recent study by Erik Trinkaus reveals that modern humans possess twice as many uniquely derived traits than Neandertals, challenging the conventional understanding of human evolution. The research focuses on examining genetic markers in fossil records to better comprehend human ancestry.

How modern were European Neanderthals?

New research reveals that European Neanderthals had the capacity for symbolic thinking and possessed sophisticated artefacts around 44,000 years ago. This challenges the conventional interpretation of the Grotte de Fées site in Central France.

Ahead of the game

A new study challenges prior models of behavioral and cognitive differences between Neanderthals and modern humans. Researchers suggest that the establishment of larger social networks allowed for more extensive division of labor and routine use of distant resources, potentially driving the replacement of Neanderthals in the Caucasus.

Redating of the latest Neandertals in Europe

Researchers have re-dated two Neandertals from Vindija Cave, Croatia to between 32,000 and 33,000 years ago. This new age range sheds light on the chronological overlap between Neandertals and modern humans in Europe.

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Neanderthal teeth grew no faster than comparable modern humans'

Researchers found that Neanderthals' tooth growth rate was comparable to that of modern humans, suggesting they may not have had a shorter childhood than us. The study used microscopic lines on teeth to estimate growth rates and found that Neanderthal enamel formation times fell within the range of three modern populations.

Oldest fossil human protein ever sequenced

Researchers at Washington University in St. Louis have successfully sequenced a fossil human protein from over 40,000 years ago, providing valuable information on human evolution and diet. The analysis reveals that the Neanderthal sequence is identical to modern humans', suggesting a shared dietary history.

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Neanderthal life no tougher than that of 'modern' Inuits

Researchers found that Neanderthals experienced periods of starvation and nutritional stress, but to a lesser extent than modern Inuit who used more advanced technology. Tiny grooves in tooth enamel served as markers of these episodes.

Refuting Neandertal ancestry

A team of scientists has analyzed the largest sample of Neandertal and early human remains, concluding that Neandertals could not have made a significant genetic contribution to early modern humans. The study's findings challenge the theory of interbreeding between Homo sapiens and Homo Neanderthalensis.

New study shows Neanderthals were not our ancestors

A recent study using computer imaging techniques reveals that Neanderthals exhibit distinct differences in skeletal morphology compared to modern humans. The research, led by NYU paleoanthropologist Katerina Harvati, suggests that Neanderthals are a separate species within the genus Homo.

Bones from French cave show Neanderthals, Cro-Magnon hunted same prey

A study of fossil records at Grotte XVI found that Neanderthals and Cro-Magnon both hunted a wide variety of game, including reindeer and red deer. The researchers also discovered a sharp drop in cave bear numbers from Neanderthal to Cro-Magnon times, suggesting competition for living space may have led to their extinction.

Neandertal facial length issue settled

Researchers found Neandertals did not have long faces, but rather average or slightly reduced facial projection compared to earlier human ancestors. Modern humans' faces are significantly shorter due to evolutionary changes.

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Earliest Homo sapiens fossils discovered in Ethiopia

The discovery of Herto fossils, dated between 100,000 to 300,000 years ago, provides critical evidence for the Out of Africa theory. The fossils demonstrate a transition from primitive African hominids to modern humans, bridging a previously unexplained period in human evolution.

Is the evidence for human 'replacement' really clear?

Paleoanthropologist Geoffrey Clark questions the clear evidence for human 'replacement', suggesting that archaeological findings reveal a more complex mosaic pattern. He proposes an alternative cause for cultural and technological changes, linking them to population density and critical selection pressures.

Pre-Neandertal humans developed social skills earlier than thought

Fossils from three different humans estimated to be about 175,000 years old show a stage of evolutionary development that led to the Neandertals. The jaw fragment reveals signs of reduced chewing force due to food preparation changes, suggesting extensive community support for individuals with difficulty caring for themselves.

Meaty discovery: Neandertal bone chemistry provides food for thought

Scientists have conclusively determined that European Neandertals were top-level carnivores who lived on a diet of mainly hunted animal meat. The team analyzed bone-chemistry and stable-isotope analysis to reconstruct the Neandertal diet, finding that they likely ate almost exclusively meat.

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Genomic differentiation of Neandertals and humans

Scholz et al. study reveals significant genomic differences between Neandertal and human fossils, suggesting separate evolutionary histories. The researchers used a novel method to assess cross-hybridization of fossil DNA, allowing them to distinguish two well-defined Neandertal fossils from modern humans.

Neanderthal infant yields DNA evidence

Researchers applied modern forensic DNA techniques to a 30,000-year-old Neanderthal infant, resolving the debate on human evolution. The study revealed that modern humans diverged from Neanderthals around 500,000 years ago, supporting the out-of-Africa model.

Scientists document most recent date for Neandertals

New radiocarbon dating reveals Neandertals coexisted with early modern humans in central Europe for thousands of years, casting doubt on theories of extinction and migration. The findings also suggest potential genetic exchange between Neandertals and modern humans.

Dinosaurs And Neanderthals

The lecture featured expert discussions on the connections between dinosaurs, Neanderthals, and human evolution. Key findings highlight the importance of studying ancient species to better understand our own ancestry.

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Earlier Human Speech?

A team of researchers from Duke University found that the hypoglossal canal, which controls tongue movement, is larger in humans and Neanderthals than in apes and proto-humans. This discovery challenges the theory that human speech may not have arisen until around 40,000 years ago.

DNA Shows Neandertals Were Not Our Ancestors

A team of researchers found that Neandertal mitochondrial DNA falls outside normal human variation, indicating they did not contribute to the genetic makeup of modern humans. The study also confirms the origins of modern humans in Africa and suggests a divergence of 500,000 to 600,000 years ago.

Possible New Hominid Species May Be Oldest Known European

A new hominid species, Homo antecessor, has been identified in Spanish fossils, dating back 800,000 years. The species' modern-looking mid-face and primitive cranium traits suggest a complex evolutionary history, potentially challenging current theories on human migration and settlement of Europe.