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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

Study offers new insight on what ancient noses smelled

Scientists recreated ancient human and Denisovan noses to compare their olfactory receptor genes, finding differences in sensitivity to various odors. This research sheds light on how our closest genetic relatives perceived and interacted with their environment.

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Immune system of modern Papuans shaped by DNA from ancient Denisovans

A recent study found that Denisovan DNA sequences near immune-related genes in modern Papuans regulate their activity, affecting how people respond to infections. The research suggests that Denisovan DNA contributed to the adaptation of early modern humans living in New Guinea and nearby islands.

Jawbone may represent earliest presence of humans in Europe

A new analysis of a 45,000-65,000 year old fossil mandible from Spain suggests it may be the earliest documented presence of Homo sapiens in Europe, rather than a Neandertal. The study used CT scanning and 3D modeling to analyze the fossil's shape and features, finding that it shared characteristics with both humans and Neandertals.

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Ancient DNA analysis sheds light on the early peopling of South America

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.

Meet the first Neandertal family

Researchers analyzed DNA from 13 Neandertals, finding evidence of a close-knit community with 10-20 individuals. Genetic data suggests that female migration played a key role in maintaining the group's cohesion, contradicting previous theories about male-dominated movements.

Neanderthals appear to have been carnivores

A new study using zinc isotope analysis found that Neanderthals were probable carnivores, contrary to earlier research suggesting a plant-based diet. The analysis of a tooth enamel sample from the Gabasa site in Spain revealed a carnivorous diet without blood consumption.

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Modern humans generate more brain neurons than Neandertals

Researchers found that modern human brains produce more neurons than Neandertal brains, particularly in the frontal lobe, due to a single amino acid substitution in the TKTL1 protein. This increase is attributed to changes in metabolism and membrane lipid synthesis.

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Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Study of ancient skulls sheds light on human interbreeding with Neandertals

Researchers assessed facial structure of prehistoric skulls to determine extent of interbreeding between humans and Neandertals. The study found that the Near East was an important crossroads for human migration and interaction, supporting the hypothesis that much of this interbreeding took place in the region.

Did gonorrhea give us grandparents?

A new study suggests that a unique gene variant supporting cognitive health in older humans may have first emerged to protect against infectious pathogens like gonorrhea. This variant, linked to CD33, allows brain immune cells to break down damaged brain cells and amyloid plaques associated with Alzheimer's disease.

Neanderthals of the north

Neanderthals occupied a lightly wooded lakeshore about 90,000 years ago in a relatively temperate climate. Stone tools found at the former campsite attest to activities such as woodworking and plant processing.

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Gutenberg Research Award for Wil Roebroeks

Professor Wil Roebroeks receives the 2021 Gutenberg Research Award for his groundbreaking work on Neanderthals and early Eurasian hominins. The award acknowledges his interdisciplinary approach, international collaboration, and devotion to paleoanthropology.

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Protective gene variant against COVID-19 identified

Researchers at Karolinska Institutet have identified a specific gene variant that protects against severe COVID-19 infection, found in individuals of African ancestry. The study analyzed 2,787 hospitalized patients and 130,997 people from six cohort studies, revealing an 80% prevalence of the protective variant among Africans.

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Neanderthals changed ecosystems 125,000 years ago

Researchers from Leiden University and Johannes Gutenberg University Mainz discovered that Neanderthals used fire to keep the landscape open, transforming their local environment. The study found evidence of hunter-gatherer activities dating back 2,000 years, challenging previous assumptions about human impact on ecosystems.

Molecular analysis reveals the oldest denisovan fossils yet

A team of researchers has extracted and analyzed ancient proteins and DNA from nearly 4,000 bone fragments at Denisova Cave, yielding five human bones with intact biomolecules, dating back to 200,000 years ago. The findings provide robust insights into the first occupants of the cave and their archaeological signature.

In a gene tied to growth, scientists see glimmers of human history

Researchers have identified a shortened version of the human growth hormone receptor gene, GHRd3, which may help people survive in situations where resources are scarce or unpredictable. The study found that this variant emerged around 1-2 million years ago and was more prevalent in ancient humans and Neanderthals.

Climatically driven landscape evolution during warm periods

A comprehensive investigation of a lake landscape in southern Wendland reveals that strong rises and falls in water levels were caused by climate changes, soil erosion, and vegetation. The study provides valuable insights into how landscapes respond to climatic shifts and offers clues for predicting future changes.

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Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Researchers identify record number of ancient elephant bone tools

A team of archaeologists led by Paola Villa has uncovered an unprecedented array of bone tools crafted from elephant bones at the Castel di Guido site in Italy, dating back to around 400,000 years ago. The discovery reveals a high level of cognitive intellect and technological sophistication among early humans during this period.

Neanderthals indeed painted Andalusia’s Cueva de Ardales

A team of scientists found that Neanderthals intentionally applied red ochre pigment to the cave's flowstone formation, dating back 65,000 years. The analysis revealed variations in pigment composition corresponding to different dates of application, indicating a tradition passed down through generations.

Neandertal and Denisovan blood groups deciphered

Researchers analyzed Neandertal and Denisovan genomes to identify blood groups, confirming their African origin and Eurasian dispersal. The study also found evidence of low genetic diversity and possible demographic fragility, shedding light on the disappearance of Neandertals.

Exploring blood types of Neanderthal and Denisovan individuals

A study analyzing ancient DNA has uncovered new information on the blood types of Neanderthals and Denisovans. The analysis reveals consistent African origins and increased vulnerability to diseases affecting fetuses and newborns, confirming previous evidence of low genetic diversity leading to eventual demise.

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A new type of Homo unknown to science

A new type of Homo has been identified in Israel, with features that challenge the prevailing hypothesis on Neanderthal origins. The discovery suggests that at least some Neanderthals' ancestors came from the Levant, and that two types of Homo groups lived side by side for over 100,000 years.

New fossil discovery from Israel points to complicated evolutionary process

The Nesher Ramla fossils, dating back to 120,000-140,000 years ago, represent late survivors of a population of humans in the Middle East. The discovery suggests that interactions between different human species were more complex than previously believed, with genetic contributions from the Middle East into Europe during their evolution.

Pleistocene sediment DNA from Denisova Cave

The study found that Denisovans produced the oldest stone tools at the site between 250,000 and 170,000 years ago, while Neandertals arrived later. The researchers also detected modern human mitochondrial DNA for the first time, suggesting they brought new technology to the region.

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Turns out developing a taste for carbs wasn't a bad thing

A new study reveals that Neanderthals and ancient humans adapted to eating starch-rich foods as far back as 100,000 years ago. This early adaptation likely helped pave the way for the expansion of the human brain due to the glucose in starch, which is the brain's main fuel source.

Genes linked to creativity were the "secret weapon" in the survival of Homo sapiens

An international team of scientists has identified 267 genes linked to creativity that differentiate Homo sapiens from Neanderthals, suggesting this genetic difference enabled humans to replace them. These genes are also associated with superior adaptation to the environment, resilience to ageing and disease, and greater physical fitness.

Nuclear DNA from sediments helps unlock ancient human history

Researchers at the Max Planck Institute for Evolutionary Anthropology developed new methods to enrich and analyze human nuclear DNA from sediments. This breakthrough allows for the study of population relationships and the deep human past, providing new opportunities for investigation and expanding the range of options to tease out evo...

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Genomes of the earliest Europeans

Researchers sequenced the genomes of the oldest Europeans, finding they contributed genes to present-day East Asians and had extensive Neandertal DNA. This suggests frequent mixing with Neandertals when first modern humans arrived in Europe.

Neanderthal ancestry identifies oldest modern human genome

Researchers have identified the oldest reconstructed modern human genome, dating back around 2,000 years, from a fossil skull in Czechia. The study suggests that early modern humans did not successfully adapt to Europe, with a possible explanation being the Campanian Ignimbrite volcanic eruption.

Timing of Neanderthal disappearance from Northwest Europe

A recent study has revised the timing of Neanderthal disappearance from Northwest Europe using compound-specific radiocarbon analysis, yielding ages up to 10,000 years older than previously reported. The new dates estimate a departure around 44,200-40,600 years ago, contradicting previous findings.

Neandertals had the capacity to perceive and produce human speech

Researchers discovered that Neandertals possessed the ability to perceive and produce human speech, with similar auditory capacities as modern humans. The study found that Neandertal ear structures were 'tuned' to hear frequencies within the range of modern human speech sounds.

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Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Neanderthals and Homo sapiens used identical Nubian technology

A study published in Scientific Reports reveals that Neanderthals used the same Nubian Levallois technology as Homo sapiens, pushing the southernmost known range of Neanderthals. The analysis of a fossil tooth and associated archaeological assemblage suggests a mixing ground between populations.

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New evidence: Neandertals buried their dead

A team of researchers has found evidence that Neandertals buried their dead, with a two-year-old child discovered at the Ferrassie site in France. The discovery dates back to around 41,000 years ago and provides new insights into the burial practices of our ancient relatives.

The impact of Neandertal DNA on human health

Researchers analyzed Neandertal-associated phenotypes in Asian and European populations, finding shared variants increasing risk of autoimmune diseases like dermatitis and rheumatoid arthritis. In contrast, a specific gene variant in Asians had a protective effect against prostate cancer.

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