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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

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Researchers reveal ancient dietary habits and early human use of plant foods

A groundbreaking study by Bar-Ilan University reveals that ancient hunter-gatherers relied heavily on plant foods, particularly starchy plants, for energy. The findings contradict the prevailing narrative of animal protein-based diets and offer new insights into early human processing methods and social behaviors.

Prehistoric hunter-gatherers heard the elks painted on rocks talking

Researchers found that ancient rock painting sites by water generated strong echoes that could be heard by people approaching the site. The echoes allowed prehistoric hunter-gatherers to perceive their surroundings in a unique sensory environment. This discovery sheds light on the importance of sound reflections in past societies.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Study helps explain how children learned for 99% of human history

A Washington State University-led study found that cultural knowledge is transmitted through a complex network of relationships, with non-related adults playing a significant role. This approach to learning enables the preservation of cultural traits and innovation over time.

How humans evolved to be ‘energetically unique’

A new Harvard study finds humans possess higher metabolic rates than primates and apes, allowing for bigger brains, longer lifespan, and increased reproduction. Humans have 'escaped a tradeoff' between resting and active metabolism due to unique sweating ability.

Microbes in mouth reflect lifestyle choices

A recent study published in the journal Microbiome found that lifestyle factors, such as diet and smoking habits, significantly impact the composition of beneficial bacteria in the mouth. The research team analyzed saliva samples from individuals representing different subsistence strategies in Nepal and discovered a correlation betwee...

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

South African rock art possibly inspired by long-extinct species

A study published in PLOS ONE suggests that South African rock art from the 19th century may be inspired by an extinct species of tusked animal called a dicynodont. The artwork, created by the San people, features a long-bodied animal with downward-turned tusks that is comparable to fossilized remains found in the region.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Humans are born to run

Researchers found that humans were born to run due to their unique physiological traits and social benefits of endurance pursuits. Studies reveal that humans were engaging in endurance hunting tactics for thousands of years, with similar patterns observed across diverse environments.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Early arrival and expansion of palaeolithic people on Cyprus

Researchers found that Pleistocene hunter-gatherers settled in Cyprus around 14,257 to 13,182 years ago, suggesting the island was attractive for early human habitation. The rapid expansion of the population coincided with increased temperature, precipitation, and environmental productivity.

More plants on the menu of ancient hunter-gatherers

A recent study reveals that ancient hunter-gatherers in Morocco consumed a significant amount of plant foods, including Mediterranean species, which predates the advent of agriculture in the region. This finding has significant implications for our understanding of human evolution and subsistence strategies.

Ancient landscapes point to Australia’s initial human migration paths

A new landscape evolution model suggests that the first humans in Australia migrated rapidly across the continent following riverine corridors and coastlines. The study identifies areas of archaeological significance and provides insights into the impact of climate-driven geography on human dispersal.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Humans can increase biodiversity

Researchers argue that human interaction with nature is more complex than previously thought, suggesting a positive effect on biodiversity. Studies of past human interactions with ecosystems reveal both negative and positive impacts, highlighting the need for a nuanced understanding of human influence.

Stone Age strategy for avoiding inbreeding

A new study from Uppsala University found that Stone Age hunter-gatherer communities in Western Europe deliberately formed distinct families to avoid inbreeding and maintain genetic diversity. The research analyzed the genomes of several individuals buried at iconic sites in France, dating back to around 6,700 years ago.

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.

New research challenges hunter-gatherer narrative

Archaeologists have discovered that early human diets in the Andes Mountains were composed of 80 percent plant matter and 20 percent meat. This finding updates our understanding of earliest forager economies and the pathway to agricultural economies in the region.

Genetics: Chewing over poor Mesolithic oral health

Researchers analyzed DNA from birch tar samples, finding similarities with modern human mouth microbes and increased bacteria associated with gum disease. The study suggests that ancient humans' frequent use of teeth for tasks may have led to poor oral health.

Apple Watch Series 11 (GPS, 46mm)

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

Celestron NexStar 8SE Computerized Telescope

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

From passerine birds to cranes - Neolithic bird hunting in Upper Mesopotamia

In Southeast Anatolia, 11,000 years ago, early Neolithic settlers hunted a large spectrum of bird species, including small passerine birds and cranes, for meat and possibly ritual purposes. The extent of their bird-hunting activities varied between settlements, with some prioritizing certain species over others.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

A new understanding of human origins in Africa

A recent study published in Nature challenges traditional views on human origins in Africa, proposing that modern humans emerged from the interaction of multiple populations across the continent. By analyzing genomic data from diverse African groups, researchers found evidence of gene flow and mixing over hundreds of thousands of years.

Ancient genomes reveal immunity adaptation in early farmers

Researchers found that a large genetic region responsible for immune responses showed rapid evolution and more Mesolithic hunter-gatherer ancestry, suggesting that genetic variants already present in Europe were passed down preferentially. This suggests that diversity in immune genes may be just as important as adaptation to lifestyle.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Geneticists discover new wild goat subspecies via ancient DNA

Researchers uncover previously unknown lineage of wild goats over 10,000 years old in the Taurus Mountains of southern Turkey. The discovery sheds light on the region's faunal history and highlights the impact of climate change and human activity on ancient populations.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

The genetic origins of the world’s first farmers clarified

The first farmers emerged from a population admixed between hunter-gatherers from Europe and the Near East, with a mixing process starting around 14,000 years ago. Genetic data from prehistoric skeletons were analyzed using novel demographic modeling techniques to reveal complex population dynamics.

Study reveals Stonehenge landscape before the world-famous monument

A new study reveals that the Stonehenge landscape was once covered in open woodland with meadow-like clearings, inhabited by grazing animals and hunter-gatherers. The research found evidence of aurochs, red deer, elk, and wild boar, suggesting a favorable location for early inhabitants.

Before Stonehenge monuments, hunter-gatherers made use of open habitats

Researchers investigated habitat conditions at Blick Mead site, finding partially open woodland conditions that would have supported large grazing herbivores. The study suggests hunter-gatherers used this space for 4,000 years before early farmers and monument-builders arrived in the region.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Extreme genetic drift in the Maniq hunter-gatherers of southern Thailand

A recent study on the Maniq population found they exhibit high levels of genetic differentiation, similar to other isolated populations. The researchers also discovered that the Maniq retain a unique hunter-gatherer lifestyle and Hòabìnhian-related ancestry, setting them apart from other Southeast Asian groups.

How the transition to agriculture affects populations in the present day

Researchers found that hunter-gatherer groups in southwest Ethiopia have a distinct genetic profile and are related to ancestors who lived 4,500 years ago. The study suggests that the transition to agriculture is more complex than previously thought, with varying responses from different groups.

Mummification in Europe may be older than previously known

A new study suggests that mummification in prehistory was more common in Europe than thought, dating back to 8,000 years ago. The researchers found evidence of desiccation and hyperflexion in skeletal remains from the Sado Valley in Portugal.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

How humans in middle-late Neolithic China process plant food

Researchers discovered that mortars and pestles were preferred for processing rice and other plants in middle-late Neolithic China, while grinding slabs and rollers declined in use. The study provided solid evidence for the rise of mortar and pestle usage, revealing their high processing efficiency.

350-years-old remains in a Stone Age site in Portugal

Researchers uncovered bone remains of a first-generation African individual from Senegambia, buried in a Portuguese shell midden 350 years ago. The genetic signature and dietary analysis indicate that he was forcibly translocated to Portugal via the Trans-Atlantic Slave Trade.

Risky food-finding strategy could be the key to human success

A new study found that early human foragers and farmers adopted a high-risk, high-reward strategy to find food, spending more energy but bringing home nutritious meals that could be shared with their group. This allowed them to rest or engage in other activities while food was being acquired.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.