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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

Fluke 87V Industrial Digital Multimeter

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

Mystery of color patterns of reef fish solved

Researchers found that closely related reef fish species with vastly different colour patterns are most pronounced when their ranges overlap. The study also discovered that this divergence in colour patterns can occur quickly over 300,000 years but remains stable for millions of years.

Eleven seal species narrowly escaped extinction

A study published in Nature Communications reveals that eleven seal species narrowly escaped extinction, with most surviving strong population declines. However, four species, including the northern elephant seal and Mediterranean monk seal, suffered severe genetic loss due to overhunting.

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.

Apple iPhone 17 Pro

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

Cranial shape variation in apes and humans

Researchers found cranial shape variation within species reflects genetic diversity. Genetic drift and mutation processes underlying genetic diversity are likely drivers of this variation.

Loss and recovery of mammal diversity

The study calculates mammalian phylogenetic diversity loss due to extinctions since the Last Interglacial. Global losses exceed expected random extinctions, with recovery estimated at 3-5 million years for PD lost during this period.

Fly mating choices may help explain variation across species

Researchers at the University of Stirling investigate how female dance flies use sexual ornaments to attract mates, finding that females deceive males by inflating their appearance to increase food rewards. This discovery sheds light on the role of sexual selection in creating diversity among species.

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.

Researchers develop new approach to conserving tree species

Researchers have developed a new approach to conserving tree species, focusing on increasing genetic diversity and efficiency in protection. The method can be tailored for successful conservation of any species, including custom-tailored seed collection protocols.

Evolution of animal designs

The study reveals that animal biodiversity has expanded episodically to the present day, contrary to theories of a single Cambrian explosion. The development of life until the Cambrian period included a wide range of designs, with regulatory genes playing a key role in increasing diversity.

Bird communities dwindle on New Mexico's Pajarito Plateau

Research reveals a 73% decrease in bird abundance and 45% drop in species diversity at nine sites surveyed on the Pajarito Plateau. The decline may signal early effects of drought, hotter temperatures, and bark beetle outbreaks on piñon pine trees.

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.

Animals and fungi enhance the performance of forests

A new study reveals that animal and fungal species have a significant impact on forest performance, including carbon storage and climate regulation. The research, conducted over ten years in subtropical forests, found that biodiversity must be considered as a whole to maintain forest health.

Build an ark? Biologists discuss conservation prioritization

A team of international scientists found that preserving phylogenetic diversity among species can preserve 18% more functional diversity than selecting species at random. However, in some areas and groups, this method was less effective, highlighting the need for further research and adaptation.

Tiny jumping roundworm undergoes unusual sexual development

Scientists have discovered significant differences in gonad development between Steinernema carpocapsae and C. elegans, highlighting the diversity of neuronal anatomy across nematode species. This research has practical applications for commercializing biocontrol products and advancing our understanding of genetic processes.

Breathing better may be an added benefit of biodiversity

A study of nearly 50,000 New Zealand children found that greener neighborhoods are less likely to develop asthma, while low plant diversity is associated with a higher risk. Biodiversity conservation may provide concrete health benefits beyond its ecological significance.

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.

Minimising the impacts of palm oil plantations

A new study by James Cook University found that palm oil plantations in Colombia can have devastating impacts on wildlife, but also identified factors that can improve species diversity within plantations, such as dense undergrowth vegetation and proximity to forest.

Climate change in Quebec equals a much greater diversity of species?

Climate change in Quebec could lead to a greater diversity of species in national and provincial parks. By 2100, up to half of the protected regions may see an increase in species turnover of over 80%. The researchers suggest rethinking conservation strategies to prioritize site resilience and connectivity.

Spread of neotropical biodiversity

Researchers studied 4,450 species in American tropics, finding Amazonia as primary source of diversity, with over 2,800 lineages. The study highlights the role of dispersal in assembling regional biotas across Mesoamerica and northern South America.

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.

Rare sharks are no longer in the 'dark,' thanks to new species survey method

Researchers analyzed genetic material from organisms to assess dark diversity of sharks and found three times more species in wilderness areas than traditional visual methods. The results suggest a lower estimated dark diversity of sharks in the region, potentially impacting IUCN Red List classifications and aiding conservation efforts.

New ancestor of modern sea turtles found in Alabama

A new ancestor of modern sea turtles has been found in Alabama, dating back to the Late Cretaceous epoch. The discovery reveals two distinct species within the Peritresius clade, expanding the known evolutionary history of these marine reptiles.

Turtle shells help decode complex links between modern, fossil species

Researchers used geometric morphometrics to analyze shell shape in eastern box turtles, finding a gradient of variation that carries through to modern box turtles. The study suggests some fossils represent lost subspecies or extinct species, while others show a closer relationship to modern species.

Paleontologists put the bite on an ancient reptile from New England

Researchers have identified a new species of ancient reptile, Colobops noviportensis, with unusually developed jaw muscles, revealing insights into prehistoric environments and animal adaptations. The discovery sheds light on the origins of modern vertebrates in a world already inhabited by diverse physical extremes.

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.

Monitor climate change, not predators, to protect lake diversity: Study

A new study from the University of Guelph finds that climate change and environmental factors are more threatening to fish diversity than predators in freshwater lakes. The research highlights the importance of monitoring lake conditions, including warming temperatures and water quality impacts, to protect species diversity.

'We're sleepwalking into a mass extinction' say scientists

A study by UK scientists reveals that species living in symbiosis with others may be the most vulnerable to extinction, with rising sea levels threatening freshwater habitats. The research suggests that these ecosystems are delicately balanced and threatened, making them prone to extinctions.

Human diets and fruit species distribution

Researchers found Neotropical fruit species in Central and South America have larger geographic ranges when linked to human diets, suggesting human impact on species distribution. Human use of these fruits may have driven the expansion of their ranges.

There are more mammal species than we thought

A recent study published in the Journal of Mammalogy reveals that over 1000 new species of mammals have been described globally during the last dozen years. This rate of species discovery parallels that seen in global amphibians, driven by advances in DNA analysis methods and field exploration.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

The disappearance of common species

A study published in Biological Conservation found that widespread insects are threatened with a decline in species diversity, genetic diversity, and ability to adapt to environmental changes. The research highlights the importance of maintaining genetic diversity through population exchange for common species.

Untangling the complex taxonomic history of a Neotropical liana genus

Scientists used integrative taxonomy to recognize five well-defined species in the genus, including a newly described species from Colombia and Venezuela. The study highlights the importance of accurate species recognition for conservation priorities, with lianas contributing significantly to tropical forest diversity.

Giant extinct burrowing bat discovered in New Zealand

A team of scientists has discovered a new species of giant extinct burrowing bat in New Zealand, dating back to the Miocene era. The fossilized remains of Vulcanops jennyworthyae were found near St Bathans, with estimates suggesting it was three times the size of an average bat today.

Mass extinctions remove species but not ecological variety

A study by University of Chicago scientists found that mass extinctions removed species but retained ecological variety, whereas environmental changes lead to significant losses in functional diversity. The researchers analyzed two major mass extinctions and discovered a pattern of survival among functional groups.

Many Midwestern retailers sell mislabeled invasive vines

Many Midwestern retailers are selling oriental bittersweet, an invasive species, as native American bittersweet. Researchers found that 54% of plants labeled 'American bittersweet' were actually oriental bittersweet, which can outcompete and harm the native plant.

Celestron NexStar 8SE Computerized Telescope

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

Call for action to tackle threat to a global biodiversity hotspot

A new study reveals that an invasive Australian tree species, Pittosporum undulatum, is posing a significant threat to the global biodiversity hotspot in Jamaica's Blue Mountains. The species has already outpaced native trees, reducing their regeneration and threatening rare and endangered species.

Scientists explore mysteries behind diversity of DNA composition among species

A study published in Nature Ecology and Evolution reveals that G+C composition is generally strongly favored across different species, regardless of genome size or location. The researchers used large-scale DNA sequencing data to demonstrate a correlation between G+C content and the expectations based on neutral mutations.

A classic Darwinian ecological hypothesis holds up -- with a twist

A University of Colorado Boulder-led study confirms that climate factors limit species expansion in stressful environments, but interactions with other species play a crucial role in shaping range limits. The researchers found that stress impacts plant growth, survival, reproduction, and germination, which drives the pattern.

Sardines take us to the sources of biodiversity in the Amazon River

Researchers developed a statistical model to study the origin of genetic diversity in Amazonian sardines, revealing interactions between geographical distance, waterfalls, and floodplain size. The approach could be used for conservation strategies, helping to assess human impact on biodiversity in various ecosystems.

Complex, old-growth forests may protect some bird species in a warming climate

Researchers found that old-growth forests with diverse tree sizes and species can buffer the effects of warming temperatures on birds. The study suggests that large trees function as heat sinks during warm periods and multiple canopy layers provide climate buffering effects, supporting stable populations of some bird species.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Sorry, Grumpy Cat -- Study finds dogs are brainier than cats

A new study by Vanderbilt University researchers found that dogs have significantly more cortical neurons than cats, indicating a higher level of intelligence. Dogs possess about 530 million neurons, while cats have around 250 million, suggesting that dogs are brainier than cats.

Evolution: The beneficiaries of mass extinction

A new study reveals that mass extinctions have predictable consequences, leading to low diversity and the emergence of dominant species. The researchers analyzed nearly 900 animal species between 260-175 million years ago and found a global pattern of 'disaster faunas'.

Deer prefer native plants leaving lasting damage on forests

A new study found that white-tailed deer prefer native plants to invasive species like garlic mustard and Japanese stiltgrass. This leads to a decrease in native plant diversity and an increase in non-native species, altering forest ecosystems.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Tropical diversity takes root in relationships between fungi and seeds

A team of scientists discovered that tropical fungi form species-specific associations with seeds, influencing survival and germination rates. The study found that different fungi can aid or hinder seed development, depending on the seed species, providing new insights into the persistence of tropical forest diversity.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Coffee and bees: New model of climate change effects

A new model of climate change effects suggests that diversity in bee species may save the day for coffee production in Latin America. The study, which considers both plants and animals, predicts that at least five bee species will be left in future coffee-suitable areas, with 10 species remaining in about half of the regions.