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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.

Animals that play with objects learn how to use them as tools

Researchers found that birds learned about object properties through exploration before using them to solve tasks. The study suggested that playful exploration enables animals to gather information about their physical world, leading to creative problem-solving.

Imagining a world without species

A theoretical physicist proposes an alternative approach to species classification by considering the dynamics of microbial communities as a whole. This framework may help researchers better understand complex biological systems and their role in human diseases.

Biodiversity just as powerful as climate change for healthy ecosystems

A recent study published in Nature found that biodiversity is a more powerful predictor of biomass production than climate change, with diverse ecosystems producing higher biomass and toppling climate as the most important factor. The research, conducted by a team at the Smithsonian Environmental Research Center, analyzed data from ove...

Apple iPhone 17 Pro

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

Both chimpanzees and humans spontaneously imitate each other's actions

A new study from Lund University reveals that both humans and chimpanzees engage in similar levels of imitation in zoo settings, suggesting a more complex understanding of ape cognition than previously thought. The study highlights the social and communicative role of imitation in these species.

Post-whaling recovery of Southern Hemisphere

Researchers use complex ecosystem model to predict whale numbers by 2100, finding some species will not recover, while others like humpbacks are expected to make full recovery. Southern Hemisphere whaling has led to slow growth rates and reduced populations in several species.

Pollinator extinctions alter structure of ecological networks

Field experiments show that removing a dominant pollinator species alters foraging patterns among remaining pollinators, leading to changes in plant visitation and reduced biodiversity. This study highlights the importance of considering ecological cascades in predicting the impact of pollinator extinctions on ecosystems.

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.

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.

Protozoan parasite increases risk of colitis, study reveals

Researchers have discovered that mice infected with the common gut parasite Tritrichomonas muris are at an increased risk of developing inflammatory colitis. The study highlights the need for a better understanding of cross-kingdom interactions between host and protozoa within the gastrointestinal tract.

Yeast gene rapidly evolves to attack viruses, researchers find

Researchers have discovered that a yeast gene called XRN1 rapidly evolves to recognize and destroy attacking viruses. This finding suggests that non-immunity proteins can play a role in viral defense. The study's results provide new insights into the genetic arms race between hosts and viruses.

Bird bugs shed new light on malaria infection

Researchers found that bird habitat and parasite interactions significantly impact malaria infection risk, with co-infections occurring in 36% of infected birds. The study advances understanding of parasitic disease in both humans and wildlife.

Malaria study shows how multiple infections make disease worse

Research in mice shows that one type of malaria parasite helps another thrive by exploiting resources, leading to worse health risks. The finding explains why co-infections with two types of malaria parasites often have more severe outcomes than single infections.

Celestron NexStar 8SE Computerized Telescope

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

Free articles on Aedes albopictus, mosquitoes that may transmit Zika

A special collection of articles from the Journal of Medical Entomology provides in-depth research on Asian tiger mosquito, Aedes albopictus, including its introduction to North America, disease transmission, and control measures. The studies highlight the importance of understanding this invasive insect for effective mosquito management.

PNNL helps lead national microbiome initiative

Scientists at PNNL are part of a core group advising the White House on microbiome research. The National Microbiome Initiative aims to study microorganisms' impact on climate science, food production, and human health.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Dynamic model helps understand healthy lakes to heal sick ones

Researchers created a dynamic model of microbial species interactions in Lake Mendota, understanding the effects of environmental factors on sub-communities and individual species. The model can predict interactions as conditions change, offering insights into healthy lakes and potential cures for sick ones.

Engineered monomeric streptavidin

Researchers have engineered a novel variant of streptavidin that forms a stable monomer and binds biotin without crosslinking, allowing for efficient biotinylation of targets. The optimized monomeric streptavidin (mSA) can be fused to proteins to create a bi-functional molecule, enabling proximity-dependent biotinylation techniques.

Mating without males decreases lifespan

Researchers found that hermaphrodite nematodes, which self-fertilize, have significantly shorter lifespans than their female relatives. The study suggests that early reproduction and potential damage from mating may contribute to the decreased lifespan in hermaphrodites.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

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

Building off known genomes to advance systems and ecosystems biology

The U.S. Department of Energy Joint Genome Institute has selected 27 new projects for the 2016 Community Science Program, which aims to advance systems and ecosystems biology. The projects focus on sustainable bioenergy production, plant microbiomes, and terrestrial biogeochemistry.

Cryptic invasions by ecological engineers conceal profound changes in nature

A new study found that introduced salt marsh plants, like Spartina alterniflora, have caused significant shifts in ecosystem productivity and biodiversity over the past 200 years. These changes were likely hidden from scientists due to the 'ecological mirage' phenomenon, where our perception of nature can be illusory.

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.

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.

Male koalas raise their voices to avoid conflict

Researchers tracked male koala interactions using GPS collars, finding they bellowed to avoid confrontation with competitors. Meanwhile, females spent more time together during the mating season, suggesting female mate choice plays a role in koala social dynamics.

Attractive female flies harmed by male sexual attention

A recent Australian and Canadian study on fruit flies reveals that too much male sexual attention hinders the species' adaptation to new conditions. The research found that sexually attractive females were overwhelmed by male suitors, leading to a decrease in their egg-laying ability.

Your complete viral history revealed by VirScan

Researchers developed a new technology called VirScan to identify all viruses an individual has been exposed to over their life. The study found that people are exposed to around 10 viral species on average, but some individuals encountered up to 84 different viral species.

Tara Oceans expedition yields treasure trove of plankton data

The Tara Oceans expedition has cataloged over 35,000 planktonic samples from 210 stations worldwide, uncovering a vast reservoir of uncharted genetic diversity in marine plankton communities. Ocean temperatures appear to be the main factor driving plankton community makeup.

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.

Show us how you play and it may tell us who you are

Researchers found that parrots and crows, particularly New Caledonian crows, Goffin cockatoos, Black Palm cockatoos, and Kea, demonstrated complex object-object combinations during play. These species also combined their toys with playground objects at high rates.

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.

Populations of common birds across europe are declining

Common bird species across Europe are experiencing significant declines in population, with many providing essential services for humans such as pest control and seed dispersal. The study's findings highlight the critical importance of birds in maintaining ecosystem balance and human health.

Britain on brink of freshwater species 'invasion' from south east Europe

A new study reveals five high-risk Ponto-Caspian species, including the quagga mussel and killer shrimp, have established themselves in Britain. The invasion is expected to lead to devastating consequences for native species, with up to twenty additional species projected to arrive in the near future.

When David beats Goliath

Research by Queen's University biologist Paul Martin found that smaller bird species can overcome size disadvantages when interacting with distantly related species. The study examined 23,362 aggressive interactions among 246 bird species pairs and identified specific traits that enhance small species' abilities in conflicts.

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.

Refined biological evolution model

A new study by Petri Kärenlampi refines the biological evolution model by incorporating species interactions and varying degrees of symmetry. The results show that anti-symmetric interactions lead to large, stable ecosystems, while symmetric systems remain small.

The tiniest greenhouse gas emitters

A new study from IIASA and the University of Vienna suggests that soil microbes can break down organic matter more efficiently, emitting fewer carbon dioxide emissions. This finding has significant implications for understanding climate feedbacks and the role of soil in the global carbon cycle.

NSF grant funds study to unlock secrets of biodiversity

Researchers from five institutions will investigate biological mechanisms driving biodiversity in American Limenitidini butterflies. The project aims to reveal if diversification can be explained by biotic interactions, accelerating adaptation and species evolution.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Ants turn unwelcome lodgers into a useful standing army

Researchers found that permanent parasites that are normally a social burden protect their hosts against greater evils. The guest ants rise to defend their hosts against mobile raiders, greatly decreasing the probability of a raid. This co-evolutionary process maintains lesser evils when it helps prevent greater harm.

Revolving images and multi-image keys open new horizons in descriptive taxonomy

A new study revolutionizes species identification in taxonomy by introducing a modern revision of millipedes using innovative illustration techniques. The 'revolving SEM images' technology allows for a more detailed understanding of complex morphological features, enabling taxonomists to recognize subtle differences between species.

DNA brings materials to life

Researchers have discovered a method to control and direct the self-assembly of two distinct colloids by utilizing DNA-coated particles. This breakthrough has potential applications in various technologies, such as smart drug-delivery patches and light-reacting paints.

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.

World's most extraordinary species mapped for the first time

The study identifies key regions for conservation efforts, highlighting Southeast Asia, southern Africa, and Central America as top priorities. Conservationists must allocate limited resources effectively to protect the world's most unique and threatened species.

New research reveals how human ancestor walked, chewed, and moved

The study provides a comprehensive depiction of the early human ancestral remains from Malapa, including their unique lower back curvature and more flexible spine. The findings suggest that Au. sediba walked in a way that was a 'compromise' between bipedalism and quadrupedalism.

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.

The global gene pool of the goat is seriously under threat

The global goat population is under threat due to intensive animal husbandry systems that use a limited number of breeds. Poor handling of grazing has led to damaging environmental effects, including overloading ecosystems and threatening biodiversity.