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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

Time-to-death of Roman emperors followed distinct pattern

A statistical analysis of Roman emperors' deaths reveals a distinct pattern, with high risk in the first year and a bathtub-like curve indicating stabilization by the eighth year. The study suggests underlying processes governing the length of each rule until death, similar to reliability engineering.

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.

Novel 3D microscopy technique reveals new phenomena in living cells

A novel 3D microscopy technique allows researchers to quantify previously unseen or unexplained cell behavior. The technique has been applied to study the dynamics of organelles and fat droplets within living cells, revealing new aspects of their behavior such as synchronization of swelling among droplets.

Lazy moths taste disgusting

A recent study found that less appetizing moths are more relaxed when attacked by bats, while more palatable ones employ evasive maneuvers. The research demonstrates complex risks and rewards of anti-predator strategies, potentially allowing scientists to predict the behaviors of rare or extinct species.

Beads made from ostrich eggshell track cultural change in ancient Africa

Ostrich eggshell bead sizes in southern Africa increased with herding introduced around 2,000 years ago, while eastern Africa showed consistently larger sizes over several thousand years without correlation to herding. This suggests that cultural transmission of beads is more complex and not solely linked to herding practices.

New disease hits corals

A new coral disease has been found to alter the community of microbes on host corals, and measuring these changes may be a useful tool for monitoring coral health. The disease, known as 'grey-patch disease', was characterized by the growth of cyanobacteria, forming a biofilm that overgrew live coral tissue.

Associations between childhood maltreatment and offending behaviors later in life

A study published in BMC Public Health found that children who experienced maltreatment are more likely to engage in delinquent and offending behaviors in adolescence and young adulthood. Males showed a significantly higher frequency of non-violent offending behaviors compared to females, with no differences by race or sexual orientation.

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.

Male spiders show their sensitive side

A study on male spider mating found that they possess nervous tissue and sensory organs in their copulatory organs, contrary to previous beliefs. This discovery suggests that these organs may play a role in the transfer of sperm and assessing female spiders during mating.

New species take longer to arise in the Amazon

A new study published in PLOS Biology reveals that it takes about 3 million years for aggression levels to decline when males are exposed to songs from distant populations in Amazonia. In contrast, temperate North America species exhibit a quicker response time of around half a million years.

How does fathers' physical and mental health status impact their children?

A new study found that children of fathers with poor mental health have a higher risk of poor mental health and overall health, highlighting the significant role fathers play in their children's well-being. The researchers emphasize the need for interventions to improve father involvement in children's lives.

Apple iPhone 17 Pro

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

Chewing gum use in the perioperative period

Preoperative chewing gum use does not affect gastric emptying, while postoperative gum may aid recovery. Chewing gum can be a useful tool to aid recovery and reduce complications after certain types of surgery.

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.

Engineers demonstrate key step in robotic disassembly

Engineers have designed a robotic system to automate the disassembly of component parts, a key task in remanufacturing. The new process can reduce energy and raw materials usage by up to 90% and CO2 emissions by over 80%.

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.

Colorectal cancer rates in Canada

The incidence of colorectal cancer among younger adults in Canada has increased over the past few decades. The study found that men under 50 had an average annual percentage change of 3.47% and women under 50 had a 4.45% increase from 2006 to 2015.

Are US adults meeting physical activity guidelines?

Between 2007 and 2016, the proportion of US adults meeting aerobic activity guidelines remained relatively stable at around 65%, while sedentary behavior increased from 5.7 to 6.4 hours per day. This trend suggests a stagnation in physical activity levels despite updated guidelines recommending less sitting.

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.

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.

Bonobo diet of aquatic greens may hold clues to human evolution

Researchers observed bonobos in swamps foraging on aquatic herbs rich in iodine, a critical nutrient for brain development. This finding suggests that prehistoric humans may have obtained iodine from natural sources, potentially explaining their nutritional needs.

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.

Celestron NexStar 8SE Computerized Telescope

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

USA lags behind EU, Brazil and China in banning harmful pesticides

A recent study published in Environmental Health found that the US uses voluntary mechanisms for pesticide cancellations, leading to a delayed ban on harmful pesticides compared to the EU, Brazil, and China. The study identified nearly all pesticide cancellations in the US as being done voluntarily by the industry.

Childhood respiratory disorders may be diagnosed with a smartphone

Researchers developed an automated cough analysis technology integrated in a smartphone app, achieving high accuracy (81-97%) in diagnosing asthma, croup, pneumonia, and other respiratory diseases. The tool may enable targeted treatments to begin sooner by removing the need for clinical examinations.

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.

New snake species in Europe named after a long-forgotten Iron Age kingdom

A new rat snake species, Elaphe urartica, has been identified in eastern Turkey and its range includes Turkey, Azerbaijan, Armenia, Georgia, Iraq, Iran, and Russia. The discovery sheds light on the biogeography of the Blotched Rat Snake and fills an important piece of the Eurasian biota evolutionary puzzle.

Moving towards open science needs extensive collaboration and data sharing in Japan

A survey of Japanese researchers found that 95% had shared their data, but only 56% had created a data management plan (DMP). The main reasons for not creating a DMP were unfamiliarity with funders' requirements and lack of institutional support. Japanese researchers cited supporting research progression and transparency as motivations...

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.

Egg yolk precursor protein regulates mosquitoes' attraction to humans

A study published in PLOS Biology found that feeding mosquitoes sugar reduces their attraction to human skin, and regulates this behavior through the vitellogenin gene. This protein influences reproduction and foraging in insects, and its manipulation could reduce mosquito bites and disease transmission.

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.

Why language technology can't handle Game of Thrones (yet)

Researchers evaluated four state-of-the-art tools for recognizing names in text and found solutions to boost accuracy from 7% to 90%. They also extracted social networks from novels to explore differences in story structure. The study highlights the challenges faced by NLP tools in handling names in popular fiction.

Most links between personality traits and life outcomes are replicable

A large-scale replication project found that most links between personality traits and life outcomes are indeed replicable, with 85% of attempts reproducing previously identified trait-outcome associations. However, the study also revealed weaker-than-expected associations between some personality traits and life outcomes.

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.

New short-tailed whip scorpion species discovered in Amazon

A new species of Surazomus, a rare arachnid found in the Amazon, has been discovered with unique characteristics that provide insight into its mating habits. The species' male flagellum and female chelicerae anchor onto each other during copulation, offering clues about evolutionary changes within the genus.

People who don't drink may still suffer harms from alcohol, study suggests

Researchers estimate that alcohol use during pregnancy and drunken driving are linked to substantial harm beyond the drinker, including fetal alcohol syndrome and road traffic fatalities. Effective prevention strategies targeting vulnerable populations, such as pregnant women and road users, are necessary.

Meta Quest 3 512GB

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

Tracking urban gentrification, one building at a time

A new deep-mapping computer model detects visual changes to individual properties, allowing researchers to track gentrification in neighborhoods and cities. The model achieved 95% accuracy in detecting gentrification indicators, revealing detailed maps of spatial evolution of gentrification through time.

Chelated calcium benefits poinsettias

A study found that chelated calcium improves leaf mechanical strength in poinsettias, enhancing their resistance to physical damage. This treatment is recommended for stock plants to improve postharvest quality during shipping and propagation.

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.

'Star Wars' characters' costumes reflect shift from power to romance

A study examines how costume changes in Star Wars female leads Padmé and Leia parallel shifts in their positions of power and romantic relationships. The researchers argue that these changes contribute to the objectification of women through costume design, highlighting the importance of considering the portrayal of women in media.

Zebra stripes are not good landing strips

A new study published in PLOS One found that zebra stripes deter horse flies from landing on them by reducing the likelihood of a successful bite. The striped coat prevented flies from slowing down and failing to land, leading to fewer bites.

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.

Aloe sanguinalis, a new red Aloe from Somaliland

A new species of Aloe, Aloe sanguinalis, has been discovered in Somaliland with distinctive bright red sap and large clump formations. The discovery was made possible by Ahmed Awale's sighting of the plant while driving through the country.