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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

Williams professor wins grant to study planetary nebulae

Dr. Karen Kwitter's research focuses on the chemical composition of planetary nebulae, which can reveal information about the life cycle of stars and the evolution of our galaxy. By analyzing light spectra from these clouds, she aims to refine models of galactic chemical evolution.

Just how serious a problem is alcoholism?

A recent study found that the majority of Americans with alcoholism do not receive treatment, highlighting a significant gap in care. The research identified distinct characteristics among those who did receive treatment, suggesting that treatment options may need to be tailored to address specific needs.

Coal-derived fuel burns cleaner

Researchers at Penn State have discovered that dimethyl ether (DME) produced from coal-derived syngas has lower carbon monoxide emissions compared to propane or butane. DME also exhibits similar or lower nitric oxide emissions in most cases, making it a viable alternative fuel.

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.

Scientists uncover possible cause of colitis

Researchers found that loss of the NEP enzyme fuels inflammation in mice with colitis, leading to increased substance P levels and bowel inflammation. Administering the NEP enzyme or blocking substance P can dramatically reduce inflammation, suggesting potential treatments for humans.

Apple iPhone 17 Pro

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

Age reduces aggression in boys

A study of 1,037 inner-city boys found that those with behavioral problems in kindergarten became better adjusted as they grew older. High levels of hyperactive behavior were not linked to increased risk of juvenile delinquency.

Attitudes and social norms delay adolescents' 'first time'

A new study found that adolescents' beliefs about refraining from sex, positive views on abstinence, and self-efficacy significantly influence whether they delay or rush into their first sexual experience. The research also revealed a strong association between early first intercourse and parental education levels.

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.

Rehabilitation for heart patients reduces deaths

A meta-analysis of 37 cardiac rehabilitation studies shows significant positive effects on blood pressure, cholesterol and physical exercise. Rehabilitation programs can help patients change risk behaviors and improve their quality of life.

Old electronics are new again

A new system-on-a-chip technology from CPU Tech enables seamless upgrades to high-end electronic systems without rewriting software. This innovative solution addresses the issue of electronic obsolescence, which can cost hundreds of millions of dollars to resolve.

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.

Atmospheric carbon monoxide levels decreasing in mid-Atlantic region

Researchers attribute decrease in atmospheric carbon monoxide levels to reductions in manmade emissions, consistent with trends reported by the EPA. The study found a significant decrease of around five parts per billion by volume in carbon monoxide concentration levels at Big Meadows in Shenandoah National Park, Virginia.

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.

Stigma of mental illness still exists

A new national survey reveals evidence of stigma toward mentally ill individuals, viewing them as less competent and more violent. The study found that people with schizophrenia are viewed as more unable to manage daily affairs than those with depression.

Public strongly associates violence with mental illness

A majority of Americans believe certain types of mental illnesses cause violent behavior, with over 90% linking stress as a cause. This stereotype persists despite recognition of mental illness and its causes, leading to social distance and reluctance to interact.

Inflammatory pain may help deter inflammatory diseases like arthritis

Researchers at UC San Francisco found that activated pain nerve fibers dampen the inflammatory response's first line of attack, preventing chronic diseases. The study suggests that pain acts as a negative feedback control of inflammation, which can help prevent chronic inflammatory diseases.

Scientists suggest genetic shutdown links estrogen, heart disease

Researchers found that methylation of estrogen receptor genes may be linked to atherosclerosis and increased risk of heart disease in women. The study suggests that a genetic shutdown may contribute to the perplexing results of hormone replacement therapy on heart disease.

Fluke 87V Industrial Digital Multimeter

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

Study reveals how brain controls eating in normal rats

Researchers have shown how the fat hormone leptin works in the brain to trigger nerve cells that control eating. Leptin activates 'anorectic' nerve cells releasing appetite-suppressing neuropeptides, while inhibiting 'orexigenic' cells that release appetite-regulatory neuropeptides.

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.

Microbial janitors tackle nuclear clean-up problems

Researchers are using naturally occurring microbes to clean radioactively contaminated walls and ceilings at a shut down reactor in the UK. The technology removes surface contamination through a microbial decontamination process, significantly reducing waste treatment costs and improving personnel safety.

Particulate matter causing air pollution

Researchers from around the world are measuring fine particulate matter (PM2.5) in Atlanta's air to understand its health effects and sources. The study aims to develop better instruments for measuring PM2.5 and its composition, with potential implications for controlling ozone and PM-related pollution.

Smaller class size may not improve math scores

A recent study found that U.S. math students in smaller classes (6-18 students) outperform those in larger classes, but the effect size is marginal and unclear. This contradicts findings in other countries where class size has no impact on math scores.

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.

Senior volunteering indicates well-being

A Cornell University study found that senior volunteers enjoy significantly higher levels of psychological and physical well-being than non-volunteers. The research suggests that volunteering provides retirees with social connections, routines, and a sense of purpose, leading to improved overall well-being.

Factor for acquiring skin barrier function identified

Scientists at the University of Chicago Medical Center have discovered a key gene that enables skin to acquire its barrier function, which is crucial for preventing dehydration and infections in premature babies. The study uses genetically engineered mice with a mutated Klf4 gene to demonstrate the importance of this factor.

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.

Improvements bring chemical oxygen-iodine laser closer to market

Researchers at the University of Illinois have improved the chemical oxygen-iodine laser (COIL), enhancing its performance and reducing operating costs. The device can now be scaled to high power levels and has a wavelength suitable for remote fiber-optic delivery.

Keeping ships healthy

Researchers have developed a system to network up to 30 remote sensors along a single fiber optic cable, allowing for periodic assessments of structural strain. The Navy and Federal Highway Administration are exploring the use of this technology to schedule maintenance and update design codes.

Celestron NexStar 8SE Computerized Telescope

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

Gene alterations may predict response to new cancer therapy

Researchers identified a possible new tumor-suppressor gene that plays a role in colon cancer and may predict response to new cancer therapy. The gene produces a protein important for fat cell maturity and metabolism, and its mutations may make tumors more susceptible to the antidiabetes drug troglitazone.

Scientists find first molecule that guides nerve cells through the brain

Researchers found that Slit repels young cells from their target destination, guiding them through the brain via concentration gradients. The discovery has implications for understanding neural migration and potentially treating neurological disorders such as Parkinson's disease and Alzheimer's.

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.

Correlation between brain shrinkage and education found

A study found that higher education levels are associated with more severe brain shrinkage in older adults, yet this does not lead to significant memory loss or cognitive impairment. The 'reserve hypothesis' suggests that education provides a protective effect against age-related mental decline.

Two-for-one special: industrial enzymes and food

Scientists at Pacific Northwest National Laboratory have created a new method to produce valuable industrial enzymes in plants, reducing costs and increasing efficiency. The process uses transgenic potato plants to generate cellulase enzymes, which can be used in various applications, including food processing and pharmaceuticals.

Losing hostility makes heart patients healthier

A study found that reducing hostility in coronary heart disease patients leads to improved blood pressure and reduced risk of heart disease. The intervention, which included listening skills and techniques to avoid cynicism and anger, resulted in lower diastolic blood pressures among participants.

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.

UMass researchers to present findings on May 3 tornado

Researchers from the University of Massachusetts have produced the highest-resolution data ever available on a tornado during the May 3 storm in Oklahoma. By analyzing radar signals, they aim to determine what meteorological conditions enable supercells to form and drop dangerous tornadoes.

Eating proper foods at right time after exercise can speed recovery

Researchers at the University of Illinois found that consuming foods containing leucine immediately after intense workouts can stimulate muscle protein synthesis and improve recovery. The optimal dosage is unclear, but athletes are advised to consume a balanced diet with protein-rich food and carbohydrate-rich fluids.

The lie of the tiger

Researchers at USC and UC Irvine have discovered two independent brain pathways that process visual information, highlighting the importance of integrating color and motion. The 'Third Order' system is found to be critical for detecting pure color motion, allowing humans to perceive movement in 'isoluminant' images.

Smoke-free homes increase smoker's chances to quit

A smoke-free home is strongly associated with lower cigarette consumption, longer duration of smoking cessation attempts, and increased likelihood of quitting. Family pressure and complete home smoking bans are found to be crucial factors in changing smokers' behavior.

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.

"Self-healing" discovered in a solar cell material

A team of scientists has discovered that a type of experimental semiconductor can repair itself after damage, thanks to its unique ability to move atomic bonds back into place. This 'self-healing' property could lead to the creation of more stable and effective solar cells.

New targets for nerve diseases, nerve regrowth: It's all in the handshake

Researchers at Johns Hopkins and NIH describe a previously suspected molecular bridge between nerve cells and their surroundings, which breaks down causing nerves to deteriorate. The study adds new insight into nerve disease and focuses on stimulating nerve cell regrowth in the brain and spinal cord.

Brown University research team finds keys to liver development

A Brown University research team has identified primary signals that initiate liver formation in embryonic cells. Understanding these signals could lead to new treatments for diseases such as viral hepatitis and cancer by enabling tissue regeneration and reprogramming of diseased cells.

Using spatial illusion to learn how the brain processes sound

Scientists at the University of Michigan used spatial illusion to study how the brain processes sound. By analyzing neural activity in cats and humans, researchers found that the auditory systems use similar spectral characteristics to determine sound locations.

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.

Light in liquids can be regulated electrically

Dutch chemists have developed a liquid containing metal nano-rods that can be regulated electrically to screen out sunlight. The rods' orientation is controlled by an electrical field, affecting light absorption and transmission. This innovative technology holds potential for applications in sunscreens and other devices.

Findings suggest new oxygen-sensing application for material

Researchers at Purdue University discovered a new oxygen-sensing material that could improve car exhaust systems and medical devices. The material, ferroelectric thin film, shows promise for environmental and biological applications but has a drawback: its sensitivity to oxygen affects performance in computer memory.

Preschoolers who sleep less have more behavior problems

A study of 510 preschool children found that those sleeping less than 10 hours a day are at risk for increased behavioral problems, such as oppositional behavior and aggression. The relationship between sleep and behavior problems is complex, with possible interaction effects between variables like temperament and parenting.

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.