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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

Value-based payments disproportionately impact safety-net hospitals

A new study reveals that value-based incentive programs aimed at reducing health care-associated infections did not improve infection rates in either safety-net or non-safety-net hospitals. Safety-net hospitals continued to experience higher rates of health care-associated infections, highlighting persistent disparities in the healthca...

Apple iPhone 17 Pro

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

Number of HIV-1 founder variants determined by source partner infection

A new modeling study suggests that the number of infection-initiating viral variants is primarily determined by how long the source partner has been infected. The risk for multiple-founder variant transfer during sexual HIV exposure is nearly doubled during the first three months of the source partner's infection.

Did a common childhood illness take down the Neanderthals?

A new study suggests that chronic ear infections caused by a flat Eustachian tube angle may have led to the demise of the Neanderthals. This condition would have been a lifelong threat to their health and survival, making it difficult for them to compete with Homo sapiens for resources.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Europe: Chronic hepatitis B infections on the rise since 2008

Since 2008, chronic hepatitis B infections have increased steadily in Europe, with 58% of newly reported cases classified as chronic in 2017. Successful national vaccination programmes have contributed to a decline in acute cases, but incomplete data and varying surveillance systems hinder detailed epidemiological analysis.

Immune system discovery inspires a new barometer for inflammatory diseases

Researchers at the University of Toronto have discovered two distinct neutrophil states in blood, which vary depending on patient health and infection status. These findings may lead to new models for disease detection and monitoring, such as tracking primed neutrophils to predict inflammatory diseases.

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.

Surgical implications of rising heroin abuse

The article discusses the rising trend of heroin abuse in the US, which has led to an increase in surgical complications such as skin and soft tissue infections, septic thrombophlebitis, and mycotic pseudoaneurysms. Rapid recognition and management of these complications are crucial to prevent life-threatening outcomes.

Many antibiotic courses for common infections not in line with guidelines

Researchers found that antibiotic treatment courses for common infections in English primary care often deviate from guidelines, with the majority of excess days attributed to respiratory conditions. The study suggests that reducing antibiotic overuse through better adherence to recommended treatment durations may have significant scope.

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.

Malaria detectable in olfactory cocktail

Researchers at ETH Zurich have identified volatile biomarkers that can detect malaria in people with no external symptoms. The study found that changes in human odours are characteristic of both acute and asymptomatic malaria infections, allowing for nearly 100% detection rate even at low pathogen quantities.

Brief exposure to tiny air pollution particles triggers childhood lung infections

A new study found that brief exposure to fine particulate matter PM2.5 is associated with the development of acute lower respiratory infection (ALRI) in young children, leading to increased doctor visits and hospitalizations. The research suggests that air pollution may impair the body's ability to fight off infections or cause damage ...

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.

Brief exposure to tiny air pollution particles triggers childhood lung infections

Research found that acute lower respiratory infection (ALRI) is associated with elevated levels of fine particulate matter PM2.5 in young children, even those as young as two months old. The study, involving over 100,000 patients, suggests that air pollution may impair the immune response and increase susceptibility to infections.

Are antibiotic courses prescribed for sinus infection too long?

Most antibiotic courses for acute sinus infection in adults exceed five days, despite guidelines recommending a maximum of seven days. The study analyzed over 3.7 million visits by private practice physicians and found that nearly 70% of prescribed treatments lasted longer than 10 days.

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.

Steroids not effective for chest infections in non-asthmatic adults

A new study published in JAMA found that oral steroids do not reduce the duration or severity of symptoms in non-asthmatic adults with acute chest infections. Researchers compared 398 participants who received prednisolone for five days to those receiving a placebo, and found no significant difference in symptom improvement.

Study confirms vitamin D protection against cold and flu

A global study confirms that vitamin D supplementation reduces the risk of acute respiratory infections by cutting it in half for individuals with severe vitamin D deficiency. Regular supplementation also offers benefits, whereas occasional high doses show no significant impact.

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.

Researchers shed light on how viruses enter the intestine

A recent study has provided the first details of how enteroviruses, which cause millions of infections worldwide annually, may enter the body through the intestine. The researchers used a mini-gut model to demonstrate that echovirus 11 induced significant damage to intestinal cells, facilitating passage into the bloodstream.

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.

Calcium induces chronic lung infections

Researchers at the University of Basel discovered that calcium induces the transition from acute to chronic infections in Pseudomonas aeruginosa, a life-threatening pathogen. This shift enables the bacteria to adapt and survive in the lungs, making treatment more challenging for patients with cystic fibrosis.

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.

New study: Estimated burden of healthcare-associated infections

A new study estimates the combined burden of six healthcare-associated infections to be higher than that of diseases like influenza, HIV/AIDS, and tuberculosis together. The estimated annual burden is approximately 2.5 million disability-adjusted life years (DALYs) in the EU/EEA.

Preserving the power of antibiotics

A US university is testing an intervention to reduce antibiotic prescriptions for viral infections, a major contributor to antibiotic resistance. The study focuses on adult acute bronchitis and children's upper respiratory tract infections, aiming to promote better use of antibiotics and reduce resistance.

Researchers report new Zika complication

Researchers have reported a new neurological complication of Zika virus infection, specifically sensory polyneuropathy, in a Honduran patient. The study highlights the potential for Zika virus to cause acute infectious sensory polyneuropathy, which began during the acute infectious phase.

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.

Hidden tooth infections may predispose people to heart disease

A Finnish study found that nearly 60% of patients with coronary artery disease also had dental root tip infections. The researchers discovered a strong link between the two conditions, suggesting that oral infections may contribute to heart disease risk. Root canal treatment may help reduce this risk.

US Army part of team to win HIV Cure Research grant

The US Army's MHRP is part of a collaborative research team awarded $4.6M per year to develop an integrated approach to finding an HIV cure. Researchers will study immune responses generated by therapeutic vaccines and broadly neutralizing antibodies.

Early antiretroviral therapy reduces gut inflammation in HIV+ individuals

Researchers found that early combination antiretroviral therapy (cART) blunts gastrointestinal inflammation and immune activation in acutely infected HIV patients. However, cART did not restore CD4+ T cell counts in the gut, suggesting that earlier therapy may be beneficial but with limited long-term benefits.

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.

First case of acute myelitis in a patient infected with Zika virus

A young patient infected with Zika virus presented with motor deficiency, intense pain, and urinary retention. Researchers detected high concentrations of the virus in cerebrospinal fluid and treated the patient with methylprednisolone, leading to improved neurological conditions.

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.

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.

Common hospital soap effective in preventing hospital-acquired infections

A new study reports that bathing patients in chlorhexidine was equally effective in preventing MRSA transmission as current contact precautions, reducing contamination events by 29%. The research challenges the practice of limiting patient contact and may provide a cheaper alternative strategy for improving patient care.

Fluke 87V Industrial Digital Multimeter

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

HIV not as infectious soon after transmission as thought

Researchers estimate that newly infected individuals with HIV are less likely to spread the virus to others during the acute phase of infection, which may improve strategies to control HIV's spread. This finding bolsters the approach of treating patients with antiretroviral drugs before the onset of AIDS to prevent transmission.

Hospital readmissions following severe sepsis often preventable

A recent study found that approximately 40 percent of hospitalizations for severe sepsis can be prevented or treated early to avoid rehospitalization. The most common readmission diagnoses included ambulatory care sensitive conditions such as heart failure and pneumonia.

Hospitalized patients don't wash their hands enough, study finds

A study conducted by McMaster University researchers found that hospitalized patients wash their hands infrequently, with rates as low as 3% when entering and leaving their rooms. The research emphasizes the importance of educating patients on hand hygiene practices to reduce the spread of infection.

Healthy humans make nice homes for viruses

A recent study found that healthy individuals carry an average of five types of viruses on their bodies, with some individuals harboring up to 15 viruses. The researchers discovered seven families of viruses, including strains of herpes viruses not associated with sexually transmitted infections.

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.