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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

Global malaria map

A global malaria risk map has been released, revealing high-risk areas and providing estimates of people living in low-risk zones. The map identifies regions where existing control strategies can be used to eliminate P. falciparum transmission, potentially reducing deaths in sub-Saharan Africa.

Fluke 87V Industrial Digital Multimeter

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

Substance abuse in Somali combatants; and more

A study in PLOS Medicine found that Somali combatants' excessive use of khat, a stimulant with amphetamine-like effects, is prevalent across southern and central Somalia. The study also revealed high levels of cannabis and other drug use among combatants, posing significant challenges for post-conflict reintegration programs.

Apple iPhone 17 Pro

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

Determining cause of death in developing countries

Researchers developed new methods for estimating mortality fractions using vital registration data in Mexico, and a validation strategy for verbal autopsy data combining previous methods in China. These advancements improve health planning and prioritization in low-resource settings.

Health professionals responding to ethnic diversity

A study of British doctors and health professionals found they struggle with language barriers, cultural understanding, and uncertainty about how to care for patients from ethnic minority backgrounds. This uncertainty can lead to hesitancy and inertia in practice, contributing to inequalities in care.

Strengthening the reporting of observational research

The STROBE Initiative recommends a 22-item checklist for accurate and complete report of observational studies. The guidelines enhance the assessment of study strengths and weaknesses, as well as its generalizability. By following these recommendations, researchers can improve the quality of their work.

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.

Racial categories in medical practice and research

Experts discuss the pitfalls of racial profiling in medical research and practice, highlighting the importance of using race as a proxy for biological difference. Racial categories are social and historical, not biological or attributive, making them imprecise markers of genotypic and socio-cultural determinants of variation in health.

HIV therapy in pregnancy-data support WHO recommendations

A observational cohort study from Côte d'Ivoire found that antiretroviral therapy according to WHO recommendations prevents mother-to-child HIV transmission. The study's findings support the WHO's guidelines for preventing perinatal and postnatal HIV transmission in West Africa.

Congenital diaphragmatic hernia

Research suggests that congenital diaphragmatic hernia does not disrupt pulmonary surfactant maturation in human fetuses, contrary to previous findings. The study provides new insights into the development of this complex condition.

Preventing fractures in men -- Making the most of limited flu vaccine stocks

A study published in PLOS Medicine found that men who participate in sports or vigorous physical activity are less likely to suffer from osteoporotic fractures. The researchers analyzed data from over 2,000 men and found that those with higher levels of physical activity had a significantly lower risk of fractures. By taking exercise, ...

Italian doctors get their information on medicines from drug company sales reps

In Italy, general practitioners receive frequent visits from drug sales reps, who provide information that doctors often consider reliable. A national continuing medical education program aims to disseminate independent, unbiased evidence through Clinical Evidence, a compendium of the best available research on treating common conditions.

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.

Anti-inflammatory drugs interact with HRT, and more

Researchers found that traditional nonsteroidal anti-inflammatory drugs (NSAIDs) may counteract the heart-protective effect of hormone replacement therapy in women. Current use of hormone replacement therapy was associated with a significantly lower risk of heart attack than non-use, but NSAID use negated this benefit.

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.

Loperamide therapy for acute diarrhea in children

A systematic review of 13 trials involving over 900 children found that loperamide should not be given to children under 3 years old or with bloody diarrhoea. However, in other children, the drug may be useful in treating acute diarrhea. The risks outweigh the benefits in high-risk situations.

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.

What do we know about asthma in Africa?

The prevalence of asthma and allergic diseases has significantly increased in Ghana between 1993 and 2003. According to a study, the prevalence of exercise-induced bronchospasm and atopy doubled over this period, posing concerns for public health in West Africa.

Contraceptives and the poor; plus new findings on cryptococcosis

Researchers found that the poorest people in developing countries are least likely to use contraception, with significant regional variations. The authors emphasize the need for governments and international health organizations to focus on providing contraceptive services to those with very low incomes.

Early life family structure and microbially induced cancer risk and more

A 28-year study of Japanese-American men found that growing up in a large family or being born later in the family increased the risk of developing gastric adenocarcinoma. The results suggest that early-life social environment plays a significant role in microbially induced malignancies expressed decades later.

Erythrocyte G protein as a novel target for malarial chemotherapy

Researchers discovered that propranolol decreases erythrocyte G protein activity and inhibits blood-stage malarial parasite growth in red blood cells. The study suggests using propranolol in combination with existing antimalarials to reduce treatment doses, providing a novel antimalarial target and potential treatment strategy.

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.

Involvement of the amygdala in systemic lupus erythematosus

Research shows that patients with systemic lupus erythematosus (SLE) who have anti-NMDA receptor antibodies may experience amygdala damage, leading to altered emotional responses. The study suggests a link between the immune system and brain function in SLE.

High levels of blindness in southern Sudan following years of war

A survey in southern Sudan found a high prevalence of blindness, with 4% of the population affected. The main causes were cataract and trachoma, with trachoma being more common than expected. Trachoma can be prevented with improved living conditions, hygiene, and early treatment.

Social medicine in the 21st century

A unique study published in PLoS Medicine found significant differences in street-based drug use patterns between African American and white men, with implications for tailored interventions. The research highlights the importance of understanding cultural backgrounds and motivations to improve patient access and adherence to care.

Meta Quest 3 512GB

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

Routine HIV testing widely supported in Botswana

A cross-sectional study of 1,268 adults in Botswana found that routine HIV testing is widely accepted and may reduce barriers to testing. The authors emphasize the importance of informed consent and human rights safeguards to protect individuals from discrimination and violence related to testing.

Free access to science speeds its use

A natural experiment found that open-access articles in PNAS gained a significant citation advantage over non-OA articles, being twice as likely to be cited within 4-10 months and almost three times more likely between 10-16 months after publication. The study suggests that open access accelerates the dissemination of scientific research.

Sir Roger Penrose receives 2006 JPBM Communications Award

Sir Roger Penrose has received the 2006 JPBM Communications Award for his groundbreaking contributions to mathematics. His influential books, such as "The Emperor's New Mind" and "The Road to Reality", have made mathematical concepts accessible to a broad audience.

UCSD physicist proposes new way to rank scientists' output

A new method to rank scientific output has been proposed by a UCSD physicist, using the h-index to estimate a scientist's cumulative research contributions. The h-index is derived from citation counts and provides a single number that can be used to compare relative ranks within a discipline.

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.

Discrimination against individuals with HIV/AIDS in Nigeria

A study of Nigerian healthcare professionals found discriminatory attitudes towards patients with HIV/AIDS, including refusal to care for or admit them. The authors highlight inadequate education and resource shortages as contributing factors, and call for targeted interventions to address these issues.

PLoS Medicine refocuses world's attention on the tsunami, six months on

The special issue of PLoS Medicine examines the disproportionate death toll among women in the tsunami, highlighting pre-existing gender disparities. The article also critiques the inadequate healthcare response, including invasive media representation and ineffective psychological therapies.

Latin America shows rapid rise in published science and engineering articles

The new NSF report reveals that Latin American countries have made significant strides in publishing science and engineering articles. From 1988-2001, Brazil's output quadrupled and Mexico's more than tripled, while Argentina and Chile produced the most scientific articles per capita. The region's growing influence is reflected in the ...

No systemic racial profiling by N.C. troopers

A study conducted by NC State University researchers found that while there is no systemic racial profiling by the North Carolina Highway Patrol, individual troopers and patrol patterns contribute to disparities in traffic citations. The study suggests that factors such as accident rates, demographic composition, and driving behavior p...

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.

Three scientists to receive Presidential Enrico Fermi Award

Two researchers, Bahcall and Davis, will share an award for their groundbreaking work on neutrino physics, a field that revolutionized our understanding of the universe. Dr. Sack will receive an award for his crucial role in ensuring the reliability of nuclear weapons, thereby contributing to national security.

Bringing students back from Web to scholarly sources

A Cornell University library sciences study found that instructors setting minimal bibliographic guidelines for research led to a return of citation levels to pre-Internet era. Students now obtain references from original sources like government papers and legal documents more easily online.

Mathematician receives distinguished writing award

Ezra A. Brown, professor of mathematics at Virginia Tech, received the George Pólya Award for his article 'Square Roots from 1;24,51,10 to Dan Shanks' published in College Mathematics Journal in March 1999. The award recognizes excellence in mathematical exposition.