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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

From Health Affairs: Child mortality lower when women hold office in Brazil

Researchers analyzed data from 2000-15 and found that electing women to local, state, and federal levels of decision making reduces child mortality. Higher representation leads to reductions in child mortality rates, with a 0.038 percentage point decrease for federal Chamber of Deputies and .038 percentage points at the state level.

Coexistence and conflict between humans and bears

Brown bears increasingly live among human settlements due to habitat loss, leading to conflict and high mortality rates. The study found that connected wilderness areas and nocturnal behaviors are crucial for coexistence between humans and bears.

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.

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.

COVID-19 mortality alarmingly high in dialysis patients

A study of COVID-19 cases among dialysis patients in Spain found a significantly higher rate of infection and mortality compared to the general population. The mortality rate among these patients was found to be influenced by factors such as age, lymphopenia, and elevated LDH levels.

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.

Study puts price tag on lost earnings from racial disparities in cancer mortality

A new study by the American Cancer Society finds that racial disparities in cancer mortality result in significant economic losses, with $3.2 billion in lost earnings avoided in 2015 if non-Hispanic black cancer deaths and earning rates had been equal to those of non-Hispanic white cancer patients. The study highlights the importance o...

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.

Apple iPhone 17 Pro

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

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.

Infectious disease modeling study casts doubt on impact of Justinianic plague

Researchers cast doubt on the idea that the Justinianic Plague killed half of the Roman Empire's population. Using new mathematical models, they found it unlikely that any transmission route would have produced the described mortality rate and duration. The study highlights the importance of considering regional ecological and social p...

A new way to accurately estimate COVID-19 death toll

A Rutgers engineer has developed a mathematical model that accurately estimates the COVID-19 death toll in the United States, predicting approximately 68,120 cumulative deaths by late June 2020. The model shows high confidence in its predictions, with reported death totals closely matching its estimates.

Stark disparities in COVID-19 hospitalization and death rates among New York

A new study has identified significant disparities in COVID-19 hospitalization and death rates across New York City's five boroughs, with the Bronx experiencing nearly twice as many deaths per 100,000 persons compared to Manhattan. The research highlights the need for targeted public health strategies to mitigate these disparities.

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.

Two COVID-19 papers published in PLOS ONE

Two PLOS ONE studies use the SIRD model to forecast COVID-19 spread and examine patient CT scans for clinical features with mortality. The models predict a significant number of infections (45,000+ in Hubei) and deaths (2,700+) by February 29. In contrast, patients with severe lung features were more likely to die from the virus.

Extreme, high temperatures may double or triple heart-related deaths

Researchers found a strong association between extreme temperatures and increased cardiovascular deaths in Kuwait. The study suggests that populations in hotter regions may be more vulnerable to heat-related cardiovascular deaths due to the effects of rising temperatures on the body.

Alcoholism without borders

A study by HSE researchers reveals that alcohol-related mortality hot spots exist in regions such as north-western Russia, Belarus, south-eastern Lithuania, and eastern Poland. The study also found that standardized mortality ratios across the four countries indicate a mosaic of homogeneous and heterogeneous regions.

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.

Study unveils striking disparities in health outcomes among 2 populations

A new study found significantly higher mortality rates, hospitalization rates, and deaths after hospitalization among low-income older adults dually enrolled in Medicare and Medicaid compared to those solely enrolled in Medicare. The study suggests that health inequities persist despite efforts to improve healthcare access.

Prognosis and survival of older dizzy patients in primary care

A 10-year prospective cohort study found that older patients with vertigo had significantly lower mortality rates than those with presyncope or cardiovascular disease-related dizziness. Many patients still alive at follow-up reported substantial dizziness-related impairment, regardless of subtype or cause.

Colorectal cancer burden shifting to younger individuals

The burden of colorectal cancer is shifting to younger individuals, with incidence rates increasing in people under 50 and declining in older age groups. In 2020, there will be about 18,000 cases of CRC diagnosed in people under 50, equivalent to 49 new cases per day.

Rapid DNA test quickly identifies victims of mass casualty event

Researchers used Rapid DNA Identification to quickly identify 58 victims of the 2018 Camp Fire, a technique that can provide results within hours. This work represents the first use of Rapid DNA Identification in a mass casualty event and has since been utilized in another incident.

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.

Hospitality, not medical care, drives patient satisfaction

A new study reveals that patients' ratings of hospitals are more closely tied to hotel-like amenities and services than medical care quality. Hospitality scores have a limited impact on patient survival rates, while factors such as nurse responsiveness and room tidiness have a greater influence on satisfaction.

Child mortality in Africa

A study examining child mortality in sub-Saharan Africa found that many mothers experienced child death, even as global rates declined. The research suggests that child mortality remains a significant issue in the region.

Kidney paired donation is an excellent option for transplant candidates

Recipients of kidney paired donation experience equivalent outcomes to those receiving kidneys from other living donors, with similar rates of organ failure and mortality. The study demonstrates the safety and effectiveness of national kidney paired donation programs in treating patients with incompatible living donors.

Study: Commercial air travel is safer than ever

A new study by MIT professor Arnold Barnett reveals that airline passenger fatalities have declined significantly between 2008 and 2017, with a global fatality rate of one death per 7.9 million passenger boardings.

Meta Quest 3 512GB

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

Death rates plunge in older people with diabetes, but not younger people

A 16-year study of Hong Kong's population found that death rates from all-cause mortality, cardiovascular disease, and cancer decreased significantly in older adults with diabetes. In contrast, younger adults with diabetes experienced little to no change in their death rates over the same period. The researchers suggest that targeted p...

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.

Researchers investigate factors influencing visceral leishmaniasis death

A study found that premature deaths from visceral leishmaniasis in Brazil were faster in urban areas and among younger patients, while those with HIV had slower survival times. The median time between symptom onset and death was around 9 days, highlighting the need for early diagnosis and treatment.

Vaccine candidate for emerging virus

A study in ferrets demonstrates a protective humoral immune response to a weakened form of SFTSV after a single inoculation, and no clinical disease or mortality. The findings suggest potential for this live-attenuated vaccine candidate to provide cross-genotype protection against the emerging virus.

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.

Differences in replacement level fertility point to inequalities

A new study calculates replacement level fertility based on actual rates, revealing countries with fertility levels above 2.1, often due to high mortality and gender inequality. The findings show that many countries have a higher replacement rate than commonly assumed, highlighting the need for policy adjustments.

Analysis of US life expectancy

Analysis of US life expectancy reveals a nearly 10-year increase from 69.9 years in 1959 to 78.9 years in 2016, driven by factors such as drug overdoses, suicides, and organ system diseases among working-age adults.

People in counties with worse economies are more likely to die from heart disease

A new study by Penn Medicine found that counties with worse economies had higher cardiovascular mortality rates, particularly among middle-aged adults. The research suggests that economic disparities contribute directly to health disparities and highlights the need for interventions such as policies like a health insurance expansion.

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 raises new warnings about frail surgery patients

A VA-funded study found that frail surgery patients are at a significantly higher risk of mortality, even after low-risk procedures. Mortality rates were alarmingly high, with 30-day death rates ranging from 1.6% to 43%. The researchers recommend assessing frailty before any surgical procedure and focusing on pre-operative interventions.

Even low-stress surgery can be fatal for frail patients, study finds

A retrospective study of 432,828 veterans patients found that frail individuals had higher mortality rates after low-stress and moderate-stress surgeries. The 30-day mortality rate among frail patients after a low-stress procedure was 1.55%, significantly higher than the 1% often used to define high-risk surgery.

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.