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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

Most US presidents live beyond average life expectancy

A study by University of Illinois at Chicago demographer S. Jay Olshansky found that most US presidents live longer than expected for men of their same age and era. On average, a president's lifespan was 79.8 years during the first eight presidencies

Apple iPhone 17 Pro

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

Effects of 'mini stroke' can shorten life expectancy

A new study found that having a transient ischemic attack (TIA), also known as a mini stroke, can reduce life expectancy by 20 percent. Patients experiencing a TIA have a high risk of early stroke and an increased risk of future problems that may reduce life expectancy.

Could soccer give homeless men a health kick?

Research shows playing street football two to three times a week can halve the risk of early death in homeless men. The study found improvements in aerobic fitness, cholesterol, body fat, and blood pressure.

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.

Even mild cognitive impairment appears to substantially increase risk for death

A long-term study found that even mild cognitive impairment substantially increases the risk of death, with a strong impact comparable to other chronic diseases. The study, which followed nearly 4,000 patients over 13 years, suggests that recognition of cognitive impairment in primary care practices should be given higher priority.

Why does Japan have the highest life expectancy?

Rapid declines in infectious disease and stroke mortality enabled by salt reduction campaigns, improved healthcare technologies, and universal health insurance coverage have contributed to Japan's exceptional longevity. The country faces new challenges due to an aging population and rising healthcare costs.

Life expectancy success story

Researchers found that life expectancy in deprived areas of Brazil increased at three times the rate of more affluent areas, narrowing the gap to 4.2 years by 2005. This decline in social inequalities in life expectancy corresponds to a significant increase in life expectancy between deprived and affluent areas.

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Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

HIV therapies provide near normal lifespan in Africa

A large-scale study reveals that patients in Africa receiving cART for HIV can expect a near-normal lifespan, with females living longer than males. Early initiation of treatment is associated with longer life expectancy, highlighting the need for continued investment in HIV programming.

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.

Annals of Internal Medicine tip sheet for July 19, 2011

Researchers found that testing for Lynch Syndrome in all colorectal cancer patients is cost-effective and can help identify families at risk. Antiretroviral therapy also increased life expectancy for HIV patients in Africa to nearly normal levels, with men showing lower survival rates than women. In contrast, low health literacy was li...

Life expectancy for those with Type 1 diabetes improving, Pitt study says

A new study found that people diagnosed with type 1 diabetes can expect to live up to 15 years longer than previously thought. The study, published in the American Diabetes Association's 71st Scientific Sessions, analyzed data from a 30-year prospective study and found a significant improvement in life expectancy among participants.

Life expectancy in most US counties falls behind world's healthiest nations

A new study by the Institute for Health Metrics and Evaluation finds that most US counties are falling behind the world's healthiest nations in terms of life expectancy. The study found significant disparities in life expectancy across the US, with women living longer than men in some areas but facing worse outcomes in others.

The way forward

Brazil's unique national health service has improved health outcomes, but socioeconomic disparities and regional inequalities remain. The authors emphasize the need for coordinated action among government, private sector, academia, and civil society to address these challenges and secure universal access to healthcare.

Increased life expectancy discourages religious participation

New research by Dr Elissaios Papyrakis and Dr Geethanjali Selvaretnam suggests that religious organisations should highlight social and spiritual benefits to attract younger members. The study found that life expectancy discourages young people from participating in religion, leading to older congregations.

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Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Longevity unlikely to have aided early modern humans

A new study by Erik Trinkaus suggests that early modern humans and Neanderthals had similar adult mortality patterns, with no evidence of a longevity advantage for modern humans. This challenges the theory that Neanderthal shorter life expectancy contributed to their demise.

Walking speed associated with survival in older adults

A study of 9 studies found that higher walking speeds were linked to increased survival time in older adults. Gait speed was most informative after age 75, with faster speeds corresponding to longer expected remaining life.

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.

Americans' life expectancy continues to fall behind other countries'

A Commonwealth Fund study found that US life expectancy has declined relative to other developed nations, despite higher healthcare spending. The researchers attribute the decline to flaws in the US healthcare system, including unregulated fee-for-service payments and reliance on specialty care.

20 years after the fall of the Berlin Wall: Celebrating today's Germany

Germany has made significant progress in bridging the gap between East and West in social determinants of health, with women enjoying the same life expectancy. The Charité and Humboldt University are being celebrated for their contributions to Germany's golden age of scientific discovery and medical leadership.

People are living longer and healthier -- now what?

Living longer and healthier is possible due to public health efforts and improved medical interventions. However, the aging process itself, including dementia and heart disease, remains largely unchanged, with a steady risk of death after age 110.

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

Life is shorter for men, but sexually active life expectancy is longer

A study published by University of Chicago researchers found that men can expect another 15 years of sexual activity at age 55, while women expect less than 11 years. The study also introduced a new health measure, 'sexually active life expectancy,' which was lower for both men and women.

Socioeconomic stresses could lower life expectancy, VCU researcher says

A study by a VCU researcher found that areas with high household incomes have better schools and healthier community conditions, despite being more affluent. The analysis of Virginia data showed that nearly half of deaths in disadvantaged areas could be averted if mortality rates existed statewide.

The Marmot Review: Can health equity become a reality?

The Marmot Review advocates for proportionate universalism to address health inequalities, emphasizing fairness and social justice. By reducing health disparities, England could gain up to 2.5 million extra years of life, highlighting the importance of addressing socio-economic inequalities.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Obesity will snuff out health benefits gained by smoking declines

A study by University of Michigan and Harvard researchers found that despite declines in smoking rates, the US population is experiencing a rise in obesity, which is overtaking the health benefits gained from quitting smoking. The study suggests that if current trends continue, nearly half of the population will be obese by 2020.

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

Half a glass of wine a day may boost life expectancy by 5 years

A study of 1,373 men found that light long-term alcohol consumption, especially wine, was associated with a lower risk of dying from cardiovascular disease and death from all causes. Moderate wine consumption was linked to an extended life expectancy of around five years in men.

Shorter wait means longer life for kidney transplant candidates

A new study found that patients waiting for a kidney transplant who receive care at centers with shorter wait times tend to live longer. The research analyzed data from nearly 109,000 patients and found that waiting time had the strongest effect on survival, with patients at centers with long waits having a higher risk of death.

Living longer thanks to the 'longevity gene'

A study by Kiel University confirms a special sequence variation of the FOXO3A gene is more frequent in centenarians globally, supporting its role in longevity. The research team analyzed DNA samples from 388 German centenarians and 731 younger individuals, finding consistent results worldwide.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

70 years old and going strong with Down syndrome and no dementia

A 70-year-old man with Down syndrome has aged successfully despite having the condition, challenging previous assumptions about Alzheimer's disease and increasing hopes for longer, healthier lives. Comprehensive analyses reveal potential explanations for 'Mr. C''s' remarkable case, including gene expression and an atypical genotype.

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.

Anti-HIV therapy boosts life expectancy more than 13 years

Researchers found that combination antiretroviral therapy (cART) increased life expectancy for HIV patients by more than 13 years. The study, published in The Lancet, analyzed data from 43,355 HIV-positive participants and found a nearly 40% drop in AIDS deaths.

Patients with heart failure often overestimate life expectancy

A study found that patients with heart failure significantly overestimated their remaining life span, with median overestimation of 40% compared to clinical predictions. Younger patients and those with more severe disease were more likely to make longer predictions, while depression was not a predictive factor.

Heart failure patients miscalculate life expectancy

Researchers at Duke University Medical Center found that heart failure patients significantly overestimate their life expectancy, with an average prediction of 13 years beyond accepted survival models. Despite this, patients' predictions showed no correlation with disease severity or clinical outcomes.

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Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Golf prolongs life

A study from Karolinska Institutet found that golfers have a lower death rate than non-golfers, with a 5-year increase in life expectancy. Golfing, especially with a low handicap, has beneficial health effects.

Life expectancy rises for the educated; the less-educated reap no benefit

Research from Harvard Medical School reveals that life expectancy rises significantly for individuals with more than 12 years of education, while those with less education experience little to no improvement. The study attributes the mortality gap between educated and less-educated individuals to smoking-related illnesses.

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

Annals of Internal Medicine tip sheet for Feb. 19, 2008, issue

A two-year study found that glucosamine sulfate was no better than placebo in controlling hip pain and progression of osteoarthritis. In contrast, Taiwan's universal health insurance program showed a small increase in life expectancy among the least healthy population, but with increased utilization and healthcare expenditures.

Australia's health at crossroads

The Australian health system is facing significant challenges, including inadequate funding and poor access to care for Indigenous populations. The Editorial argues that a substantial reform program is needed to achieve better health outcomes for all, building on Labor's vision for New Directions in Australian Health.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Health equity for all: Time for action

The Commission on Social Determinants of Health highlights the significant gaps in health equity across the world, with life expectancies for African and South Asian children being less than 50 years. The report emphasizes that action is needed to address social and political factors contributing to these disparities.

Motor neurone disease: Devastating, mysterious and few treatments available

Motor neurone disease is a degenerative disorder that causes loss of basic motor functions, with symptoms including bulbar-onset, cervical-onset, and lumbar-onset patients. The disease has been reported in certain populations, such as the Chamorro population on Guam, and may be linked to genetic and environmental factors.

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.

Black-white life expectancy gap narrows, but remains substantial

The black-white life expectancy gap has narrowed from 1983 to 2003, primarily due to improvements in mortality rates for homicide, HIV disease, and heart disease. However, the current difference remains substantial, with blacks experiencing a 6.3-year gap over whites.