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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

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.

Disabled elderly women receive less home care than men

A study found that disabled elderly women receive approximately 15.7 hours of informal home care per week, compared to 21.2 hours for men, and are more likely to rely on children for support. Married disabled women also tend to receive fewer hours of informal care from their spouses.

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.

Old hearts become new again

Researchers at UCLA Medical Center found that implementing a dual list for organs increases the supply of usable donor hearts for older adults. The program allows patients over 65 to receive transplants from donor hearts with minor repair needs, previously deemed unsuitable for younger patients. This approach improves patient survival ...

Better tools needed to detect delirium in ERs

A cross-sectional study found that only 35% of elderly patients with delirium were diagnosed in the emergency department, highlighting the need for improved detection methods. The study emphasizes the importance of developing better tools to identify delirium in ER settings.

Older adults living alone after hospitalization need more support

A study of older adults living alone after hospitalization found that they struggle with daily activities and are at risk of nursing home admission. Informal visits from family and friends can provide crucial support to help them recover and maintain community living.

Apple iPhone 17 Pro

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

Elderly smokers also benefit from quitting

A recent study review suggests that elderly smokers who quit can significantly reduce their risk of lung cancer, chronic obstructive pulmonary disease (COPD), and coronary artery disease. Additionally, quitting at an older age can still lead to improved life expectancy and a lower risk of smoking-induced mortality.

Race may be factor in prescription of antidepressants to elderly

A 10-year study of 4,162 elderly adults found that whites are nearly three times more likely to be prescribed antidepressant medications than African Americans. The disparity jumps to seven times more likely if only selective serotonin reuptake inhibitors (SSRIs) are considered.

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.

Among the elderly, men perceive poor health status better than women

A new study found that elderly men who rate their health as poor are more likely to die than women with similar ratings. Men's perceptions of their health are a better predictor of death risk, while women consider emotional distress from various factors, reducing accuracy in predicting mortality.

Vitamin K intake may be helpful in preventing hip fracture

A study published in the American Journal of Clinical Nutrition found that high vitamin K intake was associated with lower incidence of hip fractures in elderly participants, while no correlation was found with bone mineral density or apo-E genotype. Researchers analyzed data from the Framingham Heart Study and discovered a significant...

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.

Annals of Internal Medicine - tip sheet for February 15, 2000

A new study finds that subclinical hypothyroidism, a condition prevalent in older women with no observable symptoms, is a strong indicator of risk for hardening of the arteries and heart attacks. Additionally, low-birthweight babies and babies of underweight mothers have a high risk for a diabetic condition.

Age-related vocal changes often misdiagnosed, study finds

A new study of people aged 70-80 reveals significant voice quality differences between older adults and younger peers. Researchers recommend an acoustical test to accurately monitor potential voice disorders, as conventional tests may lead to misdiagnosis.

Laproscopic anti-reflux surgery in the elderly: Is it safe?

A study of 339 patients found that laparoscopic anti-reflux surgery is effective and safe for elderly patients, with functional outcomes comparable to younger patients. Elderly patients may tolerate the procedure better and have fewer complications than previously thought.

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.

Annals of Internal Medicine -- Tip sheet for November 16, 1999

A new analysis of the SUPPORT study found that less aggressive treatment for seriously ill elderly adults does not explain their higher short-term mortality rates. In contrast, reporting HIV-infected patients by name had a limited impact on timely care and partner notification.

Elderly patients benefit from aggressive heart treatment

A Duke University Medical Center study found that elderly patients aged 75 and older who received angioplasty or bypass surgery lived significantly longer than those treated conservatively with medicines only. The study suggests that aggressive therapies may be beneficial for the very elderly, challenging traditional treatment guidelines.

Why are the elderly so easily fooled by con artists?

Research suggests that some older adults have impaired decision-making skills, making them more vulnerable to fraudulent activities. A study found that a third of healthy individuals in their 60s performed poorly on a gambling task, similar to those with known brain damage.

Elderly heart attack patients fare well with managed care

A study by Harvard Medical School found that elderly patients with acute myocardial infarction (AMI) covered by non-profit health maintenance organizations (HMOs) received higher use of lifesaving therapy and emergency transportation compared to those with fee-for-service insurance. HMOs improved access to timely urgent care, particula...

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.

New study finds graduating nurses ill-prepared to care for the elderly

A recent study found that the majority of nurses in hospitals and nursing homes are ill-prepared to care for the elderly, with many having no formal training in gerontology. The study calls for increased geriatric education in nursing programs to ensure optimal care for older adults, who account for a growing share of healthcare needs.

High levels of iron may increase the risk of heart attacks

A new case-control study suggests that high levels of serum ferritin are associated with an increased risk of heart attacks in elderly individuals with other cardiovascular risk factors. Consuming iron-rich foods like red meat can contribute to elevated serum ferritin levels.

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.

Give Elderly Pedestrians More Time To Cross Intersections

The study found that elderly pedestrians often encounter insufficient crossing time at intersections, with many experiencing physical difficulties. The researchers emphasize the need for countermeasures such as engineering design considerations and educational campaigns to enhance safety.

Elderly Bath Help: Bars, Diet, A Few Drinks

A Cornell University study found that grab bars, good diet, and moderate drinking can significantly enhance elderly bathing functionality. The benefits of using assistive devices outweigh the costs by preventing falls, injuries, and long-term care, according to assistant professor Nandinee Kutty.

Celestron NexStar 8SE Computerized Telescope

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

Education Linked To Good Health Habits, Even In Old Age

A study of over 1,200 elderly adults found that higher levels of education were associated with healthier behaviors, biological conditions, and psychological factors. These findings suggest that social disparities may continue to affect health outcomes in late life, even among those who are functioning well cognitively.

Elderly Modify Homes Despite The Cost

A Cornell University study reveals that 6.4 million homes have modifications to accommodate elderly residents' physical limitations. The most common types of modifications include bathroom grab bars and wheelchair ramps, with 60% of homes with someone over 90 modified for mobility.

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.

UF Study: Men Think They Have Better Memories; Women Really Do

A University of Florida study found that women are more competent than men in finding personal items and remembering lists, despite men's greater confidence in their memory abilities. The research suggests that societal expectations and childhood play activities contribute to these differences.

Stroke-Preventing Operation Is Safe Even For The Elderly

A Johns Hopkins study found carotid endarterectomy (CEA) is safe for people in their 80s and 90s, with lower mortality rates than previously thought. The procedure's safety and efficacy were confirmed by analyzing data from over 9,900 procedures performed at 48 hospitals between 1990 and 1995.

Stepchildren May Expand Pool Of Caregivers For Baby Boomers

As baby boomers age, their stepchildren and stepgrandchildren may take on increased caregiving responsibilities, expanding the pool of family members who can provide support. The analysis suggests that traditional views of support ratios for retirement and long-term care may need to be reconsidered.

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.

Angioplasty Can Be Safe For Patients Over 80 Years Old

Researchers found that angioplasties in high-volume centers with skilled physicians had low mortality rates and comparable heart attack rates compared to younger patients. The study suggests that elderly patients can benefit from angioplasty when appropriate candidates, paving the way for more advanced care.

Attending Religious Services Linked To Better Health

A study of over 1,700 older adults found a strong association between frequent religious services and lower levels of inflammation. Researchers discovered that attending church regularly was only half as likely to have elevated interleukin-6 levels, which can indicate immune system dysfunction.

Fluke 87V Industrial Digital Multimeter

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

Researcher Suggests New Way To Help Elderly Avoid Being Swindled

A researcher found that older people's successful real-life experiences with swindlers and con artists are not often used in official advice, which may stem from legal liability concerns. The expert suggests incorporating individual success stories into educational materials to provide positive behavioral models for others.

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.

Teaching Older People New Skills Easier Than Previously Believed

A variable-priority technique adapted from fighter pilots has been shown to enhance skills needed for multiple and often-simultaneous tasks in older adults. The approach improved recall and pattern recognition in older subjects, narrowing the age-related gap in performance by 29 percent.

Many Older Adults Choose Life Over Death No Matter The Quality

A Purdue University study found that 10% of respondents would end their lives if faced with a terminal illness or low quality of life, while 1/3 preferred letting someone else decide. The study's findings suggest a strong need to survive and inhibitions against self-destruction among older adults.

Pets Provide Physiological Benefits For Women Living Alone

A six-month study found that elderly and young women who owned pets had lower blood pressure readings than those without pets. Pet owners experienced physiological benefits comparable to those derived from human companionship, suggesting that pets can play an important role in moderating age-related increases in blood pressure.

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.

Avoiding The ATM: Training Can Reduce Technophobia Among Older Adults

Research shows that training is essential for overcoming fears about using automatic teller machines (ATMs) among older adults. Studies have found that non-users are willing to try ATMs if shown proper usage, and hands-on training improves success rates. Banks can benefit by making ATMs more personal, interactive, and secure.

Making ATMs Easier To Use

ATMs are increasingly used due to their convenience, but users face difficulties such as machine malfunctions, poor visibility, and slow operation. Design changes and training can address these issues, incorporating technologies like touch screens, voice guidance, and Braille indicators.

Meals On Wheels Clients At Risk For Iron Deficiency

A recent study by Penn State found that Meals on Wheels clients, particularly women, are at risk for iron deficiency due to insufficient nutrition. The study's authors recommend iron supplementation as a viable solution to improve the iron status of female recipients.

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.