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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

Smoking and depression weaken immune system

Researchers found depressed smokers had lower natural killer cell activity than non-smokers, while moderate smoking contributed to increased white blood cell counts and reduced NK activity. The study suggests that even moderate cigarette smoking can impact the immune system adversely.

Children Benefit Most From Sun Safety Interventions

A new study published in Health Education & Behavior found that children benefit most from sun safety interventions due to high lifetime exposure during childhood. Parents' sun safety habits strongly influence their children's behaviors, while recreation programs' policies are not significantly associated with parents' practices.

Measles Eradication Launching Set April 30

The Pan American Health Organization will launch a collaborative effort to eradicate measles from the Americas, building on progress made since 1994. The region has seen significant reductions in measles cases, but efforts must be redoubled to prevent importations and improve surveillance.

Apple iPhone 17 Pro

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

National Study Suggests Heart Attack Severity May Be Declining

A recent study suggests that heart attack severity is decreasing in the US, with possible reasons including increased preventive measures and better treatment for heart attacks. The analysis of the Atherosclerosis Risk in Communities (ARIC) study found a decline in both in-hospital and out-of-hospital coronary heart disease mortality.

Flu Shots Keep Health Workers On The Job

Healthcare professionals who received the flu vaccine lost significantly fewer days of work due to illness compared to those who did not receive the vaccine. The vaccine also reduced the rate of influenza type A and B infections among vaccinated individuals.

Dominant Persons Set Cardiovascular Rates Surging

Researchers found that dominant men and women exhibit high cardiovascular reactivity when interacting with others, responding to gender norms. In mixed-gender situations, dominant women deactive their traits, while dominant men respond to male gender role norms.

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.

Inner-City HIV Patients Fail To Take Advantage Of Available Therapies

A study by Emory University infectious disease specialists found that most inner-city HIV patients hospitalized for HIV or AIDS had not received outpatient care or HAART therapy in six months prior. Despite the effectiveness of combination drug therapy, patients often fail to take advantage of available resources.

Major Gaps Exist In Food-Safety Surveillance, CSPI Charges

A new report by the Center for Science in the Public Interest (CSPI) reveals significant gaps in food safety surveillance. CSPI calls on CDC to publish a comprehensive list of foodborne-illness outbreaks, citing concerns that public health officials are not being informed about outbreak trends in a timely manner. The report finds that ...

Diabetes And Periodontal Disease Connection

People with diabetes are at increased risk of getting periodontal disease, which can lead to problems with blood sugar control and complications like vision problems and cardiovascular disease. Clinical studies show that people with severe periodontal disease are six times more likely to have poor glycemic control.

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.

Vasta To Address Diseases Of Marine Environment At AAAS Meeting

Dr. Gerardo Vasta will discuss diseases in the ocean, including parasitic diseases affecting shellfish and fish species, which can harm human health and the environment. He will also highlight the importance of developing accurate probes for detection and monitoring of pathogens.

Even People Who Are Completely Paralysed Can Teach Their Brains To Type

Researchers have developed a device that allows paralyzed patients to write sentences on a computer screen using their brain waves. The system uses slow cortical potentials, which are recorded more reliably than other components, and enables patients to control a cursor and select characters from a panel.

Tracking Program Boosts Rate Of Child Immunization 20 Percent

A tracking and outreach program in Rochester increased child immunization rates by 20% for children living in the poorest inner-city neighborhoods. The program successfully brought these children into the healthcare system, addressing barriers such as lack of transportation, education, and financial struggles.

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.

Women's Health Study Reaches Recruitment Goal

The Women's Health Initiative has reached its recruitment goal for a 15-year study examining the causes of death, disability and frailty in post-menopausal women. The clinical trial involves 68,000 women studying estrogen and progestin effects on heart disease and breast cancer.

Celestron NexStar 8SE Computerized Telescope

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

40 Percent Of Deaths Are Environmental

A Cornell University study found that 40% of world deaths can be attributed to environmental factors. The study highlights the impact of organic and chemical pollutants, climate change, and emerging diseases on human health.

Anti-Microbial Agent Kills Influenza Virus

Researchers at the University of Michigan have discovered a new anti-microbial agent called BCTP that effectively kills the influenza A virus in cell cultures and laboratory mice. The study found that BCTP is non-toxic to skin and mucous membranes, making it a promising alternative to traditional vaccines.

Meta Quest 3 512GB

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

Cyclosporin Appears Effective In Treating Heart Disease

Researchers at Cincinnati Children's Hospital Medical Center have found that cyclosporin can prevent hypertrophic cardiomyopathy (HCM) in rats and mice. This is an inherited form of heart disease affecting one in 500 individuals, characterized by cardiac hypertrophy.

Severity Of Classic Heat Stroke Recognized

A study of heat stroke patients during the 1995 Chicago heat wave found that nearly half died within a year and many suffered permanent loss of independent function. Most patients developed multi-system organ dysfunction, including neurologic impairment, which persisted long after discharge.

Fluke 87V Industrial Digital Multimeter

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

Common Anti-Viral Medication Prevents Severe Eye Herpes

Researchers have found that acyclovir significantly reduces the number of recurrences of ocular herpes disease, a condition affecting 400,000 Americans each year. The study identified patients who would benefit most from long-term acyclovir treatment and showed the drug has few side effects.

Metrifonate, A New Alzheimer Drug, Helps Behavior Problems

A new Alzheimer's disease treatment, metrifonate, has been shown to improve behavioral disturbances and mental performance in patients with mild-to-moderate dementia. The study found that metrifonate slowed the mental decline associated with Alzheimer's disease over a six-month period.

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.

CDC Lab Chief Receives Award In Clinical Microbiology

Dr. Richard Facklam, CDC Lab Chief, receives award for his contributions to clinical microbiology research, focusing on streptococci identification and pneumococcal vaccine development. He has also worked on antimicrobial resistance studies in developing countries.

New Look At How Cells Move Could Shed Light On Tumor Growth

Researchers have gained insight into the mechanisms of cell migration by altering a calcium-regulated traffic signal that dictates how cells stick to their environment. This discovery could lead to new treatments for diseases such as cancer invasion and metastasis, as well as inflammatory problems like arthritis.

10 Million Report Hunger, Even With Jobs

A new study from Cornell University and the National Center for Health Statistics found that 4% of Americans experience food insufficiency, including 6% of children and 14% of low-income populations. Many individuals without health insurance are forced to choose between paying for healthcare and feeding their families.

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.

Organ Rejection Drug Also Shows Promise For The Treatment Of Kidney Disease

Researchers found that an immunosuppressive drug commonly used to prevent kidney transplant rejection also improved patients with severe symptoms of kidney disease. The treatment reduced protein leaks and alleviated fluid retention, correcting high cholesterol levels without the negative side effects of steroids.

Careful Honeybee Breeding Combats Tracheal Mite Pests

A study at Ohio State University shows that selective breeding helps honeybees develop resistance to tracheal mites, reducing the need for insecticides. Beekeepers can maintain healthy hives without relying on chemicals by selecting and breeding mite-resistant bees.

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.

Vietnam Combat Linked To Many Diseases 20 Years Later

A study of 1,399 Vietnam veterans found that those with post-traumatic stress disorder (PTSD) were 50-150% more likely to develop serious diseases. Veterans with PTSD who saw heavy combat were particularly at risk for circulatory and respiratory problems.

Researchers Say Good Cholesterol Can Turn Bad

High-density lipoprotein (HDL) cholesterol may help trigger an inflammatory reaction in the blood vessels and accelerate atherosclerosis under some circumstances. Researchers suggest that anti-inflammatory medicines like aspirin could be useful in preventing or controlling atherosclerosis.

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.

Plant-Based Therapies Examined For Colon Cancer Prevention

Researchers at Rockefeller University are conducting a study to examine the potential of three plant-derived compounds - curcumin, rutin, and quercetin - to prevent colorectal cancer. The study aims to determine whether these compounds can safely inhibit the development of colon polyps and reduce cancer risk.

Infectious And Parasitic Diseases Still Threaten World Health

The report highlights the resurgence of infectious and parasitic diseases, including exotic ones like Ebola and dengue hemorrhagic fever. The authors call for strengthened infection control precautions, rapid diagnostic tests, and improved public education to combat these diseases.

Preventing Perinatal Infections -- For Pennies

A low-cost antiseptic solution significantly reduced postpartum infectious problems in both mothers and babies, resulting in a three-fold reduction in infant deaths related to sepsis. The solution, 0.25 percent chlorhexidine in sterile water, was applied at each vaginal examination before delivery and to babies after birth.

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.

News From The Cancer Front: Glass Remains Half Empty

Despite significant advances in cancer treatment, age-adjusted death rates from cancer have barely declined since 1991. The authors argue that resources should be redirected towards prevention and early detection, citing the challenges of changing behaviors such as smoking and diet.

Guidelines Offer Ways To Curb Antibiotic-Resistant Infections

The North Carolina Statewide Infection Control Program has prepared guidelines to prevent and control the spread of antibiotic-resistant infections, specifically MRSA and VRE. The guidelines offer practices designed to reduce transmission between patients in various healthcare settings.

Key Step In Activating Immune System Discovered

Researchers at the Weizmann Institute of Science have identified a key gene called NIK that plays a crucial role in triggering the immune response. By removing the 'brake' on the NF-kappaB protein, NIK activation sets off an immune response that could be harnessed to develop new medications for autoimmune diseases and HIV.

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.

Cat Scratch Disease Bacteria Transmitted by Fleas

A study demonstrates that the common cat flea is a competent vector for Bartonella henselae, the cause of cat scratch disease. Flea infestation control may reduce transmission between cats, and thus humans via scratches. Direct transmission from cat to cat cannot be demonstrated without fleas.

Federal Guidelines Needed to Ensure Safety in Animal

The National Academies of Sciences, Engineering, and Medicine recommends federal guidelines to ensure the safe use of xenotransplantation. The guidelines address four major areas: source animal screening, patient surveillance, tissue banking, and national registries.

Harvard Researchers Identify Key Controller In Body's Immune Response

Researchers at Harvard Medical School and Harvard School of Public Health have discovered the role of Stat 4 in determining T helper cell differentiation. The study found that Stat 4 is the master switch controlling the differentiation of T helper cells, which plays a critical role in dictating the outcome of immune responses.

Garmin GPSMAP 67i with inReach

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

Church-based Programs Use Faith to Help Smokers Quit

A year-long study found that nearly twice as many smokers made progress toward quitting in church-based programs with pastoral support compared to self-help pamphlets. The programs emphasized cultural and spiritual norms, particularly among Baptists who consider smoking a sin, leading to higher quit rates.