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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

Mini-stroke doubles risk of heart attack

Patients who have suffered a mini stroke are at twice the risk of heart attack compared to the general population. The study found that the risk of heart attack among TIA patients was about 1 percent per year, double that of people who had never had a TIA.

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.

Who owns our blood?

A University of Melbourne academic warns that lack of specific laws governing Australia's newborn screening program could threaten public trust. The program, which tests baby blood for genetic conditions, raises legal questions about who owns the blood and how it is used.

Metabolic abnormalities in obese teens may relate to poor diets

Researchers found obese teens had higher C-reactive protein levels, insulin resistance, and homocysteine levels, indicating chronic inflammation and oxidative stress. Poor dietary quality, low in fresh produce and dairy products, was common among both groups.

A dose of safflower oil each day might help keep heart disease at bay

A daily dose of safflower oil improved health measures such as good cholesterol, blood sugar, and inflammation in obese postmenopausal women with Type 2 diabetes. The researchers found a significant association between safflower oil supplementation and reduced cardiovascular disease risk.

Simple blood test detects early emphysema in smokers before symptoms appear

A new blood test measures destruction of lung air sacs and can detect early emphysema in smokers, potentially preventing disease progression. The test is a low-cost screening tool that could help the 20% of American adults who smoke or are exposed to secondhand smoke understand their risk of developing this progressive lung disease.

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.

Solving the puzzle of Henry VIII

Researchers link Henry VIII's reproductive issues, including multiple miscarriages, to Kell blood group incompatibility. The study also suggests McLeod syndrome as a possible cause for his dramatic physical transformation and mental instability.

Researcher lists more than 4,000 components of blood chemistry

Researchers at University of Alberta have identified over 4,200 blood chemicals that doctors can use to diagnose and treat health problems. The new database provides a comprehensive reference point for monitoring patient health and detecting early signs of medical issues.

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.

Nanoparticles increase survival after blood loss

Researchers at Albert Einstein College of Medicine have developed nanoparticles containing nitric oxide that improve survival after life-threatening blood loss in hamsters. The therapy maintains blood circulation and protects vital organs by increasing levels of NO gas, which relaxes blood vessels and regulates blood pressure.

Higher vitamin D intake needed to reduce cancer risk

Researchers found that daily intakes of vitamin D in the range of 4000-8000 IU/day are needed to maintain blood levels of vitamin D metabolites and reduce the risk of several diseases by half. The recommended minimum daily intake is only 600 IU/day.

Biomarker discovery may lead to reliable blood test for ectopic pregnancy

Researchers at The Wistar Institute and University of Pennsylvania School of Medicine have discovered protein markers that could predict ectopic pregnancies. A panel of biomarkers, weighing individual proteins' relative importance, may create a more sensitive and reliable test for detecting ectopic pregnancies.

Discovery of blood proteins that are red flags for ectopic pregnancy

Scientists have discovered biomarkers in the blood of pregnant women that could lead to early diagnosis of ectopic pregnancy. Almost 70 proteins were found to occur at unusual levels in women with EP, with one protein called Adam12 appearing 20 times lower than in normal pregnancies.

Meta Quest 3 512GB

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

Many stroke patients not getting preventive therapy for blood clots

Patients with strokes and spinal cord injuries are prone to life-threatening blood clots. Despite the high risk, many do not receive preventive therapy. Studies show that starting heparin medication within 24-48 hours can be both safe and effective in preventing recurrent VTE.

Firefly protein lights pathway to improved detection of blood clots

Scientists developed a new medical imaging agent using firefly luciferase that emits near-infrared light, successfully detecting factor Xa proteins in laboratory experiments. The discovery offers promise for improved monitoring of heparin therapy and treatment of blood clots.

Hope for stroke victims

Two new studies provide definitive evidence that administering a naturally-occurring enzyme called oxolacetate can reduce glutamate levels and improve outcomes in stroke patients. High glutamate levels correlate with poor outcomes, while high oxolacetate levels are associated with better recovery.

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.

New nanoparticles make blood clots visible

New nanoparticles designed to target fibrin in blood clots can be seen with a new type of CT scanner, providing early detection and potential treatment options for heart attacks. This technology has the potential to save lives by quickly identifying unstable plaque and guiding targeted treatments.

Sex in pregnancy: A primer

Potential risks of sex in pregnancy include premature labour, pelvic inflammatory disease, and blood clots, but the evidence is often contradictory and limited. For low-risk women, frequent intercourse may increase the risk of premature labour, while restricted activity is recommended for those at high risk

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.

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.

'Selective strategy' recommended for CT scans in emergency departments

Researchers recommend a selective CT scan strategy to diagnose pulmonary embolism, reducing radiation exposure and adverse reactions. The approach involves using compression ultrasound to test for deep vein thrombosis before ordering a CT scan, resulting in cost savings and increased life expectancy for patients.

Why coffee protects against diabetes

Research at UCLA reveals that coffee's protective effect against type 2 diabetes may be linked to increased SHBG levels. Women who drink four cups of coffee daily are less than half as likely to develop diabetes compared to non-coffee drinkers.

Apple iPhone 17 Pro

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

UConn cardiologists uncover new heart attack warning sign

Cardiologists at UConn Health Center have identified a protein fragment that can predict heart attack, allowing for earlier diagnosis and potentially life-saving treatment. The discovery could also lead to the development of new therapies to block cell death and preserve heart muscle function.

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.

New test can predict complications from kidney disease

Researchers found that cystatin C is more accurate than creatinine in predicting serious complications of kidney disease, including death and cardiovascular disease. A new test using cystatin C may be used to confirm or stage chronic kidney disease.

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.

Study supports gluten-free diet in potential celiac disease patients

A new study published in ACS' Journal of Proteome Research found that people with symptoms of potential celiac disease may not be 'potential' patients at all. The study suggests that these individuals have the same distinctive metabolic fingerprint as those with full-blown disease who benefit from gluten-free diets.

Researchers use patient's own blood to treat hamstring injury

A two-part treatment using injections of a patient's own blood and steroid, combined with dry-needling, has shown significant improvements in functionality and pain reduction for patients with hamstring tendinopathy. The study found that this treatment approach outperformed traditional steroid therapy alone.

Predatory bugs can save cornfields

Researchers discovered that corn rootworm larvae's nasty blood repels certain predators like ground beetles and ants. However, wolf spiders have a hearty appetite for the insects, making them an important predator in controlling corn rootworm populations.

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.

High alpha-carotene levels associated with longer life

A large study found that high blood levels of alpha-carotene were associated with a lower risk of death from all causes. Higher alpha-carotene concentrations also appeared to be linked to reduced risk of cardiovascular disease and cancer.

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.

Study examines risk of bleeding among patients taking 2 anti-platelet drugs

A study published in Archives of Internal Medicine found that dual antiplatelet therapy increases the risk of bleeding, particularly nosebleeds or minor hemorrhages. The study compared emergency department visits for hemorrhage-related adverse events among patients taking dual antiplatelet therapy versus those taking warfarin.

Assessment tool predicts blood clot risk after plastic surgery

Researchers found that the Caprini Risk Assessment Model is effective in predicting which plastic and reconstructive surgery patients will develop blood clots. Patients with a high-risk score are at disproportionately higher risk for developing late clots if not given clot-preventing medications after surgery.

Back off, Rudolph: Protecting this year's Christmas tree crop

Researchers at NC State University have discovered a cost-effective method to deter deer from damaging Christmas trees. By using inexpensive, inedible food byproducts like dried blood and egg powder, farmers can protect their crops with significant savings.

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.

Study examines surgeons' stress related to surgery and night duty

A study of 66 surgeons found that duration of surgery and blood loss are associated with increased stress scores, while night duty is linked to lower stress arousal scores. The authors argue that improving working conditions for surgeons, including reducing night duty, can lead to better patient care and reduced errors.

Vitamin D deficit doubles risk of stroke in whites, but not in blacks

A new report from Johns Hopkins Medicine finds that low levels of vitamin D increase the risk of stroke in white adults, but not in black adults. Despite higher rates of vitamin D deficiency in African Americans, they have a lower likelihood of severe strokes due to other factors such as hypertension and diabetes.

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.

New NIH data show gains in COPD awareness

The number of aware COPD cases increased from 65% in 2008 to 69% in 2010, with smokers and nonsmokers showing significant gains. Despite progress, up to 30% of Americans are still unaware of the disease, which claims over 120,000 lives annually.

How well does clot-busting drug work in stroke patients?

A study published in Archives of Neurology found that stroke patients who show improvement within one hour of receiving rt-PA are more likely to have a favorable outcome three months later. Researchers followed 120 patients and found that 68.2% had a favorable outcome, compared to 29.6% for those who did not show early improvement.