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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

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.

Hostility linked with higher risk of death after second heart attacks

A recent study published in the European Journal of Cardiovascular Nursing found that heart attack patients who exhibit hostile behavior are at a higher risk of dying from a second heart attack. The study, which included over 2,300 heart attack survivors, suggests that improving hostile behaviors could be a positive move for patients.

Uncovering the genetics behind heart attacks that surprise young, healthy women

A genome-wide association study identified specific genetic regions associated with SCAD, which also predict the risk of SCAD among individuals with fibromuscular dysplasia. The findings suggest a shared genetic basis for migraine headache and SCAD, highlighting the need for further research into its clinical implications.

Apple iPhone 17 Pro

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

Study provides hope for young women after heart attack

A new study suggests that young women who experience a heart attack may have more favorable long-term outcomes compared to men. The research found that second heart attacks were less frequent in women and they were more likely to have healthy arteries. However, women were also at higher risk of stroke compared to men.

How to treat the most common heart attacks

The ESC guidelines recommend imaging to identify underlying causes of heart attacks, including blood vessel tears. Treatment involves restoring blood flow with stents and blood thinners, as well as lifestyle modifications such as smoking cessation and exercise.

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.

Spouses shed more pounds together than alone

A recent study found that couples who worked on healthy habits together had better chances of losing weight, especially when they participated in lifestyle programs. The study, which analyzed data from over 400 patients, showed that having a partner with similar lifestyles helped maintain motivation and overcome practical challenges.

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.

Spit in a tube to diagnose heart attack

Researchers developed a saliva test to diagnose heart attacks, showing strong agreement with blood tests. The test provides results in 10 minutes, compared to at least one hour for standard blood tests, and has the potential to save lives.

Depressed or anxious teens risk heart attacks in middle age

Research released at ESC Congress 2020 links depression or anxiety in adolescence to a 20% increased risk of heart attacks by middle age. A mental disorder in adolescence is associated with poorer stress resilience and lower physical fitness, contributing to the risk.

Less aggressive treatment better for heart patients who go into shock

A new study found that more than 30% of hospital patients who have a heart attack complicated by low blood pressure undergo an aggressive treatment, despite the existence of a less aggressive approach called a 'culprit-only' strategy. This strategy places stents only in the blocked blood vessels that caused the heart attack.

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.

Risk of diabetes complications increases with elevated levels of NT-proBNP

Elevated NT-proBNP levels are associated with a reduced risk of developing type 2 diabetes, especially in women. However, those who develop diabetes with elevated NT-proBNP have a higher risk of macro- and microvascular complications such as heart attack, stroke, or severe damage to eyes, kidneys, or nerves.

Scan for arterial plaque is better at predicting heart attack than stroke

A new study published in Circulation: Cardiovascular Imaging found that coronary calcium scores are a better predictor of future heart attacks than strokes, with similar findings across sex and racial groups. The amount of calcified plaque in the heart's arteries was twice as risky for heart attacks as it was for strokes.

Heart attack damage reduced by shielded stem cells

Researchers from Rice University and Baylor College of Medicine have shown that shielding stem cells with a novel biomaterial can significantly enhance the healing process in rodents after heart attacks. The study demonstrated that shielded stem cells resulted in 2.5 times greater heart function recovery compared to non-shielded cells ...

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.

European Heart Journal: Cell infusions benefit heart patients

A new analysis of data from the ALLSTAR study published in the European Heart Journal shows that cell infusions, also known as cardiosphere-derived cells (CDCs), can benefit patients with heart disease by reducing the volume of blood the heart holds and a blood protein that measures heart failure severity. The findings contradict previ...

How COVID-19 changed the way patients responded to a heart attack

The COVID-19 pandemic led to a sharp increase in deaths among patients with lower-risk heart attacks, while those with more severe heart attacks saw a decrease. Hospitals treated significantly fewer cases of both types, with no return to pre-pandemic levels by May 22.

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.

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.

High-deductible health plans and major cardiovascular outcomes

A new study by Harvard Pilgrim Health Care Institute found that individuals with cardiovascular disease risk factors who switched to high-deductible health plans did not experience an increased risk of heart attack or stroke. The researchers attributed this finding to the inclusion of low or no out-of-pocket costs for medications and p...

Opium linked with more deaths after bypass surgery

A large study found that continuing opium use after bypass surgery increases the risk of death, heart attack, and other adverse events. Stopping opium use is safe and may even be beneficial, according to researchers.

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.

Breast cancer deadlier in heart attack survivors

A new study published in Nature Medicine found that breast cancer patients who experience a heart attack have a higher risk of cancer recurrence, spread, and death. The research suggests that heart attacks can trigger an immune reaction that makes it easier for cancer cells to grow.

Among older adults, statin use tied to decreased risk of death

A retrospective analysis of US veterans aged 75 and older found statin use associated with a 25% lower risk of death from any cause. The study also showed benefits for cardiovascular events, including heart attacks and strokes, particularly in black participants.

How the body regulates scar tissue growth after heart attacks

Researchers found that a protein called type 5 collagen plays a critical role in regulating the size of scar tissue in the heart. Without it, scarring can lead to increased strain on the remaining heart muscle and higher risks of heart rhythm problems and sudden cardiac death.

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.

Reducing the damage of a heart attack

Cardiology researchers from San Diego State University found that the protein MANF acts as a regulator, minimizing damage after a heart attack. The discovery could lead to the administration of MANF as a drug in ambulances to reduce damage and improve recovery rates.

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.

Cholesterol levels dropping in Western nations but rising in Asia

Cholesterol levels have dropped sharply in high-income nations like those in North-western Europe, North America, and Australasia, but risen in low- and middle-income countries, particularly in East and Southeast Asia. High cholesterol is responsible for approximately 3.9 million worldwide deaths annually.

Heart attack in a dish: a 3D model

Researchers have developed a 3D model of the human heart to study heart attacks and drug toxicity. The model uses induced pluripotent stem cells to recreate the physiological conditions that occur during a heart attack, providing insights into how cells respond in the short term and long-term damage.

Women at lower risk for cardiovascular disease than men

A study of over 160,000 participants in 27 countries found that women have a more favorable risk pattern for cardiovascular disease. Women had lower blood pressure and healthier blood fat levels, and were less likely to smoke, which contributed to their lower risk of heart disease.

Meta Quest 3 512GB

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

New wearable devices set to diagnose medical conditions

Researchers aim to develop wearable technologies capable of diagnosing conditions like preeclampsia and epilepsy using solid-state sensing and wearable devices. The goal is to improve healthcare in rural and remote areas with limited access to medical services.

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.

Federal program leads to intensified treatment for high-risk heart patients

A federal program that provides financial payments for monitoring and reducing cardiovascular risk in high-risk patients has led to intensified treatment. As part of the Million Hearts Cardiovascular Disease Risk Reduction Model, healthcare providers assessed patient risk and prescribed cholesterol-lowering and blood pressure-lowering ...

New tool helps distinguish the cause of blood clots

A new tool using machine-learning technology distinguishes the cause of different types of blood clots based on subtle differences in their shape. The intelligent platelet aggregate classifier (iPAC) can help physicians diagnose and select treatments for patients with specific clot types.

Women's heart attack symptoms are not all that different

A new study found that while heart attack symptoms can vary between men and women, chest pain, sweating, and shortness of breath were the most common symptoms in both. Women were more likely to experience pain between the shoulder blades, nausea or vomiting, and shortness of breath compared to men.

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.

Heart attack, stroke risk declines among people with diabetes

A 20-year study by the Endocrine Society found that cardiovascular complications among individuals with diabetes have declined. Meanwhile, mortality rates remain higher than those in the general population, highlighting ongoing concerns about cancer and dementia risks for people with diabetes.

New heart attack testing protocol expedites treatment in ER

A new protocol using highly sensitive blood tests can quickly determine whether someone is having a heart attack, allowing for efficient evaluation of patients with possible heart attacks. The study found that the process can 'rule out' heart attacks within one hour in over half of patients.

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.