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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

Better way to interpret blood tests to diagnose pulmonary embolism

A new approach to interpreting D-dimer blood tests can help rule out pulmonary embolism and reduce the need for CT scans, freeing up resources and reducing radiation exposure. The study found that a higher-than-usual D-dimer level can be considered a negative result in patients with low probability of having a pulmonary embolism.

Injection of magnetizable fluid could extend trauma patients' survival time

Scientists are testing a magnetically-actuated fluidic valve to reduce bleeding in trauma patients. The system uses an injectable magnetorheological suspension and externally placed magnets to create an obstruction, halting blood loss and stabilizing blood pressure. This could potentially extend survival time by at least 30 minutes.

Celestron NexStar 8SE Computerized Telescope

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

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.

Shark proof wetsuit material could help save lives

A new wetsuit material with ultra-high molecular weight polyethylene fibers can help reduce injuries from White Shark bites. The study found that the new fabrics were more resistant to puncture, laceration, and bites than standard neoprene.

Apple iPhone 17 Pro

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

Blood test for deadly eye melanoma

Researchers at University of Queensland have discovered markers in blood that differentiate benign moles from melanoma, as well as detect cancer spread to other areas. The blood test may monitor very early signs of the disease, allowing for better screening of patients with eye naevi.

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.

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.

High levels of two hormones in the blood raise prostate cancer risk

A large study of over 200,000 men found that high levels of 'free' testosterone and insulin-like growth factor-I (IGF-I) are associated with an increased risk of prostate cancer. The research suggests that these hormones could be modified to reduce prostate cancer risk, taking us a step closer to strategies for prevention.

Are we 'brainwashed' during sleep?

Researchers at Boston University have made the first-ever images of cerebrospinal fluid washing in and out of the brain during sleep. The study shows that CSF pulses in rhythmic waves, closely tied to brain wave activity and blood flow, which could provide insights into age-related impairments and neurological disorders.

Vampire bats give a little help to their 'friends'

Researchers observed vampire bats developing strong social bonds during captivity that persisted in the wild, suggesting shared history plays a role in maintaining relationships. The study used pioneering technology to track bat interactions and found test bats had stronger bonds with each other than control bats.

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.

Birds do not habituate to traffic noise

Researchers found that birds in constant traffic noise had lower levels of corticosterone in their blood compared to quiet environments. This suppression may protect against negative effects of chronic stress on the immune system. Chicks from noisy parents were also smaller but caught up after leaving the nest.

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.

A blood factor involved in weight loss and aging

Researchers at Institut Pasteur have identified GDF11 as a blood factor involved in weight loss and aging. The study shows that GDF11 mimics the benefits of calorie restriction, inducing metabolic changes and promoting neurogenesis in the brain.

Lead poisoning reduced with safer mining practices

A pilot program introducing safer mining practices in Nigerian gold mining communities has reduced blood lead levels among miners by 32%. The study, published in the British Medical Journal Occupational and Environmental Medicine, also found that women miners experienced lower reductions in lead levels. The project's success demonstrat...

Meta Quest 3 512GB

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

Rise in testosterone level boosts young women's running capacity

A clinical trial found that testosterone significantly increases young women's running capacity, with a notable impact on anaerobic performance and lean body mass. The study suggests that allowing female athletes with high testosterone levels to compete without hormone reduction could be fair.

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.

Children's health and lead in soil

Researchers discovered a 44% decrease in topsoil lead between 1999 and 2017 and a 64% decline in children's blood lead levels between 2000 and 2016. These findings suggest a link between reduced soil lead and lower blood lead levels in children.

Blood test raises hopes of tackling 'silent killer'

Researchers at the University of Dundee develop a blood test to detect desmosine, an amino acid released by diseased aortas into the blood and urine. This test improves diagnosis and monitoring of aortic aneurysms, potentially saving lives by identifying patients at risk.

Treating pulmonary embolism: How safe and effective are new devices?

The American Heart Association's new scientific statement identifies the benefits and risks of novel interventional devices for treating pulmonary embolism. The devices, which remove or dissolve clots in the lungs, are shown to be effective but carry moderate risks, particularly in patients with intermediate-risk PE.

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.

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.

Stanford researchers find lead in turmeric

A Stanford-led study reveals that turmeric is sometimes adulterated with lead-laced chemical compounds in Bangladesh, leading to elevated blood lead levels among consumers. The researchers aim to shift consumer behaviors, reduce incentives for the practice and develop business opportunities to promote lead-free turmeric.

Study supports taking blood cultures before beginning treatment for sepsis

A new study finds that drawing blood cultures after starting antimicrobial treatment can result in a significant loss of available clinical information. The study suggests that drawing blood cultures prior to treatment may be more effective in identifying the bacteria causing the infection and selecting the right antibiotic.

Study changes guidelines for sepsis management

A new study has found that initiating antibiotics immediately before obtaining blood cultures significantly affects their sensitivity and ability to diagnose bacterial and fungal infections. This change in guidelines may reduce mortality rates from sepsis, a life-threatening condition with a 20% mortality rate.

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.

Daily aspirin may benefit many patients without existing cardiovascular disease

Researchers found that 2.5% of women and 12.1% of men without established CVD could derive net benefit from aspirin treatment for 5 years. The study used data from a well-characterized web-based decision support program in New Zealand, identifying persons likely to benefit from aspirin treatment based on personalized benefit-harm analy...

Meatballs might wreck the anti-cancer perks of tomato sauce

A new study from Ohio State University found that eating iron-rich foods with tomato sauce can decrease lycopene uptake by twofold. This could have significant implications for individuals consuming high amounts of lycopene and iron, such as those eating Bolognese sauces or fortified cereals.

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.

Papillomaviruses may be able to be spread by blood

A recent study found that rabbit and mouse papillomaviruses can be transferred by blood to their respective hosts, raising the possibility of human papillomavirus (HPV) transmission through blood in humans. The researchers also detected HPV sequences in mucous membranes like the tongue and genitals, as well as in the stomach.

Experimental 'blood test' accurately screens for PTSD

A new study developed a blood-based biomarker panel that can diagnose posttraumatic stress disorder (PTSD) in male combat veterans with 77% accuracy. The panel uses genomic, metabolic, and protein biomarkers to identify genetic and cellular changes associated with PTSD.

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.

Evidence suggests rare deer lived 50 years beyond 'extinction'

A team of researchers, including Northwestern University professor Gary Galbreath, analyzed the physical condition of the antlers and confirmed they belonged to a Schomburgk's deer. The antlers showed signs of being fresh, despite being excised from the deer's head, suggesting the deer may still be alive today.

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.

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.