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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

Aggressive nature of hand osteoarthritis

Researchers tracked 172 patients with hand osteoarthritis for two years, showing a significant increase in pain intensity and functional limitations. Radiological progression was also detected in 20% of subjects, highlighting the need for early intervention to prevent irreversible progression.

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.

What exactly is repetitive strain injury?

Researchers found that repetitive strain injury is not one diagnosis but an umbrella term for various disorders caused by repetitive movements and risk factors. Conventional definitions include conditions like carpal tunnel syndrome and tendonitis, which affect millions worldwide.

New treatments needed for irritable bowel syndrome

Irritable Bowel Syndrome affects 5-10% of the population worldwide and is associated with increased healthcare costs and psychological distress. Hypnosis has proven beneficial in managing IBS symptoms, but its limited availability is a major drawback.

Most young women don't recognize heart attack warning signs

Young women with heart disease often experience atypical symptoms such as jaw pain, sweating, and shortness of breath. These individuals are twice as likely to die in the hospital compared to similarly aged men, highlighting the need for prompt medical attention and increased awareness of risk factors.

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.

Why losing money may be more painful than you think

Researchers found that losing money activates an area of the brain involved in responding to fear and pain, similar to a system for responding to pain. This suggests a biological basis for the concept of 'financial pain', highlighting similarities between financial loss and physical harm.

BDSI announces positive phase III clinical trial results

The Phase III efficacy clinical trial showed statistically significant improvement on the primary efficacy endpoint at 30 minutes compared to placebo, indicating a greater reduction in pain. Patients treated with BEMA Fentanyl also demonstrated well-tolerated treatment with no reported drug-related changes to the oral mucosa.

Inflammatory bowel disease linked to nerve damage

Research finds people with inflammatory bowel disease are at risk for developing nerve damage, including carpal tunnel syndrome and small fiber neuropathy. Women with bowel disease are more likely to develop neurological problems than men.

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.

Adjustable chairs reduce shoulder and neck pain in garment workers

A new study found that adjustable-height chairs with ergonomically curved seats can significantly reduce neck and shoulder pain in garment workers. The custom-designed chair, tested in a four-month trial, provided more benefit than traditional flat-seat pan chairs, particularly for thin workers and those with high hand-arm workloads.

Tip sheet Annals of Internal Medicine, April 17, 2007

A new meta-analysis of published research concludes that chondroitin has little effect on knee or hip pain caused by arthritis, while a clinical trial testing two different ways to treat Helicobacter pylori infection found sequential therapy cured the infection more often than standard treatment.

Chance of hysterectomy predicted by multi-year study

A new UCSF study predicts a woman's chance of undergoing a hysterectomy based on symptoms and medical history. The study found that women with a combination of symptoms, lack of symptom resolution, and previous GNRH agonist use are more likely to undergo the procedure.

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.

Where's your pain? New insights into how the brain processes pain location

A study published in the Journal of Neuroscience found that multiple regions of the brain are involved in determining pain location, contradicting conventional wisdom. The research used functional magnetic resonance imaging (MRI) to identify areas of brain activity while participants evaluated the spatial location of a thermal stimulus.

Pain control after surgery reduces days of hospitalization

A University of Pittsburgh study found that effective postoperative pain control using continuous peripheral nerve block reduced average hospital stay length by nearly a day. The study analyzed data from over 1,500 patients and showed a significant economic benefit in reducing hospital-acquired infections and complications.

Morphine kills pain -- not patients

New research published in Palliative Medicine challenges the misconception that morphine is a lethal drug. The study found no significant changes in vital statistics when patients with severe cancer pain were treated with morphine. Morphine's wide safety margin and effectiveness in managing pain have been confirmed.

Celestron NexStar 8SE Computerized Telescope

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

Will baby boomers retire in worse shape than predecessors?

A recent analysis found that Americans in their early to mid-50s report poorer health, more pain, and trouble with everyday physical tasks compared to older peers. This trend raises questions about whether today's pre-retirees could reach retirement age in worse shape than their predecessors.

Do Internet cafés facilitate unsafe sex?

A recent survey in Peru found that men who have had anal sex without a condom in an internet café were more likely to meet their partners online. This raises concerns about the use of internet cafés as a venue for unsafe sex and potential HIV transmission.

Apple iPhone 17 Pro

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

Multislice CT speeds the diagnosis of chest pain in the emergency room

A new multislice CT scan can quickly detect fatty blockages in the heart's arteries, ruling out heart attacks and reducing diagnostic time. This simple outpatient scan allows doctors to confidently send home patients with normal coronary arteries, while accurately identifying those with serious heart disease.

Proteases cause pain in irritable bowel syndrome

Researchers identify serine proteases and PAR2 as therapeutic targets for irritable bowel syndrome (IBS) pain. The study found increased levels of these enzymes in colonic biopsies and washes from individuals with IBS, leading to increased pain responsiveness in mice.

JCI table of contents: February 15, 2006

Researchers have identified Hsp90 as a key player in Alzheimer's disease, with a new drug candidate showing promise for reducing tau protein levels. Additionally, serine proteases may be the cause of abdominal pain in irritable bowel syndrome, and targeting them could provide relief.

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.

Doctors' own fear of death linked to hastening death of very sick newborns

Research reveals a link between doctors' personal fear of death and their willingness to hasten life-sustaining treatment in severely disabled newborns. One in three specialists use painkillers to relieve suffering without intending to hasten death, while over three-quarters would do so if further treatment is deemed futile.

Jefferson cardiologists fix broken heart

Researchers at Thomas Jefferson University Hospital report a case of a seemingly healthy man who suffered from unexplained chest pain after a silent heart attack. The team discovered a subepicardial aneurysm, a rarely diagnosed complication that can be fatal if left untreated.

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.

Pain relief effectiveness down to mind-set?

A study by the Human Pain Research Group at the University of Manchester found that individuals' expectations and beliefs play a crucial role in their response to pain relief. The researchers discovered that 67% of volunteers who expected pain relief continued to perceive less pain after applying a placebo cream, highlighting the power...

Fluke 87V Industrial Digital Multimeter

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

Swedish massage benefits osteoarthritis patients

A study by Yale University researchers found that Swedish massage therapy significantly improved symptoms in adults with osteoarthritis of the knee, including reduced pain and increased flexibility. The treatment was shown to be safe and effective, with benefits persisting after completion of the massage intervention.

Smokers risk more painful and progressive osteoarthritis

A recent study published in Annals of the Rheumatic Diseases found that smokers are more likely to experience severe cartilage loss and knee pain due to osteoarthritis. Smokers were also significantly more likely to report greater pain severity than non-smokers.

Origin of inherited pain disorder pinpointed

Researchers pinpointed paroxysmal extreme pain disorder (PEPD) to specific porelike sodium channels in peripheral nerve cells, highlighting the role of such channel disorders in inflammatory pain. Mutations in SCN9A gene were found to be responsible for at least two-thirds of PEPD cases.

Researchers discover treatment for spinal cord injury pain

A study published in Neurology found that pregabalin significantly reduced severe pain and anxiety problems in patients with moderate to severe nerve pain after spinal cord injury. The medication was effective in relieving pain, improving sleep, and overall well-being.

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.

Neural networking nanotubes

Researchers developed carbon nanotube films that can stimulate nerve cells without damage, enabling potential use in pain management and muscle control. The technology bridges the gap between biology and electronics, offering new possibilities for biomedical devices.

Tarantula venom and chili peppers target same pain sensor

Researchers discovered that tarantula venom activates the same nerve cells responsible for sensing heat and pain, similar to chili peppers. The study provides insights into the molecular strategy used by some plants and animals to deter predators and may lead to the development of new pain treatments.

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.

Heel to heal

A new stretch targeting the plantar fascia has shown significant results in treating plantar fasciitis, with 75% of patients experiencing no pain and full activity within 3-6 months. The stretch, developed by Benedict DiGiovanni and Deborah Nawoczenski, requires repeated stretching exercises to alleviate chronic symptoms.

Trying to control pain can be a double-edged sword, say scientists

Research shows that people who feel in control of their lives are less effective at coping with pain when it's beyond their control. Teaching psychological coping strategies helps reduce pain effects. The study suggests acceptance-based therapy may be a more effective approach to managing persistent pain.

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.

High-resolution CT accurately diagnoses shin splints

A study conducted at the University of Messina found that high-resolution CT can accurately diagnose medial tibial stress syndrome, also known as shin splints, in distance runners. The study evaluated 41 subjects and found CT abnormalities in all painful tibiae of patients with shin splints.

Anxiety before surgery complicates recovery in children

A Yale University study found that anxious children experience more painful and complicated recoveries after surgery, with increased pain and analgesic consumption. The researchers hope to develop strategies to reduce pre-surgical anxiety and improve outcomes for children undergoing elective surgeries.

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.

TV effective 'painkiller' for kids

A small study found that TV effectively reduces kids' pain scores, with passive distraction being more effective than active distraction. Watching TV increases children's pain tolerance, making it a useful tool for minor procedures.

Understanding what people with arthritis believe about exercise

Despite well-documented exercise benefits, individuals with arthritis face various barriers, including pain, lack of support, and limited facilities. To overcome these challenges, healthcare professionals can prescribe exercise, expand arthritis-specific programs, and emphasize adaptations for physical limitations.

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.

Doctors treating pain from circumcision more seriously

New training programs teach effective pain relief techniques, increasing to 97% of doctors now equipped, up from 71% 10 years ago. The American Academy of Family Physicians and others recommend universal use of local or topical anesthetics.