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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

Phantom limb pain relieved when amputated arm is put back to work

Researchers at Chalmers University of Technology developed a new treatment method for phantom limb pain, using muscle signals from the amputated arm stump to drive an augmented reality system. The patient experienced drastically reduced pain and was no longer awakened by intense periods of pain at night.

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.

The pain of social exclusion

A study published in Social Cognitive and Affective Neuroscience found that social exclusion activates the same brain circuits responsible for physical pain. The research used real people in videos to simulate social exclusion and physical pain, revealing activation of the posterior insular cortex in both conditions.

JCI early table of contents for Feb. 17, 2014

A neurotensin conjugate has shown effective transportation across the blood brain barrier and dose-dependent pain relief in animal models. In contrast, hematopoietic stem cell transplantation has been found to impact T cell repertoire in multiple sclerosis patients, with diverse repertoires associated with better treatment responses.

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.

Could restless sleep cause widespread pain in older folks?

Researchers found that non-restorative sleep is a strong predictor of widespread pain onset among adults over 50. Anxiety and poor physical health also increase the risk of developing widespread pain. The study suggests combined interventions for both site-specific and widespread pain are needed for older adults.

Quality of acupuncture needles is less than perfect and must improve

Research published in Acupuncture in Medicine found that widely used acupuncture needles have significant surface irregularities and inconsistencies, which could lead to painful reactions, bleeding, or bruising. The study calls for manufacturers to review and improve their quality control procedures for needle fabrication.

New pain target for bacterial infections

Researchers discovered that bacterial LPS components directly activate pain sensors, triggering immediate pain and inflammatory responses. This finding reveals a new target for drugs designed to treat bacterial infections, such as pneumonia and meningitis.

Women fare worse than men following stroke

A study published in Neurology found that women who survived a stroke had a lower quality of life compared to men. At three months post-stroke, women were more likely to report problems with mobility, pain/discomfort, and anxiety/depression, with these differences diminishing at one year.

Apple iPhone 17 Pro

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

Patient-controlled analgesia not as effective as epidural for labor pain

A study found remifentanil patient-controlled analgesia to be less effective in managing pain relief during labor compared to epidural analgesia. The study, which involved 709 women, showed that patients who received remifentanil patient-controlled analgesia had lower pain appreciation scores and overall satisfaction with pain relief.

Brain structure shows who is most sensitive to pain

A study published in the journal Pain found that individual differences in grey matter in certain brain regions are related to pain sensitivity. People with higher default mode activity and better attention control tend to have reduced sensitivity to pain.

Short circuit in molecular switch intensifies pain

A study published in Nature Chemical Biology found that a molecular switch in the nerves responsible for detecting pain can 'short-circuit', intensifying pain. This alternative pathway activates the pain nerves, increasing the sensation of pain.

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.

Comprehensive, nonsurgical treatment improves pelvic floor dysfunction in women

Researchers at the University of Missouri have developed a comprehensive, nonsurgical treatment that significantly improves symptoms of pelvic floor dysfunction in women. The treatment involves muscle strengthening and relaxation techniques, resulting in an average 80% improvement in urinary incontinence, defecatory dysfunction, and pe...

Fight or flight and the evolution of pain

Researchers analyzed pain response in chickens, discovering that heat stimulation activates TRPA1 receptors similar to cold-blooded animals. Methyl anthranilate, a repellent chemical for birds, also activates chicken TRPA1, highlighting its functional evolution and diversification among vertebrate species.

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.

Finnish research team reveals how emotions are mapped in the body

Researchers at Aalto University have discovered that emotional states trigger distinct bodily sensations, with consistent patterns across West European and East Asian cultures. The study found that awareness of these bodily changes can lead to conscious emotional sensations like happiness, highlighting the biological basis of emotions.

First location of melatonin in caudal spinal trigeminal nucleus

The study found that melatonin receptor 1 expression is significantly reduced in the caudal spinal nucleus, leading to an attenuated regulatory effect on pain. This breakthrough discovery has implications for understanding pain transmission and developing new treatments.

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.

Picturing pain could help unlock its mysteries and lead to better treatments

Researchers have developed a new imaging method to visualize high concentrations of a sodium channel protein associated with pain, potentially leading to improved pain management and treatment monitoring. The technique uses a small molecule attached to saxitoxin, which accumulates at sites of nerve damage in rats.

Bothersome pain afflicts half of older Americans

A study found that 52.9% of older adults in the US have experienced bothersome pain, with multiple sites common among those with pain. Pain is strongly associated with decreased physical capacity, including weaker muscle strength and slower walking speed.

PRP therapy improves degenerative tendon disease in athletes

A study presented at the Radiological Society of North America annual meeting found that ultrasound-guided PRP therapy improves functionality by 80% and pain by 75% in athletes with Achilles and patellar tendinosis. The therapy also normalizes MRI signal intensity in 90% 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.

Dreading pain can be worse than pain itself

Research published in PLOS Computational Biology found that people prefer to hasten painful stimuli over waiting for it, as anticipation can be more disabling than the pain. The study suggests that focusing on immediate pain reduces dread, while considering future pain increases it.

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.

Congenital blindness results in lower thermal pain thresholds

A study found that congenitally blind subjects have lower heat pain thresholds and increased sensitivity to cold pain stimuli compared to sighted individuals. This suggests a permanent state of pain hypersensitivity due to the absence of visual cues, which allows for immediate detection and avoidance of potentially hazardous situations.

Research finds severe hot flashes reduced with quick neck injection

Researchers found that a quick neck injection of local anesthesia can reduce severe hot flashes in women by as much as 50 percent for at least six months. The treatment uses bupivacaine hydrochloride to target the stellate ganglion nerve bundle, providing symptom relief without hormonal therapy.

Fluke 87V Industrial Digital Multimeter

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

Pain management of hemiplegic shoulder pain post stroke

Researchers investigated the characteristics of hemiplegic shoulder pain post-stroke and found that early onset and specific diagnosis types can reduce pain management efficacy. Comprehensive rehabilitation and electroacupuncture are more effective in alleviating shoulder subluxation pain. The study provides valuable insights for diagn...

Virtually numbed: Immersive video gaming alters real-life experience

A study published in Psychonomic Bulletin & Review found that spending time immersed as a virtual character in role-playing video games can numb people to realizing important body signals in real life. Participants who played immersive video games showed reduced sensitivity to pain and were more indifferent to others' displeasure.

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.

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.

Keep your friends close, but...

A new USC study found that the brain activates more strongly to watching hateful people suffer compared to likable individuals. The 'pain matrix' of the brain is thought to be involved in processing complex social situations, and this study suggests it may prioritize monitoring enemies over loved ones.

Surgeons report 2 new approaches to lessen postoperative pain

Researchers have found that applying ice packs after major abdominal operations reduces postoperative pain and opioid use, with patients experiencing 50% less pain on the first and third days. An experimental prolonged drug delivery system using lidocaine also showed superior results in animal studies.

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.

Over-the counter as effective as Rx at managing post-tonsillectomy pain

Researchers at Henry Ford Hospital found that over-the-counter ibuprofen is just as effective as prescription pain medications in reducing post-operative pain after a tonsillectomy. The study, which enrolled 91 patients aged 3-38, showed no significant difference in pain control between the three groups.

Scientists tap into spinal response from gastric reflux

Researchers identify nerve pathways in the spinal cord that transmit pain signals from gastric reflux to the brain. This breakthrough could lead to more effective treatments beyond acid reduction, correcting sensitivity of nerve endings and providing balanced relief for sufferers.

A neurological basis for the lack of empathy in psychopaths

A neuroimaging study found that individuals with psychopathy fail to activate brain areas associated with empathy and concern for others when imagining others in pain. This atypical pattern of activation suggests that psychopaths may not care for others, but could be triggered into emotional response through cognitive-behavior therapies.

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.

Arginine therapy shows promise for sickle cell pain

A recent clinical study found that arginine therapy significantly reduces the need for pain medication and lowers pain scores in children with sickle cell disease. The treatment also shows promise as a potential cure for acute pain episodes, with no safety concerns reported.

Heart attacks in young women -- not all have chest pain

A study by McGill University Health Centre found that one in five young women (under 55) experiencing a heart attack do not exhibit chest pain as a symptom. The absence of this common indicator did not correlate with reduced disease severity, highlighting the need for more nuanced assessments and training for healthcare professionals.

Everyday sadists take pleasure in others' pain

New research suggests that sadistic tendencies are a distinct aspect of personality, joining psychopathy, narcissism, and Machiavellianism to form a 'Dark Tetrad'. Studies reveal that individuals with high levels of sadism experience pleasure from causing or observing others' suffering.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Chest pain duration can signal heart attack

A study by researchers at Henry Ford Hospital found that patients with longer-lasting chest pain are more likely to have a heart attack. Patients with chest pain of short duration, less than 5 minutes, are unlikely to have a heart attack and have a good prognosis at 30 days.

Children referred for chest pain rarely have cardiac disease

A multi-institutional study found that a unique quality improvement methodology can effectively evaluate chest pain in children using minimal resources. The Standardized Clinical Assessment and Management Plans (SCAMPs) algorithm identified cardiac causes of chest pain while reducing testing utilization, with only 1% of patients having...