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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

Ibuprofen linked to reduced risk of Alzheimer's disease

A study published in Neurology found that long-term use of ibuprofen and other NSAIDs was associated with a lower risk of Alzheimer's disease. The research analyzed data from over 49,000 veterans and showed that people who used ibuprofen for more than five years were 40% less likely to develop dementia.

A safer alternative to aspirin?

A study published in The Lancet Neurology found that cilostazol is as effective as aspirin in preventing recurrent stroke, but causes fewer bleeding events. This suggests that cilostazol could be a more effective and safer alternative for Chinese patients with ischemic stroke.

Princeton University survey finds 'pain gap'

A Princeton University survey found that 28% of Americans experience pain at any given moment, with those with less education and lower income spending more time in pain. The study also showed that pain can be a barrier to socializing, working, and overall well-being.

More than a quarter of Americans experience pain

A study published in The Lancet found that nearly 30% of men and women reported feeling some level of pain at sampled times. People with lower incomes or less education spent more time in pain and had higher average pain ratings. Pain also imposes significant costs on the healthcare system, economy, and lost productivity.

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.

Daily aspirin may reduce risk of common type of breast cancer

Researchers found that daily aspirin use was associated with a small reduction in the risk of ER+ breast cancer, but not total breast cancer risk. Aspirin's irreversible effects on cyclooxygenase enzymes may disrupt breast cancer development by reducing estrogen production.

Celestron NexStar 8SE Computerized Telescope

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

When does context matter in product evaluations?

Researchers found that consumers with a relational processing mindset, which notices relationships between data, are shaped by context and can apply it to subsequent products. This contrasts with item-specific processing, where data is considered independently.

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.

Pain receptor in brain may be linked to learning and memory

A study by Brown University scientists has found that activation of the pain receptor TRPV1 can trigger long-term depression, creating lasting changes in neural connections. This process is believed to be the cellular basis for memory making, with implications for drug development and potentially treating neural disorders.

Psychological intervention reduces postembolization pain

A study published in the World Journal of Gastroenterology found that psychological intervention can effectively reduce post-embolization pain in patients undergoing hepatic arterial chemoembolization therapy. The research suggests that psychological intervention should be used as a complementary approach to pharmacological analgesia.

Study raises caution on new painkillers

A new class of painkillers that block the TRPV1 receptor may interfere with brain functions such as learning and memory, according to a recent study. The researchers found that the receptor regulates neural mechanisms involved in establishing memory pathways in the brain.

Regular low dose aspirin cuts asthma risk in women

A large study published in Thorax found that regular low-dose aspirin use cuts the risk of developing asthma among women by 10%. The Women's Health Study involved over 40,000 female healthcare professionals and monitored their health for around 10 years.

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.

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.

Costly placebo works better than cheap one

A provocative study by Dan Ariely found that a 10-cent pill is less effective at killing pain than a $2.50 pill, even when they are identical placebos. The study suggests that patients' subjective ratings of pain are influenced by the perceived quality and cost of medications.

Women are treated less frequently than men with statins, aspirin and beta-blockers

A new study by Rush University Medical Center found that women are significantly less likely to be treated with statins, aspirin, and beta-blockers for coronary artery disease compared to men. Despite similar prevalence of adverse drug reactions, the study suggests underutilization of medical therapies may contribute to this disparity.

Many stroke, heart attack patients may not benefit from aspirin

Researchers at the University at Buffalo found that up to 20% of patients taking aspirin for stroke and heart attack prevention do not respond to the medication, leading to increased risk of clinical failure. The study also identified factors associated with aspirin resistance, including younger age and underlying vascular disease.

Apple iPhone 17 Pro

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

Microneedles enhance drug administration through skin

Researchers demonstrated that microneedle patches can deliver clinically-relevant doses of drugs like naltrexone, reducing side effects and required dosage. The study also found lower production of metabolites, which may cause adverse reactions.

Taking more than 1 anti-inflammatory drug may lead to complications

A new study published in Arthritis Care & Research found that taking two NSAIDs was associated with lower scores on a health-related quality of life assessment. Dual use was also linked to worse physical functioning and symptoms, highlighting the need for better pain management and patient communication.

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.

Naked mole-rats bear chili pepper heat

Researchers have restored the naked mole-rat's ability to feel pain, particularly in response to capsaicin, but remain insensitive to acids. This unique resistance may hold key to developing new pain relief strategies.

Morphine dependency blocked by single genetic change

Research with genetically modified mice shows that blocking a single cellular change can prevent morphine tolerance and dependence. The study suggests a new strategy to develop morphine derivatives with improved pain relief without addiction risk.

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.

Nature publication on pain research

Researchers at ETH Zurich have identified two subtypes of GABA receptors that mediate spinal pain control, opening up new possibilities for targeted pain therapy. This discovery could lead to the development of specific drugs with fewer side effects, making chronic pain treatment more effective.

Popular osteoporosis drugs triple risk of bone necrosis

A University of British Columbia study found that popular osteoporosis drugs like Actonel, Didrocal, and Fosamax nearly triple the risk of developing bone necrosis. Researchers also discovered that this condition primarily affects shoulders, knees, and hips.

Mayo Clinic Proceedings provides forum for debate about capital punishment

Physicians must not participate in executions as it contradicts the core concept of ethics in medicine. Lethal injections used in executions raise concerns about pain and human suffering, with experts calling for improved procedures to ensure humane treatment. The Mayo Clinic Proceedings provides a forum for debate on this critical issue.

Massage may help ease pain and anxiety after surgery

A 20-minute evening back massage was found to decrease pain intensity and unpleasantness, as well as anxiety, in patients undergoing major surgery. The study suggests that massage may act through multiple mechanisms, including relieving anxiety and generating mood-boosting endorphins.

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.

Intensive care quality of sleep improved by new drug, reports study

A new study published in JAMA found that the sedative drug dexmedetomidine improves intensive care sleep quality and reduces instances of coma and delirium compared to lorazepam. The study showed that dexmedetomidine resulted in 30% fewer patients experiencing coma and an average of four more coma-free days.

Scientists identify gene responsible for statin-induced muscle pain

A study by Beth Israel Deaconess Medical Center has identified the atrogin-1 gene as a key player in statin-related muscle toxicity. The researchers found that statins activate this gene, leading to muscle damage and atrophy, with potential implications for patients taking these cholesterol-lowering drugs.

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.

Annals of Internal Medicine Tip Sheet for Nov. 20, 2007, Issue

Physicians spend approximately 8 hours a week providing unreimbursed care outside of office visits, which can include talking with families or ordering medicines. Lumbar supports have been shown to reduce low back pain in healthcare workers with existing back pain, but not work absences.

Marijuana-like brain chemicals work as antidepressant

A study by UC Irvine researchers has found that boosting the amounts of a marijuana-like brain transmitter called anandamide produces antidepressant effects in test rats. The drug URB597, which blocks anandamide degradation, was administered to chronically stressed rats and showed promising results.

BDSI files FDA NDA for BEMA Fentanyl

BioDelivery Sciences International has submitted its New Drug Application for BEMA Fentanyl, a treatment for breakthrough cancer pain, to the FDA. The application is based on positive results from clinical trials, including a Phase III efficacy trial that demonstrated significant pain reduction and low discontinuation 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.

Smoked cannabis proven effective in treating neuropathic pain

A study by researchers at the University of California, San Diego, found that smoked cannabis eased pain induced in healthy volunteers. The results suggest a therapeutic window for cannabis analgesia, with moderate pain relief observed at a medium dose of 4% THC.

Aspirin -- just for men?

A recent study found that trials with predominantly male participants showed significant risk reduction in non-fatal heart attacks when taking aspirin. In contrast, trials with mostly female participants failed to demonstrate a similar benefit. The researchers highlight the importance of considering gender when prescribing aspirin for ...

Acupuncture reduces pain, need for opioids after surgery

Acupuncture significantly reduces post-surgical pain and opioid use, with lower rates of nausea, itching, dizziness, and urinary retention. The treatment is also inexpensive and has virtually no side effects when performed by trained personnel.

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.

More than a pill: Complementary medicine can help with chronic pain

A University of Missouri-Columbia study shows that complementary methods like acupressure, modifications, and relaxation techniques can complement conventional treatment for chronic pain. By providing patients with more control over their pain management, these approaches can alleviate side effects and improve overall well-being.

Researchers develop targeted approach to pain management

Scientists have successfully selectively blocked pain-sensing neurons in rats without interfering with other types of neurons, offering a new targeted approach to pain management. The method uses QX-314 and capsaicin to target only pain-sensing neurons, preventing them from sending signals to the brain.

Treatment blocks pain without disrupting other functions

A combination of capsaicin and QX-314 selectively block pain-sensing neurons in rats, blocking pain without impairing movement or other sensations. The treatment has great potential to improve pain treatment during childbirth, dental procedures, and surgery, offering a promising alternative to current nerve blocks.

New clinical guideline for low-back pain

The new guideline recommends clinicians rely on evidence-based therapies, limit X-rays, and consider non-pharmacologic options like exercise therapy, chiropractic care, and massage. The guidelines aim to reduce unnecessary radiation exposure and improve patient outcomes for low-back pain treatment.

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.

ACP and APS issue comprehensive guidelines for treating low-back pain

The American College of Physicians and the American Pain Society released joint guidelines on diagnosing and treating low back pain, emphasizing that clinicians should not routinely order imaging tests. Non-pharmacologic treatments like acupuncture and spinal manipulations can provide relief for those with severe pain.

Why don't painkillers work for people with fibromyalgia?

Research found that fibromyalgia patients have reduced mu-opioid receptor availability in brain regions processing pain signals. This reduces the effectiveness of painkillers such as morphine, leading to increased pain among those with fibromyalgia.

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.

Health-related spam

A study found that a third of spam messages advertise health products, including prescription drugs and natural health products. Researchers successfully purchased several controlled substances through these messages.

UI nursing researcher to study post-operative pain control

Researchers will evaluate a new approach to transcutaneous electrical nerve stimulation (TENS) to target movement-evoked pain after surgery, with the goal of decreasing pain and improving function in older adults. The study aims to compare the effectiveness of active TENS to placebo TENS and standard care.

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.