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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

Study examines NSAID use, risk of anastomotic failure following surgery

A study published in JAMA Surgery found that nonsteroidal anti-inflammatory drug (NSAID) use is associated with a higher risk of anastomotic leaks after nonelective colorectal procedures. The study included over 13,000 patients and showed a 24% increased risk for anastomotic leak among those who received NSAIDs.

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.

Study reveals lack of data on opioid drugs for chronic pain

A National Institutes of Health white paper found little to no evidence for the effectiveness of opioid drugs in treating long-term chronic pain, despite their widespread use. The study's findings suggest that many studies used to justify prescription were poorly conducted or of insufficient duration.

Is lower stress the secret to finding empathy?

A study published in Current Biology found that stress hormones block empathy, while a game of Rock Band increased emotional contagion of pain in both mice and human strangers. Researchers discovered that biochemical changes related to stress prevented emotional contagion in animals.

Ten percent of heart patients may be inappropriately prescribed aspirin

A study found that nearly 12% of patients receiving aspirin for primary prevention were taking it inappropriately. Inappropriate use was more common among women and younger patients. The study highlights the need for medical providers to consider potential benefits vs. risks when prescribing aspirin therapy.

Rihanna eases kids' pain after surgery

A Northwestern University study found that pediatric patients who listened to their chosen music or audiobooks had a significant reduction in post-surgical pain. The therapy was effective regardless of the patient's initial pain score and can be used as an alternative to opioid analgesics.

Apple iPhone 17 Pro

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

Could ibuprofen be an anti-aging medicine?

A study published in PLoS Genetics found that ibuprofen extended the lifespan of yeast, worms, and fruit flies, with treated organisms living up to 15% longer. The research suggests that ibuprofen impacts a process not yet implicated in aging, offering a new approach to studying and understanding the aging process.

Ibuprofen use leads to extended lifespan in several species, study shows

Research published in the journal PLOS Genetics reveals that regular doses of ibuprofen extended the lifespan of multiple species by 15%, potentially adding a decade or more to healthy living. The study's findings suggest that common drugs like ibuprofen may hold key to understanding and extending human health span.

Biomarker discovery sheds new light on heart attack risk of arthritis drugs

Researchers at Imperial College London discovered a possible way to identify which patients should avoid using COX-2 inhibitors, a type of non-steroidal anti-inflammatory drug (NSAID), due to increased heart attack risk. The study found that COX-2 inhibitors raise levels of ADMA, an independent risk factor for cardiovascular disease.

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.

Primary care doctors report prescribing fewer opioids for pain

A survey of primary care physicians suggests a decrease in opioid prescriptions, with 58% reporting reduced prescribing habits. The study highlights the growing concern among doctors about the risks of prescription opioid use, including addiction and death by overdose.

ER docs can treat pediatric pain without a needle

A randomized controlled trial found that intranasal ketamine is effective in treating moderate to severe pain in children with limb injuries. The study showed improved pain relief and satisfaction rates compared to fentanyl, with fewer adverse events reported for ketamine.

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.

SLU researcher finds an off switch for pain

Saint Louis University researcher Daniela Salvemini and colleagues have discovered a way to block a pain pathway in animal models of chronic neuropathic pain, suggesting a promising new approach to pain relief. Activating the A3 adenosine receptor subtype provides robust pain reduction across several types of pain.

Pain in a dish

Researchers at Harvard University successfully converted mouse and human skin cells into pain sensing neurons that respond to various stimuli, including acute and inflammatory pain. The 'disease in a dish' model may lead to improved drug development for chronic pain treatment.

Finding new ways to make drugs

Chemists developed a new way to manufacture natural chemicals by clipping smaller molecules together, enabling the efficient assembly of scarce anti-inflammatory drugs like pseudopterosin. This breakthrough could lead to cheaper ways to produce rare drugs in large quantities.

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.

Legally prescribed opioid use may increase mortality in chronic pain patients

A new study published in PAIN found that chronic pain patients without opioid treatment have an increased risk of death compared to those with pain but without opioid use. Long-term opioid users had a higher risk of death due to causes other than cardiovascular and cancer mortality, as well as a four times higher risk of toxicity poiso...

Cold-induced pain linked to the garlic and mustard receptor

Researchers at Lund University have identified a mechanism that creates cold-induced pain, linking it to the same receptor that reacts to pungent substances in mustard and garlic. This discovery could help those with cold allodynia, a common problem among patients with chronic pain or nervous system diseases.

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.

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.

Making old lungs look young again

Researchers at Ohio State University found that ibuprofen can reduce lung inflammation in elderly mice, improving their immune response to tuberculosis. By lowering inflammation, ibuprofen made the lungs of old mice appear younger and more effective at fighting infection.

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.

New drug-delivery capsule may replace injections

Researchers have developed a novel drug capsule coated with tiny needles that can deliver drugs directly into the lining of the stomach, bypassing the need for injections. The capsules successfully delivered insulin to pigs, causing a faster and larger reduction in blood glucose levels than traditional injections.

Medical discovery first step on path to new painkillers

Scientists at The University of Nottingham have made a major medical discovery that could lead to the development of an entirely new type of painkiller for chronic pain conditions like traumatic nerve injury. They found that a signal protein called VEGF promotes pain while its inhibiting form prevents it.

Celestron NexStar 8SE Computerized Telescope

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

Pain tolerance levels between men and women are similar

Researchers found that men and women have similar pain tolerance levels, with resilience being the main determining factor. Patients who accept their chronic pain experience less anxiety, depression, and improved quality of life.

Tip sheet from Annals of Internal Medicine, Sept. 9, 2014

The American College of Physicians (ACP) advises pregnant women at high risk for preeclampsia to take daily low-dose aspirin. Meanwhile, a study found that health insurance remains unaffordable for many younger adults under the Affordable Care Act, with premiums often exceeding the cost of purchasing a plan.

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.

Over-the-counter pain reliever may restore immune function in old age

Researchers found that macrophages from the lungs of old mice had different responses to infections than those of young mice, but these changes were reversed by ibuprofen. The study suggests that reducing inflammation with diet, exercise, and/or drugs may help prevent or reduce diseases in the elderly.

Antidepressants show potential for postoperative pain

Researchers found that antidepressants reduced pain in over half of the trials examined, but cautioned that more definitive studies are necessary to recommend their use. The review aims to inform future research directions for this area of study.

Aspirin cuts risk of clots, DVT by a third -- new study

A new study published in Circulation found that low-dose aspirin significantly reduces the risk of new venous blood clots and cardiovascular events. The treatment is especially useful for patients who cannot take long-term anticoagulant medications due to expense or bleeding risks.

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.

Pain treatments less effective for those with irritable bowel

Scientists have found that people with irritable bowel syndrome (IBS) have a defective immune system, which is the primary reason for ongoing gut pain and reduced effectiveness of pain treatments. This groundbreaking research could lead to more targeted treatments for IBS sufferers.

Opioid users breathe easier with novel drug to treat respiratory depression

A study published in Anesthesiology found that GAL-021, a novel therapeutic drug, may reverse or prevent respiratory depression in patients taking opioid medication without compromising pain relief. Researchers also found that GAL-021 had no adverse effects on non-respiratory variables such as sedation or blood flow.

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.

Aspirin, take 2

Researchers at UC San Diego School of Medicine found that aspirin prompts the production of 15-HETE, which converts to lipoxin to reverse inflammation. This discovery may lead to new anti-inflammatory therapies by developing drugs based on lipoxin analogues.

Quasi-legal drug 15 times stronger than heroin hides in plain sight

Emergency physicians face a growing concern of acetyl fentanyl overdoses due to its potency and potential for adulteration in street drugs marketed as heroin. The lack of regulation around acetyl fentanyl creates an environment where it can be easily distributed through networks, posing a significant risk to users.

New Irish research sheds light on how aspirin works to reduce cancer deaths

Researchers at Trinity College Dublin found that women taking regular aspirin before diagnosis had lower rates of breast cancer spreading and death. The study suggests a possible link between aspirin use and reduced mortality from breast cancer, with further research needed to understand the mechanism and optimal dosage.

Aspirin: Scientists believe cancer prevention benefits outweigh harms

Taking aspirin daily for at least 10 years can significantly cut the risk of major digestive tract cancers. Rates of bowel, stomach, and oesophageal cancer are reduced by around 35% and deaths by 40%, according to a new study. However, long-term use increases the risk of bleeding and other side effects.

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.

Baby aspirin? Many doctors don't recommend, despite guidelines

A study found that only 34% of men and 42% of women were told to take daily low-dose aspirin for heart attack prevention. The disconnect may be due to time constraints and uncertainty about therapy's benefits versus potential harms. Expanded primary care teams could help improve guideline adherence.

Ketamine can be a wonder drug for ER patients and their physicians

A systematic review of 10 studies confirms ketamine's safety in critically ill patients, providing analgesia, sedation, and amnesia without significant increases in intracranial pressure or neurological outcomes. The findings support the use of ketamine as a routine treatment for life-threatening infections and unconscious patients.

The Lancet: Paracetamol no better than placebo for lower back pain

A large randomized trial found paracetamol to be no better than placebo in treating acute lower back pain, challenging universal recommendations. The study suggests advice and reassurance may be more effective than pharmacological strategies for acute episodes of low-back pain.

Fluke 87V Industrial Digital Multimeter

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

Why do challenging tasks make consumers believe drugs wear off faster?

A new study by Veronika Ilyuk and colleagues found that consumers tend to overestimate the duration of pharmacological products' effectiveness. In five studies, participants who engaged in more difficult tasks consumed medications or energy drinks more frequently than those in easier conditions. Brands can use these findings to improve...

Genetic variations may modify cardiovascular benefit of aspirin

A new study suggests that genetic variation in the COMT gene may modify the cardiovascular benefit of aspirin, with val/val women experiencing more cardiovascular events when assigned to aspirin. In contrast, met/met women showed reduced rates of cardiovascular disease when assigned to either aspirin or vitamin E.

Promising medication counteracts constipation caused by opioid painkillers

A new drug, naloxegol, has shown promising results in relieving constipation caused by opioid painkillers. The once-a-day pill maintains opioids' pain-killing effect and blocks their effects in the bowels without diminishing pain relief, offering relief to millions of patients experiencing chronic severe pain.