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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

Human skin wound dressings to treat cutaneous ulcers

Researchers at Université Laval have developed biomaterial-free biological wound dressings made from human skin grown in vitro. These dressings successfully treated venous ulcers in patients who had been chronically suffering from such wounds, with an average healing time of seven weeks.

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.

Ultrasound patch heals venous ulcers in human trial

A new ultrasound patch has been shown to significantly accelerate healing in patients with venous ulcers, a type of chronic wound that affects millions. The patch, developed by researchers at Drexel University, delivers low-frequency ultrasound directly to wounds and was found to reduce wound size in just four weeks.

Embargoed news from Annals of Internal Medicine

Studies of newly diagnosed prostate cancer patients reveal that older, sicker men are unlikely to benefit from aggressive therapy. Researchers found that those aged 61-74 and over 75 with multiple health issues face high risks of mortality from non-prostate causes, suggesting a shift towards more conservative treatment approaches.

JCI early table of contents for Mar. 15, 2013

Researchers found that mycolactone, a lipid toxin from Mycobacterium ulcerans, causes cytoskeletal dysregulation by activating the protein N-WASP. This led to defects in cell adhesion and migration, impairing skin integrity. The study suggests using N-WASP inhibitors as potential treatments for Buruli ulcers.

Cytoskeletal dysregulation underlies Buruli ulcer formation

Researchers discovered that mycolactone, a lipid toxin produced by Mycobacterium ulcerans, disrupts the cellular skeleton through N-WASP activation. This dysregulation impairs skin integrity and cell adhesion, leading to Buruli ulcers. Blocking N-WASP activity with wiskostatin may provide a new treatment approach.

Apple iPhone 17 Pro

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

'Spray-on skin' could revolutionize treatment of venous leg ulcers

Researchers have developed a groundbreaking treatment for venous leg ulcers, which showed significant improvements in wound closure and healing time. The study found that patients who received the treatment experienced faster healing and a higher likelihood of wound closure compared to those in the control group.

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 links teamwork, communication with quality of nursing home care

A study found that nursing home staff cohesion improves care quality, leading to reduced incidence of incontinence and pressure ulcers. The research used data from over 45,000 residents in 162 facilities across New York State, revealing a significant association between staff cohesion and better health outcomes.

Gastric feeding tubes may raise pressure ulcer risk

A new study published in Archives of Internal Medicine reports that gastric feeding tubes may not prevent but rather increase the risk of pressure ulcers in people with advanced dementia. The analysis of thousands of nursing home patients found that those with a feeding tube were 2.27 times more likely to develop a stage II ulcer, and ...

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.

UCSF study finds steroids could help heal some corneal ulcers

A UCSF study found significant vision improvement in patients with severe bacterial corneal ulcers who received steroid therapy. Researchers tested 500 participants from the US and India, and results showed no harm but a benefit for those with more serious forms of ulcers.

Prevention of bedsores in long-term care homes cost-effective, study shows

Researchers found that pressure reduction foam mattresses and foam cleansers for incontinence care are cost-effective alternatives to standard mattresses and soap and water. The study estimated average savings of $115 and $179 per resident, respectively, with clinical benefits confirmed through further research.

Meta Quest 3 512GB

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

Johns Hopkins Evidence-based Practice Center awarded $475,000 project

The Johns Hopkins Wound Center and the Evidence-based Practice Center are conducting an evidence-based review of wound care to determine what is known and unknown about it. This study aims to inform health care providers and patients about effective state-of-the-art wound care treatments, ultimately improving outcomes for six million p...

Better mattresses improve care, cut hospital costs: U of T study

A U of T study found that upgrading to pressure-reduction mattresses can prevent 1,005 pressure ulcers and save $7.2 million in healthcare costs annually for elderly patients in Ontario's emergency departments. The cost of upgrading would be 30 cents per patient, resulting in a savings of $32 per patient.

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.

Laughter really is the best medicine (for leg ulcers)

A five-year study found that traditional nursing care methods, such as compression bandages and support stockings, work just as well as ultrasound therapy in healing venous leg ulcers. Laughter may also play a role in improving blood flow and overall health for patients with these conditions.

Probiotic identified to treat ulcers

A strain of probiotic bacteria, Bifidobacterium bifidum CECT 7366, has been identified as effective in treating ulcers caused by Helicobacter pylori. The probiotic strain demonstrated significant inhibition levels against H. pylori and partially relieved damage to gastric tissue.

Childhood physical abuse linked to peptic ulcers

Researchers at the University of Toronto found a strong association between childhood physical abuse and peptic ulcers in adulthood. The study, which analyzed data from over 13,000 Canadians, showed that victims of childhood abuse were 68% more likely to develop peptic ulcers.

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.

Hemostatic powder stops bleeding ulcers: Doctor

Researchers have discovered a hemostatic powder that effectively treats bleeding ulcers in up to 95% of patients. The powder's technique is simple and has shown high success rates with minimal complications.

Mind over matter? The psychology of healing

A study by University of Nottingham researcher found that patients' coping styles and depression levels impact the healing process. Confrontational coping was linked to slower healing, while clinical depression resulted in reduced improvement.

WHO guidelines on Buruli ulcer need adjustment

Buruli ulcers, caused by Mycobacterium ulcerans, require more attention to early diagnosis and treatment. The World Health Organization's guidelines need to be adapted due to low accuracy and high relapse rates in some regions.

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.

Studies document risks associated with common acid-suppressing medications

A series of reports find that proton pump inhibitors are associated with increased risk of fractures in postmenopausal women, bacterial infections in many patients, and higher doses do not provide additional benefits for treating bleeding ulcers. Introducing guidelines for proton pump inhibitor use may reduce inappropriate prescriptions.

Aged female patients taking low-dose aspirin should be paid special attention

Researchers identified age greater than 70 years as a significant risk factor for peptic ulcer in female patients taking low-dose aspirin. The study suggests a future strategy for prevention of LDA-associated gastroduodenal mucosal injury. A history of peptic ulcer was also found to be the risk factor common to both sexes.

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.

Embargoed news from Annals of Internal Medicine

A new self-assessment score has been developed to predict diabetes risk, showing promise as a simple and effective tool. Additionally, researchers are considering alternative bacteria, Fusobacterium necrophorum, for sore throat treatment due to its association with a rare but life-threatening complication, Lemierre syndrome. Furthermor...

Can EP4 agonist alleviate gastric lesions?

A research team investigated a highly-selective EP4 agonist for treatment of gastric ulcers in mice. The EP4 agonist reduced acute hemorrhagic damage, promoted mucous epithelial regeneration, and accelerated ulcer healing. In vitro, it protected human gastric mucous cells from indomethacin-induced apoptosis.

Vardenafil: A potential drug to protect gastric mucosa

A study published in the World Journal of Gastroenterology found that vardenafil has dose-dependent gastroprotective effects against NSAID-induced peptic ulcer. This suggests that vardenafil may be used as a potential therapeutic drug to prevent NSAID-induced gastric ulcer formation.

New combination therapy looks promising against ulcer bacteria

A new study finds that a 7-day course of levofloxacin, omeprazole, nitazoxanide and doxycycline (LOAD) is more effective in eradicating Helicobacter pylori than a similar treatment with lansoprazole, amoxicillin and clarithromycin. The therapy is also found to be equally effective when reduced to 7 days.

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.

Reservoir of deforming tropical disease sought

Buruli ulcer is caused by mycobacterium ulcerans and primarily affects poor rural communities in tropical countries. The new study aims to identify the natural reservoir for the disease, its activation, and transmission to humans.

Taking sharper aim at stomach ulcer bacteria

Researchers have discovered a group of substances that block flavodoxin, a key protein for H. pylori survival, offering promise for new specific antibiotics against the bacteria that causes stomach ulcers and other diseases worldwide.

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.

Childhood adversities have a predictive role in peptic ulcer

Research in Finland found that childhood financial difficulties and family conflicts are associated with an increased risk of developing peptic ulcers. Long-lasting financial difficulties had the greatest influence on the development of peptic ulcers.

Simple measures may prevent transmission of stomach ulcer bacteria

Researchers found that Helicobacter pylori is not transmitted through drinking water but rather through vomit and faeces, suggesting simple isolation and hygiene measures can prevent its spread. The study suggests isolating vomiting patients, especially children, for a short period can help prevent the bacterium's transmission.

UC design innovation: New hope for the hated hospital gown

Researchers from the University of Cincinnati, in partnership with Hill-Rom Company, Inc., have developed a "Progressive Recovery Collection" of hospital gowns that cater to different patient needs. The collection features three options for patients who are seriously ill, somewhat mobile, and fully ambulatory, respectively.

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.

Human stem cells promote healing of diabetic ulcers

Researchers have found that human foetal stem cells can effectively treat back leg ischaemic ulcers in a model of type 1 diabetes. The culture mimics the wound-healing ability of the cells, suggesting they could be used as a 'factory' of wound-healing substances.

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.

An ideal therapy for peptic ulcer disease

Researchers have developed a quadruple therapy regimen that shows promise in treating peptic ulcer disease, achieving an eradication rate of 68.8% in a study of 51 patients. The new treatment combines omeprazole, amoxicillin, clarithromycin, and furazolidone, with only 31.4% of patients experiencing adverse effects.

Free treatment still too costly for Buruli ulcer patients

A study by PASS International found that transportation costs and lost earnings significantly contribute to abandonment of treatment. The researchers propose decentralizing treatment to reduce economic burdens on families. Decentralized approaches may improve access to efficient treatment in low-income settings.

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.

Proton pump inhibitors increase risk of bone fractures

Patients taking proton pump inhibitors for 7 years or more are at higher risk of osteoporosis-related fractures. The study found a significant increase in hip fracture risk after 5 years and any fracture risk after 7 years of continuous exposure.

The 700-year-old Mexican mummy with a tummy ache

A study of two naturally mummified corpses found remnants of Helicobacter pylori bacteria in gastric tissue from North American mummies. The research suggests that H. pylori infection occurred in native populations around 1350AD in the area now known as Mexico.

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.

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.