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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

AJR publishes gender affirmation surgery primer for radiologists

The article provides a comprehensive overview of gender affirmation surgical therapies encountered in diagnostic imaging. It defines normal postsurgical anatomy and describes select complications using a multidisciplinary, multimodality approach. Key findings include the importance of regular prostate cancer screening for trans-female ...

Major award for 2 Bernese medical projects

Researchers from Bern, Switzerland have been awarded major grants by the US Department of Defense to study new treatments for prostate cancer and develop methods to preserve severed limbs. The projects aim to identify factors driving metastasis and improve survival rates in prostate cancer patients.

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.

Estrogen improves Parkinson's disease symptoms

Research published in JNeurosci suggests that estrogen may protect movement neurons from Parkinson's disease, with brain-selective estrogen treatment reducing alpha-synuclein breakdown and severe symptoms in male mice. Female mice also showed less severe symptoms at a later age, indicating potential benefits of estrogen-based treatments.

Physicians call for an end to conversion therapy

Conversion therapy practices cause significant harm, including depression, suicidal thoughts, and economic burdens. Physicians advocate for education reform to better identify patients who underwent or may be undergoing conversion therapy.

Apple iPhone 17 Pro

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

Hormone therapy for prostate cancer may raise risk of Alzheimer's, Dementia

A Penn study of over 150,000 men with prostate cancer found that hormone therapy increased the likelihood of developing Alzheimer's disease or dementia. The treatment was associated with a 14% increased risk of Alzheimer's and a 20% increased risk of dementia compared to patients who did not receive hormone therapy.

Higher estrogen levels linked to more severe disease in scleroderma

Researchers at MUSC found that older men with scleroderma have higher estrogen levels than postmenopausal women, which is linked to more severe disease and heart involvement. This discovery provides evidence for the role of estrogen in scleroderma and may lead to new therapeutic approaches.

Celestron NexStar 8SE Computerized Telescope

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

Researchers develop breakthrough process to create cancer-killing drugs

Researchers at Dartmouth College developed a new strategy for drug discovery and development, enabling the creation of targeted therapies against cancer and neurodegeneration. The technique produces potent compounds selectively toxic to glioblastoma while showing minimal harm to healthy brain cells.

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.

Dogs reduce distress of patients waiting for emergency hospital care

A study by the University of Saskatchewan found that therapy dog visits can significantly improve the comfort levels and positive feelings of hospital waiting patients. The study showed a noticeable reduction in distress levels and an increase in perceived comfort among patients, regardless of wait time duration.

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.

How cortisol affects exposure therapy for anxiety disorders

Researchers at Ruhr-University Bochum found that administering cortisol after exposure therapy does not reinforce positive outcomes in anxiety disorders. The study, which tested arachnophobics, showed that patients who received cortisol were more likely to relapse when encountering a spider in a different context.

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.

Genome-wide analysis reveals new strategies to target pancreatic cancer

Researchers have identified a key hormone receptor called RORγ that promotes tumor growth and is responsible for therapy resistance in pancreatic cancer. Blocking this receptor slows patient-derived tumor growth and improves survival in animal models, providing new avenues for research and potential therapies.

Polysulfide donors strongly suppress inflammatory responses

Researchers at Kumamoto University have developed a new polysulfide donor that strongly suppresses inflammatory responses. The compound artificially increases reactive sulfur species in cells, leading to reduced inflammation and improved survival rates in mice with endotoxin shock.

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.

Adipose hormone may play role in obesity-related asthma

A new study suggests that the adipose hormone aP2 is associated with obesity-related asthma and may be a key factor in its development. Higher levels of aP2 were found in people with overweight or obesity who also had asthma, suggesting a potential link between the two conditions.

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.

Testosterone slows prostate cancer recurrence in low-risk patients

Researchers have found that testosterone replacement therapy reduces prostate cancer recurrence in low-risk patients by nearly three-fold over three years. This study challenges the long-held notion that testosterone promotes prostate cancer and suggests a potential new treatment approach for these patients.

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.

Long-term use of hormone therapy linked to increased Alzheimer's risk

A recent study published in The BMJ found that long-term use of oral hormone therapy is associated with a small increased risk of Alzheimer's disease in postmenopausal women. Women who used hormone therapy for over 10 years had an increased risk, especially those diagnosed at age 60 or older.

New research prize for best doctoral thesis on cancer

Nicholas Valerie receives a $50,000 prize for his thesis on NUDT5 and NUDT15 enzymes, demonstrating novel functions in oxidized nucleotide metabolism and their potential as therapeutic targets. The discovery could lead to the development of targeted inhibitors to potentiate cancer therapy.

Acupuncture may ease troublesome menopausal symptoms

A small study found that acupuncture reduced hot flushes, sweating, mood swings, sleep disturbances, skin and hair problems in women with moderate to severe menopausal symptoms. The treatment was associated with significant reductions after just six weeks.

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.

US older women three times as likely to be treated for osteoporosis as men

Research published in the Journal of Investigative Medicine found that US older women are three times more likely to receive treatment for osteoporosis than men of similar age. Men aged 80+ were particularly under-screened and undertreated, with only 10-13% having a bone density scan and fewer than 1 in 10 treated with bisphosphonates.

Tweaking of hormone-producing cells in the intestine

Scientists discovered rare enteroendocrine cells in the intestine that produce hormones like ghrelin and GLP1, which can be tweaked to treat diseases like diabetes and obesity. By studying these cells using single-cell sequencing, researchers hope to develop new therapies.

Gene changes may predict breast cancer relapse, study suggests

Researchers identified genetic changes that may predict breast cancer relapse in women taking hormone therapy. The study found subtle differences in gene expression between tumours that relapsed and those that didn't, suggesting potential new tests to identify high-risk patients.

HRT tablets associated with increased risk of blood clots

A large study published in The BMJ found that HRT tablets are associated with a higher risk of rare but serious blood clots, particularly those containing equine oestrogen. No increased risk was found for skin patches, gels and creams. The study provides important information for women and their doctors to make informed treatment choices.

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.

HRT tablets increase risk of blood clots in women

Women taking HRT tablets are up to two times more likely to develop potentially life-threatening blood clots. The study found a higher risk for tablet treatments, particularly those containing horse urine-derived oestrogen, but no increased risk for patch, gel, or cream forms.

Persistent hot flashes may lead to increased risk of breast cancer

A new study of over 25,000 women from the Women's Health Initiative trials found that those experiencing persistent vasomotor symptoms are more likely to be diagnosed with breast cancer. The study also identified other risk factors, including high body mass index and current alcohol use.

Confronting the side effects of a common anti-cancer treatment

Researchers found that aromatase inhibitors suppress estrogen synthesis, but paradoxically increase estrogen levels in the brain, leading to memory and thermal regulation deficits. The study calls for new therapies to prevent breast cancer recurrence while minimizing side effects.

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.

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.

Study identifies a genetic driver of deadly prostate cancer

A new study has identified a novel molecular driver of lethal prostate cancer and a molecule that could be used to attack it. The findings, if confirmed in humans, could lead to more effective ways to control certain aggressive types of prostate cancer.

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.

Helping an oral diabetes drug go the extra mile

Researchers have created an oral formulation of semaglutide, a successful type 2 diabetes therapy, that can be more readily absorbed in the stomach. This development has the potential to improve treatment flexibility and patient adherence to T2D treatment programs, offering patients a less invasive route of administration.

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.

One size doesn't fit all, when using hormone therapy to treat endometriosis

Researchers at Yale University found that progestin-therapy effectiveness depends on PR status in endometriotic lesions. Women with PR-positive lesions respond better to therapy, while those with PR-negative lesions find little relief. This study suggests a personalized approach to treating endometriosis may be more effective.

Drug improves survival in metastatic breast cancer

A phase III clinical trial found that palbociclib improves overall survival in women with hormone receptor-positive metastatic breast cancer. The drug, used in combination with standard treatment, led to a clinically meaningful improvement in median overall survival, even in patients who showed sensitivity to prior hormone therapy.

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.