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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

Early detectable vascular disease linked to erectile dysfunction

Men with early atherosclerotic plaque development and arterial stiffness are more likely to develop erectile dysfunction. Researchers found that coronary artery calcium scores were the strongest association to erectile dysfunction, followed by carotid intima-media thickness.

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.

Sex hormones may play a part in autism

A study found that autistic males have lower levels of estrogen receptors and aromatase, an enzyme converting testosterone to estradiol. This could lead to increased testosterone levels, potentially contributing to the disorder's prevalence in men. The findings suggest a possible reason for the gender bias in autism diagnosis.

Veterans' alcohol problems linked to stress on the home front

A new study published in the American Journal of Preventive Medicine found that returning National Guard soldiers are more likely to develop a drinking problem if faced with civilian life setbacks. The study highlights the important role civilian life and stress play in cases of alcohol use disorder among National Guard soldiers.

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.

Vets' alcohol problems linked to stress on the home front

Researchers at Columbia University's Mailman School of Public Health found that nearly 14% of reserve soldiers returning from deployment experience alcohol abuse, almost double the civilian population rate. The study highlights the important role civilian life and stress play in cases of alcohol use disorder among National Guard members.

Celestron NexStar 8SE Computerized Telescope

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

A journey between XX and XY

Researchers at UNIGE identified a mutation in the HHAT gene, which plays a key role in embryonic development and affects sexual development, growth, and skeletal development. The study provides new insights into Hedgehog signaling and has implications for genetic testing and treatment of patients with disorders of sex development.

JCI online ahead of print table of contents for April 8, 2014

Researchers used multiphoton microscopy to visualize podocyte calcium dynamics in response to glomerular injury, finding a robust calcium wave that spread throughout cells. Additionally, a mutation in the steroidogenic factor 1 (SF-1) gene was identified as causing asplenia and disorder of sexual development in a pediatric patient.

Lowering your cholesterol may improve your sex life

A new Rutgers study suggests that statin medication can not only lower cholesterol and reduce the risk of heart attack and stroke but also improve a man's erectile function. The researchers found that older men with poor cardiovascular health, diabetes, or metabolic syndrome often experience erectile dysfunction.

Fluke 87V Industrial Digital Multimeter

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

Are statins good for your love life?

Researchers found that statins significantly improve erectile function in men with both high cholesterol and erectile dysfunction. Erectile function scores increased by 24.3% in men taking statins, outperforming lifestyle modifications. The study suggests that statins may help improve blood flow to the penis and reduce symptoms of ED.

Erectile dysfunction can be reversed without medication

A new study published in the Journal of Sexual Medicine found that 29% of men with erectile dysfunction were able to reverse their condition through lifestyle changes. The study highlights the importance of addressing risk factors such as obesity, alcohol intake, and sleep disorders to improve sexual health.

Distinctive brain blood flow patterns associated with sexual dysfunction

Research reveals that women with hypoactive sexual desire disorder have distinct brain blood flow patterns, particularly in regions involved in attention, emotion, and memory. This study provides novel insights into the physiological basis of sexual dysfunction and may lead to the development of new therapies.

Apple iPhone 17 Pro

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

Most men with erectile dysfunction remain untreated, say US scientists

A new study analyzed 6.2 million patients and found that 74.6% of men with erectile dysfunction remained untreated, highlighting the need for improved treatment access and awareness. The study also showed that treatment frequency varied by co-morbidities, with hypogonadism being a key factor in treatment usage.

Erection problems a red flag for 'silent' heart disease and early death

A major new study has found that men with erectile dysfunction are at higher risk of hospital admission for heart disease and premature death. The research, which examined data from over 95,000 men, also showed a direct link between the severity of erection problems and the risk of cardiovascular events.

Meta Quest 3 512GB

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

How to prove a sexual addiction

A UCLA-led team of experts found the proposed criteria to be reliable and valid in helping mental health professionals diagnose hypersexual disorder. The study accurately classified 88% of patients as having the disorder, with significant consequences including job loss, relationship end, and emotional distress.

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.

Researchers identify link between kidney removal and erectile dysfunction

A multi-center study found that patients who undergo complete kidney removal are 3.5 times more likely to develop erectile dysfunction compared to those with kidney reconstruction. Researchers suggest that total kidney removal may also increase the risk of metabolic diseases and decrease quality of life.

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.

Brain gene a trigger for determining gender

A study published in the Journal of Clinical Investigation has found that a brain gene called SOX3 can be activated to trigger male development in mice without a Y chromosome. This discovery has implications for understanding disorders of sexual development and may lead to new treatments.

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.

Genetic alteration linked with disorders of sex determination

A study published in the American Journal of Human Genetics reveals a genetic alteration, MAP3K1, responsible for disorders of sex determination (DSD). The discovery provides insight into the cause of DSDs and contributes to better management, including the importance of removing gonads early to prevent cancer.

Certain psychiatric disorders linked with risky sexual behavior in teens

Teens with certain psychiatric diagnoses, such as bipolar disorder and externalizing disorders, are more likely to engage in high-risk sexual behaviors. The study found that those with mania are at an even higher risk for HIV and STIs, having significantly more sexual partners and being four times as likely to have an STI.

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.

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.

Identifying molecular targets for diabetes-related ED

A study published in Molecular and Cellular Proteomics identified 57 proteins that change during diabetes-induced erectile dysfunction, including those involved in cell death, fat metabolism, and sex hormone transport. These findings may lead to new diagnostic tools and drug targets for treating ED in diabetic patients.

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.

Study links restless leg syndrome with erectile dysfunction in older men

A study published in Sleep found that older men with restless leg syndrome (RLS) were more likely to experience erectile dysfunction. The association between RLS and erectile dysfunction was independent of other risk factors and was linked to hypofunctioning of dopamine in the central nervous system.

'Achilles' heel' in Y chromosome linked to sex disorders

A recent study found that an abnormal Y chromosome structure called an isodicentric Y (idicY) can lead to spermatogenic failure in males. The researchers also discovered a correlation between the size of the idicY chromosome and the likelihood of sex reversal, potentially linking it to Turner syndrome.

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.

Sex is in the brain, says new research from Stanford

A new study from Stanford University School of Medicine found that brain activity patterns differ in women with hypoactive sexual desire disorder compared to those without the condition. The research suggests that increased attention to one's own responses to erotic stimuli may play a role in sexual dysfunction.

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.

Erectile dysfunction related to sleep apnea may persist, but is treatable

Research suggests that sleep apnea can lead to erectile dysfunction due to chronic intermittent hypoxia. However, treatment with tadalafil can reverse the effects and improve sexual function in mice exposed to CIH for extended periods. Further studies are needed to explore alternative interventions.