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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

How has the COVID-19 pandemic affected women's sexual behavior?

A recent study from Turkey found that women experienced increased sexual desire and intercourse frequency during the pandemic, but lower overall satisfaction. Menstrual disorders became more common and sexual function scores decreased compared to pre-pandemic periods.

Men with erectile dysfunction may face higher risk of death

A recent study has found that men with erectile dysfunction are at a higher risk of death, even if their testosterone levels are normal. The research, which analyzed data from over 1,900 participants, suggests that sexual symptoms can be an early sign of increased cardiovascular risk and mortality.

Apple iPhone 17 Pro

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

Religious, moral beliefs may exacerbate concerns about porn addiction

A new study suggests that moral and religious beliefs may exacerbate concerns about porn addiction. Researchers found that individuals who morally disapproved of pornography were more likely to report addiction, even with low or average porn use. The findings highlight the need for clinicians to consider these factors when diagnosing c...

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.

Menopause isn't the only reason for low libido in older women

A study by researchers at the University of Pittsburgh School of Medicine found that up to 40% of women over age 60 experience low libido. The most surprising theme was that many women identified sexual dysfunction in their male partners as a major contributor to their own lack of desire for sex.

The global prevalence of erectile dysfunction

Erectile dysfunction affects a significant portion of the global population, with estimates ranging from 3% to 76.5%. Early detection and screening may improve quality of life and prevent cardiovascular disease.

Anti-stress brain chemical is related to PTSD resilience after trauma

A recent study published in Biological Psychiatry has discovered a relationship between the anti-stress brain chemical nociceptin and PTSD symptom severity. Women with less severe PTSD symptoms had fewer receptors for the chemical in regions of the brain involved in the threat alarm system, suggesting a potential marker for resilience.

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.

Using genomics to solve a 20-year case study

Researchers use genomics to unravel a 20-year mystery of two rare disorders: Angelman syndrome and P450scc deficiency. By combining genetic tools, they confirm uniparental disomy and shed light on adrenal insufficiency and sex reversal. The study showcases the power of genomic analysis in solving complex genetic cases.

Improved procedure for cancer-related erectile dysfunction

Researchers have modified a minimally invasive technique to help men regain erectile function lost after prostate cancer surgery. The 'end-to-side' nerve grafting procedure has shown promising results, restoring erectile function in 71% of patients with significant improvements in 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.

LGB and other sexual minorities face significant health disparities

Researchers found that LGB individuals are more likely to experience drug and alcohol use disorders, anxiety and depressive disorders, and cardiovascular disease. The study used time-varying effect modeling to analyze data from over 30,000 participants and found age-specific disparities in health outcomes.

Sexual minorities more likely to suffer severe substance use disorders

Researchers at the University of Michigan found that bisexual individuals and those unsure of their sexual identities are at greatest risk for substance abuse. Those who identified as lesbian or gay were also over twice as likely to have a severe alcohol or tobacco use disorder compared to heterosexuals.

Genetic risk factor of erectile dysfunction

A genome-wide association study has identified a genetic locus near the SIM1 gene as a significant risk factor for erectile dysfunction. The link to this locus is independent of previously known risk factors, suggesting a unique mechanism specific to sexual function.

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.

Genetic risk factor for erectile dysfunction identified

A new study analyzing the genomes of nearly a quarter of a million men discovered a single-nucleotide polymorphism on Chromosome 6 linked to an increased risk of erectile dysfunction. The genetic locus was consistently associated with ED risk across ethnically diverse groups, suggesting a novel mechanism specific to sexual function.

First genetic risk factor for erectile dysfunction identified

A study by Kaiser Permanente researchers has found a specific place in the human genome associated with an increased risk of erectile dysfunction. Variations in the SIM1 locus were significantly associated with a 26 percent increased risk, independent of known risk factors.

Getting women in the mood for sex

Researchers discuss historical and current evidence-based approaches to stimulating female sexual desire, highlighting the role of dopamine and music in enhancing pleasure. The study aims to improve healthcare providers' understanding of women's sexual health, particularly those affected by hypoactive sexual desire disorder.

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.

Military sexual assault linked to PTSD and depression in LGB veterans

A study found that LGB veterans were more likely to have experienced military sexual assault, which was directly linked to the presence of PTSD and depression. The research highlights the need for better prevention, training, and interventions to support LGB veterans' mental health.

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.

Erectile dysfunction is red flag for silent early cardiovascular disease

A new study reveals a significant association between erectile dysfunction and impaired endothelial function, as well as increased carotid intimal medial thickness, indicating an early manifestation of atherosclerosis. The findings support a more aggressive CV disease risk assessment and management for persons with erectile dysfunction.

Many men with diabetes experience erectile dysfunction

Erectile dysfunction is common in men with diabetes, affecting over half of cases, according to a review of 145 studies involving 88,577 men. Clinicians should routinely screen for ED in diabetic men, as both conditions increase cardiovascular risks.

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.

Study provides clues to the sex difference in dyslexia

Research suggests males are more likely to be diagnosed with dyslexia, possibly due to differences in reading performance and processing speed. Variability in processing speed may also contribute to co-occurring attention deficit/hyperactivity disorder.

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.

Hormone can enhance brain activity associated with love and sex

A recent study found that kisspeptin stimulates the release of reproductive hormones and boosts brain activity linked to sexual arousal and romance. The researchers believe this may help treat psychosexual disorders and improve conception rates for infertile couples.

Sexual minority youth have higher rates of disordered eating behaviors

A new study found that sexual minority boys and girls are more likely to engage in unhealthy eating habits, with lesbian and bisexual girls facing a widening gap in rates. The study analyzed data from youth ages 12-18 and found disparities in disordered eating behaviors between sexual minority teens and their heterosexual peers.

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.

Electronic health records can help catch undiagnosed cases of type 2 diabetes

Researchers developed a screening algorithm using electronic health records to identify people with undiagnosed Type 2 diabetes, uncovering previously unknown risk factors such as sexual and gender identity disorders and intestinal infections. The tool showed promise in detecting 400,000 potential cases nationally.

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.

Link between PCOS in the mother and autism in the child

A new study from Karolinska Institutet found a significant link between maternal polycystic ovarian syndrome (PCOS) and autism spectrum disorders (ASD) in children. The study, which analyzed data from over 24,000 ASD cases and 200,000 controls, suggests that exposure to sex hormones early in life may play a role in the development of ASD.

Most men with erectile dysfunction are satisfied with penile prostheses

A study of 47 men with erectile dysfunction found that 79% were satisfied with the outcome of penile prosthesis surgery. The benefits included improved sexual function, enhanced male identity, and relationship improvements. Most men reported positive emotions, self-esteem, confidence, and increased desire after receiving the implant.

Sexual dysfunction is prevalent among recently deployed veterans

A recent study found nearly 18% of returning veterans experience sexual functioning difficulties, with depression and post-traumatic stress disorder being major contributing factors. The study's authors emphasize the need for easy access to effective care and open discussion of sexual health concerns among veterans.

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.

Common antidepressant may change brain

Researchers found that the antidepressant sertraline increased the volume of one brain region in depressed subjects, while decreasing two brain areas in non-depressed subjects. The study used middle-aged female monkeys to replicate human depression and tested the effects of sertraline on brain volumes.

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.

Sex development disorders affect the mind as well as the body

Individuals with sex development disorders face challenges forming positive relationships due to physical differences. Researchers suggest raising public awareness of the diverse nature of bodies and providing practical support mechanisms, such as private locker rooms and support groups.

Testosterone therapy fails to treat ejaculatory dysfunction

A new study found that testosterone replacement therapy did not improve sexual function in men with ejaculatory disorders and low testosterone levels. Despite a small increase in testosterone levels, the treatment did not show significant benefits in ejaculate volume or orgasmic function.

Illicit drug use may affect sexual function in men

A study of 1159 males who illicitly used amphetamines found that half reported no impact on sexual functions, while the other half experienced reduced erectile rigidity, enhanced orgasmic intensity, and delayed ejaculation. Amphetamine users were also twice as likely to experience erectile dysfunction compared to matched controls.

Meta Quest 3 512GB

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

Physical training helps women with polycystic ovary syndrome

A new study shows that physical resistance training significantly improves sexual function, desire, arousal, and lubrication in women with polycystic ovary syndrome. Additionally, it decreases anxiety and depression, suggesting a useful intervention for these individuals.

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.

From blue pill to blue light

Researchers at ETH Zurich have developed a novel biotechnological solution to treat erectile dysfunction by triggering reliable erections with gene therapy and blue light exposure. The system works similarly across all mammals, including humans, and is expected to have few side effects.