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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

Phthalates may impact key genital measurement in 3-year-olds

Research finds high levels of phthalates in mothers' urine associated with shorter anogenital distances in 3-year-old boys and girls, a marker of reproductive health and hormone disruption. The study emphasizes the need for preventive measures to protect vulnerable groups from endocrine-disrupting chemicals.

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.

Antibiotics taken during infancy linked to early puberty in girls

Research suggests that antibiotics taken during infancy, especially in the first three months, may lead to earlier onset of puberty in girls. The study, which analyzed data on over 322,000 children in South Korea, found a significant association between early antibiotic exposure and increased risk of central precocious puberty.

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.

Estrogen and progesterone stimulate the body to make opioids

Researchers discovered a mechanism that harnesses immune cells to produce opioids, potentially alleviating chronic pain. Estrogen and progesterone drive this process, which could lead to more effective treatments for women experiencing pain after menopause.

Postpartum hormonal contraceptive use and risk of depression

Hormonal contraceptives initiated immediately after childbirth may increase the risk of developing depression in new mothers. Researchers found that combined oral contraceptives were associated with a higher risk of depression when started earlier postpartum.

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.

Everyday physical activity does not slow bone loss during menopause

A recent study found that everyday physical activity does not slow bone loss during menopause, contrary to previous studies suggesting exercise can mitigate age-related bone weakening. Despite this, researchers believe more targeted exercise may help slow hormonal bone loss.

Oral contraceptives and smoking impact steroid hormone levels in healthy adults

A recent study published in Science Advances found that oral contraceptive use in women is associated with changes in steroid hormone levels, while smoking in men is linked to altered levels of nearly every steroid hormone measured. The study also discovered a link between decreased androgens and various diseases in aging men.

ENDO 2025 opens media registration

Media professionals can register for ENDO 2025 to discuss groundbreaking research on obesity, diabetes, and more with world-renowned experts. The event features nearly 2,500 abstracts and over 200 sessions, offering a premier global conference in endocrinology research and clinical care.

Apple iPhone 17 Pro

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

Moderate exercise keeps appetite at bay

A recent study by Murdoch University reveals that moderate-intensity exercise significantly influences appetite-related hormones and perceptions in males with obesity. The study confirms the benefits of incorporating regular exercise into daily routines for weight management and overall health improvement.

Predicting ‘male-time’ with the Androgen Clock

Scientists have created a new epigenetic tool that can estimate months of androgen exposure in animals, such as mice and sheep. The Androgen Clock is a linear model that uses specific DNA regions to measure androgen exposure over time.

Super enzyme breaks down testosterone

Research revealed a single gene drives the production of a super enzyme in male ruff's blood, which rapidly breaks down testosterone. This process regulates sex hormones and influences mating behaviors in non-aggressive males.

Gender-affirming medications rarely prescribed to US adolescents

A new study from Harvard T.H. Chan School of Public Health and colleagues reveals that less than 0.1% of privately insured US adolescents receive puberty blockers or gender-affirming hormones. No TGD patients under age 12 were prescribed hormone treatment, indicating low access to care among this population.

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.

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.

Hormone therapy affects the metabolic health of transgender individuals

Long-term hormone therapy in transgender individuals leads to significant changes in body composition and risk factors for cardiovascular disease. Transgender men experience increased muscle volume and abdominal fat, while women's muscle mass decreases, according to a new study published in the Journal of Internal Medicine.

A new clock to structure sleep

Researchers identified a novel role for the locus coeruleus in facilitating transition between NREM and REM sleep states while maintaining unconscious vigilance. Stress disrupts its functions, negatively impacting sleep quality. The study provides crucial insights into sleep disorders and could lead to improved treatments.

Key brain circuit for female sexual rejection uncovered

A team of scientists has pinpointed a critical neural circuit for female sexual rejection, revealing how the brain integrates signals to shape behavior. The ventromedial hypothalamus, specifically progesterone-sensitive neurons in the anterior VMH, play a crucial role in determining whether a female accepts or rejects mating attempts.

Depression research pioneer Dr. Philip Gold maps disease's full-body impact

Dr. Philip Gold's landmark paper reveals depression's full-body impact, documenting structural brain changes and disruptions in hormone systems. His analysis highlights interconnected mechanisms underlying the disease, opening new therapeutic possibilities for innovative treatments targeting neuroendocrine dysfunction.

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.

A mother’s health problems pose a risk to her children

A recent study found that children born to mothers with polycystic ovary syndrome (PCOS) are at a higher risk of lower birth weight, shorter stature, and smaller head circumference. The researchers believe that the placenta's inability to meet the baby's demands due to PCOS-related hormonal imbalances may be the cause.

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.

Gut instincts: Intestinal nutrient sensors

A team of researchers has developed strategies to identify regulators of intestinal hormone secretion, which could lead to new treatments for metabolic and gut motility disorders. They used human organoids to study the function of 'nutrient sensors' on hormone-producing cells in the gut.

Breast cancer in users of levonorgestrel-releasing intrauterine systems

A Danish nationwide study found an association between levonorgestrel-releasing intrauterine system (LNG-IUS) use and increased breast cancer risk in females ages 15 to 49. The absolute breast cancer risk is low, but the study revealed an excess risk of 14 per 10,000 females, which did not increase with duration of use.

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.

Girls may start puberty early due to chemical exposure

Research suggests that exposure to musk ambrette and cholinergic agonists can trigger early female puberty by activating key hormone receptors. This study highlights the importance of regulating personal care products and environmental chemicals to mitigate potential health risks.

Study reveals mechanism used by tegu lizard to raise own temperature

A group of scientists discovered that the Black and white tegu lizard can raise its own body temperature during the reproductive season, even in a dark burrow. The study found that this phenomenon is due to the increased production of mitochondria and a protein called ANT, which generates heat.

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.

Heat exposure can affect hormones

Research highlights the need for further study on the impact of sustained heat exposure on hormone release and action. Heat exposure is associated with decreased fertility, increased risks of pregnancy complications and menopause symptoms, as well as worsened conditions like thyroid disorders and diabetes mellitus.

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.

Plastic food packaging contains harmful substances

Researchers found that plastic food packaging contains a vast array of toxic chemicals, affecting hormone secretion and metabolism. The study identifies 11 chemical combinations that can activate G-protein-coupled receptors, potentially disrupting bodily functions.

Your unsupportive partner is physically stressing you out

A new study from Binghamton University found that couples who receive more negative social support tend to experience higher levels of cortisol, a hormone associated with stress reactions. In contrast, those who receive positive support exhibit lower cortisol levels and feel more understood, validated, and cared for by their partner.

Celestron NexStar 8SE Computerized Telescope

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

Small amounts of licorice raise blood pressure

A study by Linköping University found that a daily intake of liquorice containing 100mg glycyrrhizic acid raised blood pressure by an average of 3.1mmHg in young healthy people. This effect was seen in all participants, but the most sensitive individuals showed increased fluid volume and heart workload.

The Wim Hof method may reduce inflammation, per systematic review

The Wim Hof method has been found to increase epinephrine levels and decrease pro-inflammatory cytokines, indicating a potential anti-inflammatory response. However, its impact on exercise performance is less clear, with some studies showing benefits and others finding no significant difference.

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.

Study shows how oestrogen protects against fatty liver

Research reveals oestrogen's protective role in preventing fatty liver disease by targeting the TEAD1 protein. The discovery could lead to a new treatment for fatty liver and liver cancer, as well as earlier detection methods.

The surprisingly complex inner workings of an endocrine tumor

A recent study published in Hypertension reveals that aldosterone-producing adenomas are composed of multiple cell types that work together to promote tumor growth. The research identified two distinct cell fates involved in hormone production, with cells expressing genes associated with aldosterone synthesis and cortisol production.

Special gel could help in surgery after pelvic organ prolapse

Researchers found that synthetic PIC gel can stimulate cell growth and increase collagen production, potentially improving wound healing after pelvic organ prolapse surgery. The study also showed a mild immune response to the gel when tested on laboratory animals.

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.

Oxytocin: the love hormone that holds the key to better memory

Research reveals oxytocin neurons in mouse brain modulate object recognition memory, with activation boosting long-term memory and implicating Alzheimer's disease. Oxytocin's role in social memory also highlighted, suggesting a potential link to loneliness or limited social engagement.

Potential link between high maternal cortisol, unpredicted birth complications

A study by Washington State University researchers found a potential link between high maternal cortisol levels and unpredictable birth complications. Cortisol measurements in hair samples revealed elevated stress hormone levels among women who later experienced unexpected birth problems, such as early births or hemorrhaging.

Women exposed to toxic metals may experience earlier aging of their ovaries

Middle-aged women exposed to toxic metals have fewer eggs in their ovaries as they approach menopause, according to a new study. The researchers found that higher levels of heavy metals such as arsenic and cadmium are associated with lower Anti-Müllerian hormone levels, indicating diminished ovarian reserve.

Study shows exposure to household chemicals can lower odds of getting pregnant

A study published in Environmental Health Perspectives found that exposure to phthalates can lower the odds of getting pregnant, but not lead to pregnancy loss. The researchers also discovered associations between preconception phthalate exposure and changes in women's reproductive hormones, inflammation, and oxidative stress.

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.