Bluesky Facebook Reddit Email

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

Hormone therapy boosts sexual interest but not memory, study finds

A study led by Pauline Maki found that hormone therapy increased sexual interest and reduced hot flashes in younger mid-life women, but did not improve memory performance. The therapy combination of estrogen and progesterone showed a 32% increase in sexual thoughts and a 44% increase in sexual interest compared to the placebo group.

Hormone therapy in early post-menopause has no effect on memory

A study published by the American Academy of Neurology found that hormone therapy taken in early post-menopause has no effect on women's memory, but may lead to increased sexual interest. The research involved 180 women who underwent tests on cognitive function, emotional status, and sleep.

Apple iPhone 17 Pro

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

Researchers develop long-lasting growth hormone

Scientists at the University of Sheffield have developed a long-acting growth hormone that can promote growth over ten days with just one injection. This technology could reduce the need for frequent injections in children and adults with growth hormone disorders.

Mayo Clinic research shows estrogen protects women's brains prior to menopause

The study found that women who had both ovaries removed but were treated with estrogen until age 50 did not have an increased risk of cognitive impairment or dementia. Women who had one or both ovaries removed before menopause faced a higher long-term risk of cognitive impairment or dementia compared to those who retained their ovaries.

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.

Flaxseed shows potential to reduce hot flashes

A pilot study by Mayo Clinic researchers found that flaxseed therapy decreased hot flashes in postmenopausal women by 50% and improved their quality of life. The study also showed improvements in mood, joint pain, and overall health.

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.

Other highlights in the July 24 JNCI

A recent study found a significant decline in breast cancer incidence in 2003, coinciding with a drop in hormone therapy use. Breast density and sex hormone levels are also independent risk factors for breast cancer in postmenopausal women.

Group therapy fails to improve breast cancer survival

A new study published in CANCER journal found that group therapy does not prolong the lives of women with metastatic breast cancer. However, women with estrogen receptor-negative tumors showed a survival benefit from group therapy.

Class of medications may offer alternative option for treating type 2 diabetes

A meta-analysis of 29 studies found that incretin-based therapy improves glycemia, particularly postprandial glycemia, and has a favorable or neutral effect on weight. However, glucagon-like peptide 1 analogues are associated with gastrointestinal adverse effects, while DPP4 inhibitors have an increased risk of infection.

Meta Quest 3 512GB

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

Study finds estrogen therapy gives aging brain cells a boost

A new study conducted at Mount Sinai School of Medicine found that cyclical estrogen injections protected brain cells from age-related deterioration. The research suggests that a critical window of opportunity exists in which estrogen therapy may be helpful in preventing memory loss, and that timing is crucial.

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.

Hormone therapy offers new hope for ovarian cancer patients

Researchers at the University of Edinburgh have shown that hormone therapy can prolong the life of some ovarian cancer patients by up to three years. The study found that targeted use of an anti-oestrogen drug could slow the growth and spread of disease in highly sensitive cancers.

Nonhormonal drug reduces hot flashes in men treated for prostate cancer

Researchers at Mayo Clinic have discovered that low doses of gabapentin substantially reduce hot flashes in patients undergoing anti-hormonal treatment for prostate cancer. The study found that gabapentin reduced the frequency and intensity of hot flashes by up to 46% in men receiving androgen deprivation therapy.

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.

Anti-inflammatory drugs interact with HRT, and more

Researchers found that traditional nonsteroidal anti-inflammatory drugs (NSAIDs) may counteract the heart-protective effect of hormone replacement therapy in women. Current use of hormone replacement therapy was associated with a significantly lower risk of heart attack than non-use, but NSAID use negated this benefit.

Celestron NexStar 8SE Computerized Telescope

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

IMS updated recommendations on postmenopausal hormone therapy

The International Menopause Society has updated its recommendations on hormone therapy for postmenopausal women, highlighting the importance of individualized treatment and a balanced approach. The new guidelines take into account the latest scientific evidence and aim to provide a global framework for menopause management.

Testosterone may help men with multiple sclerosis

A small pilot study suggests that testosterone treatment is safe and well-tolerated and may reduce symptoms, slow brain degeneration, and increase muscle mass in men with relapsing-remitting multiple sclerosis. Testosterone treatment showed a possible neuroprotective effect on the brain.

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.

Testosterone may help men with multiple sclerosis

A pilot study at UCLA found that testosterone gel reduced MS symptoms, slowed brain degeneration, and increased muscle mass in men with relapsing-remitting multiple sclerosis. The study suggests a possible neuroprotective effect of testosterone treatment in men with MS.

Estrogen use before 65 linked to reduced risk of Alzheimer's disease

Research presented at the American Academy of Neurology's meeting found that women using estrogen hormone therapy before age 65 had a nearly 50% lower risk of developing Alzheimer's disease or dementia. The study followed over 7,000 healthy women aged 65-79 for an average of five years.

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.

Decrease in breast cancer incidence linked to drop in hormone replacement

A sharp decline in breast-cancer incidence in 2003, followed by relative stabilization, is attributed to the drop in hormone-replacement therapy among postmenopausal women. Researchers estimate a 44,000 fewer breast cancers over two years, with the reduction most evident in estrogen-receptor-positive tumors.

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.

Annals of Internal Medicine tip sheet for March 20, 2007

A study on rheumatoid arthritis found that flexible use of drugs with close patient follow-up can effectively control the disease. Additionally, a trial on men with prostate cancer showed that an osteoporosis drug strengthens bones and reduces bone loss.

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.

Early switch to an aromatase inhibitor increases survival

A new study reveals that breast cancer patients taking tamoxifen who switch to an aromatase inhibitor within three years experience significant improvements in survival rates. The treatment demonstrates a clear survival benefit without an increased risk of death from other causes.

NHLBI awards 12 Women's Health Initiative contracts

The NHLBI has awarded 12 new contracts to the Women's Health Initiative (WHI) to investigate genetic and biological markers of common diseases in postmenopausal women. The studies will help explain hormone therapy findings and explore associations between physical activity, obesity, and inflammation with cardiovascular disease risk.

No proof that growth hormone therapy makes you live longer, Stanford study finds

A Stanford study systematically reviewed medical literature on growth hormone therapy for the elderly, concluding that it has minimal to no benefit and potential adverse side effects. The research found modest effects on body composition but no impact on clinically important outcomes such as bone density or cholesterol levels.

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.

Sex differences and rheumatoid arthritis

Researchers have developed a new breed of transgenic mice with autoimmune responses similar to human RA patients, revealing a significant sex bias. The study found that female mice developed arthritis at a higher rate than male mice, exhibiting all disease hallmarks at higher levels.

Testosterone therapy may prevent Alzheimer's disease

Researchers at USC discovered a link between low testosterone and the development of an Alzheimer's-like disease in mice. Testosterone treatment slowed progression of the disease, predicting potential benefits for humans.

Herbal supplement fails to relieve hot flashes in large NIH trial

The study found that herbal supplements including black cohosh did not reduce menopausal symptoms. In contrast, hormone therapy significantly reduced symptoms in postmenopausal women, highlighting the importance of well-designed research to evaluate complementary and alternative medicine approaches.

Annals of Internal Medicine tip sheet for Dec. 19, 2006, issue

A study on black cohosh found no significant benefit in reducing hot flashes and night sweats during menopause, contradicting its long-held status as a treatment option. In contrast, enzyme replacement therapy for Fabry disease slowed progression of complications, but high costs remain a concern.

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.

New study demonstrates efficacy of Pfizer's Aromasin for early breast cancer

A new study demonstrates the effectiveness of Pfizer's Aromasin for early breast cancer treatment, with improved relapse-free survival and disease-free survival rates. The B-33 trial found that Aromasin was well-tolerated and showed a significant improvement in patients who received it after five years of tamoxifen.

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.

Hormone replacement therapy may improve trip down memory lane

A new study from the University of Michigan Health System suggests that hormone therapy may help retain certain memory functions in postmenopausal women. The research found increased brain activity in the prefrontal cortex of participants taking combined estrogen-progestin hormone therapy, compared to those on placebo.

Testosterone replacement therapy appears safe for prostate

A study found that testosterone replacement therapy had little effect on prostate tissue, contrary to previous concerns. The treatment increased serum testosterone levels but showed no significant changes in prostate histology or cancer incidence.