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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

Estrogen combined with calcium and vitamin D may prevent tooth loss

A new study found that estrogen combined with calcium and vitamin D supplements improved jaw mass and density in postmenopausal women, reducing the risk of tooth loss. The study also showed that estrogen had a significant impact on bone mineral density in other parts of the skeleton.

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.

Early promise of alternative hormone treatment

A new study found that anastrozole improved disease-free survival and was better tolerated than tamoxifen. Anastrozole may be a viable alternative to tamoxifen for adjuvant treatment of early breast cancer in postmenopausal women.

Androgen therapy boosts muscle strength for older men

A study by E. Todd Schroeder and colleagues found that androgen therapy increased muscle mass, strength, and power in older men, improving their ability to perform daily activities. The findings suggest that supplemental androgen therapy might benefit older men prone to losing muscle mass due to sarcopenia.

Skin patch technology may increase women's libido

Researchers developed a transdermal HRT patch that increased androgen levels, leading to higher libido and greater sexual satisfaction in postmenopausal women. The study suggests a potential new treatment approach for female sexual dysfunction, building on preliminary research showing testosterone supplements can enhance sex drive.

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.

Gene enhances effects of estrogen on good cholesterol

Researchers found that women with a common mutation in the estrogen receptor alpha gene had dramatic increases in high-density lipoprotein (HDL), or the 'good' cholesterol. This discovery suggests that genetic testing may help doctors make better decisions about hormone replacement therapy for preventing heart disease.

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.

Bone loss resumes when hormone replacement therapy stops, but at normal rate

A long-term follow-up study of over 800 postmenopausal women found that stopping hormone replacement therapy resumes bone loss at a rate similar to those who never took the drugs. The study showed that while bone mass increased in the first 36 months after starting hormone replacement therapy, there was little gain after that.

Hormone therapy for breast cancer - the treatments of the future

Recent improvements in hormonal therapy and understanding of molecular mechanisms indicate that hormone therapy is more effective than chemotherapy in treating early breast cancer. The use of GnRH antagonists and aromatase inhibitors holds promise for treating younger women and post-menopausal patients, respectively.

Prozac is effective for depression...and hot flashes too

A recent study found that Prozac significantly reduced hot flashes in women with breast cancer, providing a viable treatment option. The medication was compared to placebo and showed a 50% decrease in hot flash frequency and severity.

Mayo Clinic news briefs

A Mayo Clinic study finds an association between estrogen status and reduced coronary calcium and plaque area, suggesting a potential benefit against heart disease. Estrogen may modulate the calcium content of atherosclerotic plaques, slowing progression of atherosclerosis in women.

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.

Early promise of new treatment for type 2 diabetes

A pilot study suggests that continuous administration of GLP-1 can improve insulin sensitivity, b-cell function, and reduce blood glucose levels in patients with type 2 diabetes. The treatment also resulted in weight loss and reduced appetite, with no reported side effects.

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.

Moderate alcohol consumption reduces cardiovascular risk in postmenopausal women

A study published in the American Journal of Clinical Nutrition found that moderate alcohol consumption can lower cardiovascular risk factors in postmenopausal women. The researchers observed significant improvements in lipid profiles, with a greater benefit for those starting with higher levels of LDL-cholesterol and triacylglycerols.

HRT could protect against leg ulcers

A recent study published in The Lancet found that hormone replacement therapy (HRT) may help prevent venous leg ulcers and pressure sores in elderly women. Researchers analyzed data from over 45,000 patients and discovered a 35% lower risk of developing these chronic wounds among HRT users.

Raloxifene after tamoxifen not beneficial

Researchers found that raloxifene did not prevent growth of breast tumors previously exposed to tamoxifen, while being less effective in blocking endometrial tumor growth. The study suggests that raloxifene may not further reduce the risk for breast cancer recurrence after five years of tamoxifen therapy.

Apple iPhone 17 Pro

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

Antidepressant provides a cool choice for hot flashes

A recent study by Mayo Clinic researchers has confirmed that long-term use of venlafaxine provides women with breast cancer significant relief from hot flashes, with a 60% reduction in frequency over eight weeks. The antidepressant is considered a safe and effective non-hormonal alternative to estrogen for treating hot flashes.

Depression treatments less effective among certain groups

A recent study found that depression treatments are less effective among certain populations, including elderly women and individuals with low education levels. These populations tend to have higher rates of non-response to treatment, suggesting the need for more intensive specialty mental health care.

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.

Hormone therapy may boost quality of life, say Stanford researchers

A Stanford study shows that hormone therapy can improve mental health and reduce depression in women experiencing hot flashes, but may have negative effects on those without symptoms. The research suggests that women should discuss their individual risks and benefits with their doctor before making a decision.

Hormone replacement therapy may delay cognitive decline in older women

A collaborative study found that lifetime exposure to hormone replacement therapy (HRT) may be associated with better maintenance of cognitive function in older women free of dementia. The study included over 2,000 women aged 65 and older, who were followed for three years to assess changes in cognition and depression status.

Estrogen holds promise as preventive therapy for cardiovascular disease

A randomized controlled trial found that unopposed estrogen therapy reduced atherosclerosis progression by .0017 millimeters per year in postmenopausal women. The study also showed that cholesterol-lowering drugs had a similar effect when combined with estrogen, suggesting potential benefits for cardiovascular health in women at risk.

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.

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.

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.

Prostate cancer screening creates new dilemma for men

The rate of prostate cancer diagnosis has increased significantly, with only 3-5% of newly diagnosed patients having advanced disease. However, the impact of this shift on mortality rates is uncertain, as PSA screening can lead to over-treatment and unnecessary aggressive treatment.

Medication prevents osteoporosis in men treated for prostate cancer

A new study from Massachusetts General Hospital found that medication pamidronate prevented bone loss in men with prostate cancer who received androgen-deprivation therapy. The study showed significant differences in bone mineral density between the treatment and control groups.

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.

Annals of Internal Medicine, Tip Sheet, August 21, 2001

A study found raw (uncooked), contaminated alfalfa and clover sprouts cause illnesses in California, leading to six outbreaks of salmonellosis and E. coli 0157. Researchers also discovered that hormone replacement therapy (HRT) may help lower blood pressure in women as they age.

Testosterone therapy - spotlight on the older man at last

The European Society of Human Reproduction and Embryology is advocating for testosterone therapy in older men due to the increasing prevalence of age-related symptoms such as low energy, depression, and erectile dysfunction. Testosterone replacement therapy has been shown to alleviate these symptoms, particularly in men over 50 years old.

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.

Annals of Internal Medicine, Tip Sheet, December 19, 2000

New data from the Nurses' Health Study suggests hormone replacement therapy reduces heart attack risk by 40% in postmenopausal women. However, taking higher doses of estrogen or combination therapy with progestin may increase stroke risk by 30%.

Study identifies effective nonhormonal remedy for hot flashes

Venlafaxine has been shown to alleviate hot flashes in postmenopausal women, including those with breast cancer, by reducing symptoms by 61%. The study found that a daily dose of 37.5-75mg was optimal for effect, with mild improvements in quality of life and no significant impact on libido.

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.

Breast cancer symposium set for San Antonio

The symposium aims to provide state-of-the-art information on breast cancer research. Five plenary speakers will discuss various topics, including targeted therapies and hormone replacement therapy.

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.

Therapy gives new voice to the person some people believe they should be

A speech-language pathologist is presenting a successful program that helps male-to-female transgender clients acquire a more feminine-sounding voice. The one-year intensive therapy focuses on practical skills like speech rate, intonation, and non-verbal communication to improve the client's overall perception as a woman.

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 therapy may help prevent memory decline in elderly women

Dr. Sherwin's research suggests that estrogen replacement therapy prevents some of the decline in verbal memory and ability to learn new material in postmenopausal women. This effect has been observed even in women who underwent surgical removal of their ovaries, which led to a sudden drop in estrogen levels.