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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

Apple iPhone 17 Pro

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

Risk of breast cancer recurrence may depend on treating surgeon

A study published in Journal of the National Cancer Institute found that breast cancer recurrence rates can vary significantly based on the treating surgeon. The researchers analyzed data from over 1,000 women with ductal carcinoma in situ and discovered that positive or close margins following surgery substantially compromised disease...

Annual breast cancer screening beginning at age 40 reduces mastectomy risk

A study by the Radiological Society of North America found that annual mammography between ages 40 and 50 significantly reduces mastectomy rates. The researchers analyzed data from 971 women diagnosed with breast cancer and treated at a UK hospital, concluding that yearly screening improves breast conservation outcomes.

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Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

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.

Breakthrough breast cancer therapy reduces mastectomies, saves breast

Researchers at OU Health Sciences Center have developed a new treatment that kills large breast cancer tumors and reduces the need for mastectomies by almost 90 percent. The treatment, called Focused Microwave Thermotherapy, uses microwave technology to kill cancer cells, allowing women to save their breast tissue.

Study examines mastectomy and breast-conserving surgery rates

A study found that breast-conserving surgery was offered to the majority of patients, with surgeons' recommendations and patient preferences playing key roles. The study suggests that increased patient involvement in breast surgery decisions is associated with greater probability of mastectomy.

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.

More women choosing to remove healthy breast after cancer diagnosis

A new study finds that the number of women opting for prophylactic mastectomies is rising, particularly among those with cancer in one breast. Despite limited information available, the surgery appears to be increasing, but its benefits and risks should be carefully considered.

Mutation of BRCA gene influences women's views of preventive mastectomy

Women with BRCA gene mutations strongly favor preventive mastectomy as the most effective way to reduce their risk and fears of developing breast cancer. The study found that over 80% of these women ultimately underwent the procedure, highlighting the significant impact of genetic testing on medical decision-making.

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Sky & Telescope Pocket Sky Atlas, 2nd Edition

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Women with breast cancer who choose preventive mastectomies

A study published in the Journal of Clinical Oncology found that women with breast cancer who undergo preventive mastectomies are satisfied with their decision and have a lower risk of developing future breast cancer. The survey also revealed that concerns about breast cancer were more common among women without the procedure.

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.

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.

Immediate breast reconstruction after mastectomy does not delay chemotherapy

A study of 128 women found that immediate breast reconstruction after mastectomy did not delay the initiation of postoperative chemotherapy. The overall rate of wound complications was 15.5%, with higher rates in patients who underwent immediate breast reconstruction, but these complications did not affect chemotherapy timing.

Race a factor in breast reconstruction after mastectomy

African-American women are less likely to undergo immediate or delayed breast reconstruction after mastectomy compared to Caucasian, Hispanic, Asian, and Middle Eastern women. Physicians' referral patterns and patient acceptance also contribute to these racial discrepancies.

High mastectomy rates due to breast cancer patients' choices, UMHS study finds

A recent study by the University of Michigan Comprehensive Cancer Center found that breast cancer patients who made their own treatment decisions were more likely to choose mastectomies over breast-conserving surgeries. The study also revealed that fewer than a third of women with mastectomies received reconstructive surgery, and those...

Conservation treatment or mastectomy for DCIS?

A new study found that women with ductal carcinoma in situ (DCIS) who undergo conservation treatment have a similar rate of survival compared to those who undergo mastectomy. Close monitoring and regular screenings are crucial for successful treatment and early detection of recurrence.

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Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Women pleased with preventative mastectomy decision

A study of women in Ontario who had double mastectomies between 1991 and 2000 found that two-thirds reported no change or improvement in their sexual functioning. The majority also showed no decline in self-image, with nearly half reporting an improved self-image after surgery.

Risks of outpatient surgery vary with patient characteristics, surgical setting

A study published in Archives of Surgery examined 564,267 outpatient surgical procedures and found that risk factors include advanced age, prior hospitalization, and invasive surgeries. The results highlight the importance of proper assessment and resource availability for high-risk patients undergoing outpatient surgery.

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.

Breast cancer risk overestimated by women, says University of Toronto study

A University of Toronto study reveals that women who undergo prophylactic bilateral mastectomy significantly overestimate their breast cancer risk, except for those with BRCA1 and BRCA2 mutations. The study suggests that formal genetic counselling is essential for women considering the procedure to make an informed decision.

Surgeons don’t offer women choices of treatment as often as they could

A study found that surgeons rarely offer women a choice between mastectomy and breast-conserving surgery, despite medical appropriateness. Women's perceptions of receiving a choice differ significantly from surgeons' perceptions, with female surgeons focusing on security and male surgeons prioritizing femininity.

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.

'Drive-through' mastectomies becoming more common

The incidence of outpatient total mastectomy increased significantly between 1990 and 1996, particularly in states like Colorado and Maryland. Insurance coverage also played a role, with Medicaid patients being more likely to require hospital stays.

Breast reconstruction during mastectomy boosts well-being most, study finds

A new study led by the University of Michigan found that breast reconstruction during mastectomy significantly improves emotional, social, and functional well-being. Women who opted for simultaneous reconstruction experienced a larger psychological boost than those who waited for reconstructive surgery later.

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Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.