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

CAD proves to be viable option for second reading mammograms

A prospective study found that CAD significantly improves cancer detection rates, particularly for calcifications, while reducing recall rates slightly. The results indicate that CAD is an effective way to double-read mammograms without the need for a second radiologist.

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.

Pap smears, mammography should be targeted at healthy elders, study says

A recent study by the University of California - San Francisco found that healthy older women are more likely to be screened for cancer, while those in poor health are less likely. The study analyzed data from over 4,700 women aged 70 and above, revealing a significant gap in screening rates among healthy versus unhealthy individuals.

Digital mammography longer to interpret

Interpretation times for digital mammography (SFM) were significantly shorter than those for full-field digital mammography (FFDM), with a 59% difference. Technical problems also occurred more frequently in FFDM cases, impacting accuracy and efficiency.

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.

MEP calls for European strategy in the fight against breast cancer

The European Parliament and Commission are urging a unified EU approach to combat breast cancer, citing the potential for 90% of patients to be cured with early diagnosis. Breast cancer centers must meet specific requirements, including 150 operations per year and multidisciplinary case conferences.

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.

Breast augmentation may interfere with mammography interpretation

A recent study suggests that breast augmentation procedures can affect the sensitivity of mammography, with women with implants having lower detection rates. However, this does not necessarily translate to a higher risk of advanced disease at diagnosis. Women with breast implants should still follow recommended screening intervals.

New breast scanner can detect early signs of cancer

The new device detects subtle changes in cells before tumor formation, enabling early detection and potentially improved treatment outcomes. It can image small breasts and axillary lymph nodes, and works without breast compression, making it more comfortable for patients.

Apple iPhone 17 Pro

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

Computer-assisted breast imaging systems help find and characterize cancers

Researchers at Michigan Medicine developed computer-assisted breast imaging systems that improve the accuracy of interpretation of digital mammograms and breast ultrasound images. The systems were shown to improve the ability of highly experienced radiologists to detect cancerous tumors, potentially sparing women from unnecessary biops...

High nuclear grade associated with recurrence of in situ breast lesions

A study of 1,036 women with ductal carcinoma in situ (DCIS) diagnosed at age 40 or older found that those with high-nuclear-grade lesions had a higher risk of invasive cancer recurrence. Women treated by lumpectomy alone who experienced initial palpation-detected lesions also faced a greater risk of recurrence.

Commentaries question benefit of early breast cancer screening

Commentaries question the benefit of early breast cancer screening for women aged 40-49, citing higher mortality rates among screened women. Experts highlight possible biologic explanations and the importance of informed consent, while also warning of potential harms such as false positives and overtreatment.

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.

Contrast mammography reveals hard-to-find cancers

A new dual-energy, contrast-enhanced digital subtraction mammography technique has shown promising results in revealing hard-to-detect breast cancers. The study found that the technique was able to identify cancerous tumors in 13 out of 26 patients, with accuracy rates similar to those achieved by breast magnetic resonance imaging (MRI).

North American mammographers prone to more false positives, study finds

A recent study found that North American mammographers are more likely to interpret mammograms as abnormal, leading to higher rates of false positives and unnecessary follow-up procedures. The study analyzed data from 32 community-based screening programs in North America and compared outcomes with those in other countries.

New digital technique improves mammography results

Contrast digital mammography has been shown to accurately identify cancers in patients with suspicious abnormalities, reducing false positives and unnecessary biopsies. The new technique uses intravenous iodine contrast to enhance blood vessels created by tumors, improving detection in dense breast tissue.

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.

Residents say 'no' to mammography

A survey of US radiology residents found that most were hesitant to pursue breast imaging training or interpret mammograms due to negative attitudes and perceived drawbacks. The shortage of qualified radiologists is expected to worsen as demand for screening mammography services increases with an aging population.

3D mammography shows promise as next breast screening technique

Researchers found that 3D mammography (TOMO) outperforms traditional mammography in detecting breast lesions, including masses and architectural distortions. The technique has the potential to reduce anxiety for patients by providing a more accurate diagnosis upfront.

Mammograms read by specialists save patients’ time and money

A study found that using mammograms read by specialists reduces call back rates significantly, with an average rate of 8% in the second year compared to 11% in the first year. Specialists are defined as radiologists who have read 3,000 mammograms per year over the last two years.

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.

MR should be considered for breast screening of high risk women

A study reviewed the records of 367 high-risk women who underwent MR imaging screening and found that 59 required biopsies, with 17 cases revealing new cancers not detected on mammograms or physical exams. The majority of detected cancers were ductal carcinoma in-situ (DCIS), an early stage of breast cancer.

European studies highlight value of screening for breast cancer

Mammography screening has been shown to significantly reduce breast cancer mortality in European countries. Studies found that women aged 40-69 years who received screening had a 44% reduced risk of dying from breast cancer, while those not screened had a 16% reduction.

Most women say mammography only mildly painful

A recent study found that most women (72%) experience some level of pain during mammography, but this does not deter them from returning for follow-up screening. The study also discovered a link between the timing of mammograms and pain levels in premenopausal women.

Celestron NexStar 8SE Computerized Telescope

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

Radiologist training may affect accuracy of mammogram interpretation

A study found that recent radiologists interpreted screening mammograms more accurately than those with less training, while facilities with higher diagnostic volume showed improved accuracy. The researchers suggest additional studies to clarify the complex relationship between radiologist experience and mammogram interpretation.

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.

New 3-D mammography system may improve breast imaging

The new digital tomosynthesis system provides high-resolution cross-section images with reduced structure overlap, making lesions easier to detect. This technology has the potential to revolutionize breast cancer detection and diagnosis, allowing for earlier interventions.

Annals of Internal Medicine tip sheet Nov. 19, 2002

A new study supports routine mammography screening for women over 75, while a separate study finds that postmenopausal hormone use and heavy drinking increase breast cancer risk. The guidelines also recommend against combined estrogen and progestin therapy for preventing cardiovascular disease in postmenopausal women.

Mammography frequently detects noninvasive tumors

Research found that approximately 20% of the breast cancers detected by screening mammography were ductal carcinoma in situ (DCIS), and the rate of DCIS diagnoses per 1000 mammograms increased with age. Mammograms were also more sensitive at detecting DCIS than invasive breast cancer.

Radiologists’ interpretation of mammograms varies widely

A study of community radiologists' mammogram interpretations found wide variation in how often masses, calcifications, and suspicious lesions are detected. False-positive readings increased with patient demographics, training level, and time since graduating from medical school.

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.

Annals of Internal Medicine, tip sheet, September 3, 2002

A Canadian National Breast Cancer Screening Study found that annual mammography for five years had no impact on breast cancer deaths in women aged 40-49. The US Preventive Services Task Force recommends starting mammography at age 40, but evidence is considered 'fair' due to conflicting results.

Other highlights in the August 7 issue of JNCI

Researchers found that MMP-9 expression contributes to angiogenesis in human ovarian tumors, while dense breasts compromise diagnostic mammography sensitivity. Aspirin users have a lower risk of developing pancreatic cancer, according to the study.

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.

Dartmouth/VA researchers examine news coverage of breast cancer prevention

A study by Dartmouth/VA researchers found that major US news media favored routine use of screening mammography and urged caution about tamoxifen, with greater emphasis on the negative aspects of the latter. The coverage of these issues highlights the need for balanced media reporting to focus on science rather than emotions or politics.

Calcification of breast blood vessels may predict stroke risk

Researchers discovered that calcification of breast blood vessels is associated with an increased risk of stroke. Women with diabetes, older age, and low educational background are at higher risk. Mammograms might one day be used to better determine a woman's cardiovascular risk.

Study reveals benefits of lay health advisers in boosting mammography

Researchers found that a network of lay health advisers increased mammography use among rural black women over age 50 by 6 and 11 percent, respectively. The program's effectiveness in boosting breast cancer screening rates was demonstrated through data from the North Carolina Breast Cancer Screening Program.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Swedish trials suggest modest benefit for screening mammography

The Swedish trials indicate a significant reduction in breast cancer mortality among women given mammography screening, with the greatest benefit seen in age groups 60-69 years. The trials found no significant difference in death from all causes between screening and control groups.

Volume of mammograms read may influence accuracy of diagnosis

A study found that high-volume mammography readers in the US detected fewer cancers than their British counterparts, despite meeting lower annual standards. The research suggests re-engineering US screening programs to improve efficiency and quality without increasing interventions.

Meta Quest 3 512GB

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

Mammography screening-the debate continues

A recent meta-analysis and follow-up study found no immediate life-saving effect of mammography screening, but suggested that it may reduce breast cancer mortality after several years. Researchers argue that the analysis must focus on case-fatality rates rather than overall mortality rates to accurately evaluate the benefits.

Annals of Internal Medicine, Tip Sheet, December 18, 2001

The article highlights three articles addressing hypertension control: managing diabetes, blood pressure-lowering drugs, and the DASH diet. Additionally, a study reveals gaps in newspaper articles on mammography, which often oversimplify or misrepresent scientific evidence.

Charging for breast-cancer screening reduces attendance

Researchers found that introducing charges for breast-cancer screening reduced attendance rates, particularly among younger women. In Turku, Finland, the introduction of a fee sent a message to the female population questioning regular mammography screening.

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.

Screening mammography under scrutiny

A recent analysis published in The Lancet suggests that routine breast cancer screening through mammography may not be effective in reducing deaths. The study found that the two best trials failed to show an effect of screening on deaths ascribed to breast cancer after 13 years, and that screening leads to more aggressive treatment.

Gaps found in mammography use

Despite low use rates among Canadian women aged 50-69, mammography screening remains incomplete, particularly in underserved communities. Organized programs and targeted education strategies can help address these gaps.

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.

Study: Fast follow-up eases mammogram stress

A study published in Radiology found that women who receive further testing on the same day as an abnormal screening mammogram experience significantly less stress than those who have to wait. The researchers also found that offering immediate diagnostic imaging can reduce the stress of a false positive mammogram, but would increase ov...

Researchers find money chief reason for racial differences in mammography

A new study by University of North Carolina researchers finds that financial factors are a major contributor to the racial disparities in mammography rates among black women. The study, which controlled for other variables, found that black women who received a recommendation for mammography were more likely to have health insurance an...

Study challenges mammogram effectiveness in breast screening

A study found that breast cancer mortality was almost identical in two groups of women aged 50-59, one receiving annual mammograms and the other physical examinations alone. Effective and regular breast physical examinations with breast self-examination may be an alternative to annual mammograms for this age group.

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.