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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

Novel breast tomosynthesis technique reduces screening recall rate

A new digital breast tomosynthesis technique has been shown to reduce screening recall rates and improve cancer detection, while minimizing radiation exposure. The technique, known as s2D mammography combined with DBT, detected 76.5% of invasive cancers at a lower rate than traditional methods.

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Bringing evidence to health screening debates

Constantine Gatsonis, a leading researcher on cancer screening studies, emphasizes the importance of rigorously produced evidence in health screenings. His work has shed light on the accuracy, cost-effectiveness, and impact of various screening methods, including digital mammography and tomosynthesis.

Has the Affordable Care Act reduced socioeconomic disparities in cancer screening?

A new study found that the Affordable Care Act (ACA) increased mammography use among all economic subgroups, including those with lower incomes. However, colonoscopy screening rates remained unchanged despite eliminating out-of-pocket expenses under the ACA. The findings suggest that other barriers to colonoscopy access may still exist.

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.

Large study finds no evidence for age-based mammography cut-off

A large study analyzed over 5.6 million screening mammograms and found a gradual upward trend in cancer detection rates and positive predictive values with increasing age, but no clear evidence for age-based mammography cessation. The findings support guidelines encouraging individual patient decisions based on health status.

Mammo outcomes improve when docs compare prior screenings

A study published in the American Journal of Roentgenology found that radiologists who compare prior mammograms with more than one image have better true-positive outcomes and fewer false-positives. This reduction in recall rates can lead to a decrease in anxiety, radiation exposure, biopsies, and healthcare costs for patients.

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Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Breast density matters in detection of breast cancer

Women with extremely high breast density are more likely to develop breast cancer, and current mammography technology may miss tumors. Researchers are working to improve breast cancer diagnosis and health outcomes for women through education and better utilization of screening methods.

Radiologists detect breast cancer in 'blink of an eye'

A new study by Brigham and Women's Hospital investigators shows that trained radiologists can identify abnormal mammograms at better than chance levels when shown images for only half a second. The researchers found that finer details of breast tissue texture help radiologists make the correct diagnosis more frequently.

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Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

New report presents bundled payment model for breast cancer screening

A new report by the Harvey L. Neiman Health Policy Institute proposes a bundled payment model for breast cancer screening, which could help reduce healthcare costs and improve patient adherence to screening guidelines. The model includes mammography and downstream diagnostic imaging services within a 364-day episode window.

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

Experts assess changes to breast cancer screening recommendations

The American Cancer Society's new guidelines modify mammography ages and emphasize patient involvement in decision-making. The shift aims to balance cancer detection with the high rate of false positives, which are approximately 19 times more likely than true positives.

Innovative device allows 3-D imaging of the breast with less radiation

Researchers have developed a new device that enables existing breast cancer imagers to provide up to six times better contrast of tumors in the breast while maintaining the same or better image quality. The Variable Angle Slant Hole Collimator reduces radiation dose to patients by half, potentially improving imaging of other organs.

Breast cancer detection rates of mammogram readers don't decline over time

A study by Dr Sian Taylor-Phillips and her team found no decline in mammogram readers' accuracy, despite previous theories suggesting a 'vigilance decrement.' The researchers analyzed 1.2 million women's x-rays and found that cancer detection rates stayed constant throughout each batch of approximately 35 readings.

Breast cancer screening accuracy and time spent evaluating mammograms

A study published in JAMA found that longer periods of film readers interpreting screening mammograms did not result in a reduced rate of breast cancer detection. The researchers investigated the impact of changing the order in which two experts examined digital mammograms on cancer detection rates, but found no significant difference.

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Poor understandability of notifications sent to women regarding breast density

A study by Nancy R. Kressin and colleagues found that dense breast notifications sent to women after mammography contain poor readability and understandability, potentially exacerbating disparities in breast cancer screening. Only three states' notifications met the recommended readability level of grades 7-8 or above.

Study finds readability of dense breast notifications poor

A new study found that dense breast notifications are often poorly readable and understandable, creating uncertainty for women making decisions about supplemental screening. The study suggests that efforts should focus on enhancing the readability of these notifications to inform women accurately about their breast density status.

Breast density and outcomes of supplemental breast cancer screening

A study published in JAMA found that adding tomosynthesis to digital mammography significantly increased cancer detection rates and reduced recall rates for women with dense breasts. The findings suggest that supplemental breast cancer screening using tomosynthesis may improve outcomes for women with varying levels of breast density.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

More Latinas screened for breast cancer after 'Promotora' visits

A Kaiser Permanente study found that Latina women who received 'Promotora' visits had nearly twice the screening rate of those who did not receive visits. The study showed a modest but significant increase in screening rates, with over 19% of participants completing a mammogram within a year.

Mammograms: Another way to screen for heart disease?

A study suggests that breast arterial calcification visible on digital mammography is linked to coronary arterial calcification and cardiovascular risk. The presence of breast arterial calcification appears to be an equivalent or stronger risk factor for CAC than other well-established cardiovascular risk factors.

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.

More research needed on evaluation of dense breasts

A systematic review of breast density studies found unreliable determinations and a significant risk of re-categorization. Supplemental diagnostic screenings for women with dense breasts may find additional cancers but also greatly increase false positive results, highlighting the need for more research on evaluation methods.

USPSTF final recommendations on breast cancer screening

The USPSTF recommends regular mammography screening for women aged 50-74, with a recommended frequency of every two years. Women in their 40s should make an individual decision with their doctor about starting screening, considering factors like health history and preferences. The Task Force also notes that screening is less effective ...

Making a safe procedure even safer

A comprehensive modeling study found that breast cancer screening with digital mammography poses only a small risk of radiation-induced breast cancer for most women. However, the research showed increased risk for women with large breasts or breast implants. The study suggests biennial screening from ages 50 to 74 may be the safest opt...

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.

False-positive mammograms may indicate increased risk of breast cancer later

Women with a history of false-positive mammogram results may be at increased risk of developing breast cancer for up to 10 years after the initial false-positive result. A new study found that women who received a false-positive result had a 39% higher risk of subsequent breast cancer compared to those with true-negative results.

One very brainy bird

A new study finds that pigeons can accurately categorize digitized microscope slides and mammograms of benign and malignant human breast tissue. With training, they perform as well as humans in this task, demonstrating a remarkable ability to perceive and process visual cues.

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.

Common pigeon: Not just a bird brain, but a brainy bird

A new study found that pigeons can accurately distinguish between benign and malignant breast cancer slides, similar to human observers. With some training, pigeons performed just as well as humans in categorizing digitized microscope slides and mammograms of normal vs. cancerous breast tissue.

Mammography screening: Only 1 in 3 women is well-informed

A new study published by Bielefeld University found that only one in three women participating in Germany's mammography screening programme (MSP) are well-informed about it. The study also showed that women with higher levels of education and those from Turkish migration backgrounds are more likely to make an informed decision.

High-grade DCIS detection rates increase in older women

A large study found that high-grade DCIS detection rates increase with age, particularly among women over 65. The study suggests that standard DCIS therapy may not be effective in this age group and highlights the need for more research on the effectiveness of screening.

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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Study combats 'anxiety' as barrier to breast cancer screening

A study published in the Journal of the American College of Radiology describes a successful intervention to decrease anxiety related to mammography, increasing breast cancer screening rates. The study found that information about the logistics and outcomes of mammography reduced anxiety and improved understanding among participants.

Later age recommended for first screening mammogram

The American Cancer Society recommends starting annual mammography screening at age 45 for average-risk women. Women between 40-44 can choose to begin annual screening. Clinical breast examination is no longer recommended due to lack of clear evidence on its effectiveness in detecting breast cancer.

Annual vs. biennial mammography and breast tumor prognostic characteristics

A recent study found that premenopausal women who received annual mammography screenings had smaller and less advanced tumors compared to those who received biennial screenings. In contrast, postmenopausal women did not show significant differences in tumor characteristics regardless of screening frequency.

Menopausal status a better indicator than age for mammography frequency

A new study suggests that postmenopausal women may be safely screened every two years, while premenopausal women over 40 may benefit from annual mammograms to increase early detection. The research also highlights the importance of considering menopausal status rather than age when determining screening intervals.

MRI technique could reduce need for breast biopsies

A new MRI technique, DWIBS-MRM, has been shown to provide accurate results for breast cancer detection without the need for ionizing radiation or contrast agents. The technique achieved a high negative predictive value of 92% and may potentially reduce unnecessary biopsies.

Meta Quest 3 512GB

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

Computer-aided detection does not improve breast cancer screening

A large national BCSC study found that computer-aided detection (CAD) of breast cancer screening does not improve accuracy or patient outcomes. CAD raised screening costs and increased false positives, but did not detect more cancers or improve outcomes for women in screening programs.

Computer-aided mammography detection not associated with improved accuracy

A large study found that computer-aided detection (CAD) for mammography did not improve diagnostic accuracy in radiologists' interpretations. Despite increased use and FDA approval, CAD's effectiveness was not supported by the results, leading to calls for reduced reimbursement or reconsideration of its continued coverage.

New approach to mammograms could improve reliability

Researchers developed a new method using gold nanoparticles to enhance mammogram imaging, improving the detection of early signs of breast cancer. The technique boosts contrast and makes microcalcifications brighter on X-rays, potentially leading to more reliable diagnosis.

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.

Mammography benefits overestimated

A review of randomised trials on cancer screening finds that mammographic screening may not reduce breast cancer mortality as expected. The study suggests that the benefits of mammography screening are likely to have been overestimated due to an unconventional statistical method used in earlier trials.

False breast cancer alarm has negative impact on health

A new study by the University of Copenhagen found that women who received a false positive mammogram result showed signs of stress and depression years after the initial diagnosis was denied. Researchers are now urging for better information and support to be provided to women receiving false positives.

New method detects more breast cancer in screening

A new screening method, tomosynthesis, has been found to detect 40% more breast cancers than traditional mammography. The technique uses 3D X-ray images and reduces discomfort and pain during the examination.

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.

US women's awareness of breast density varies

A Mayo Clinic study found that US women's awareness of breast density varies significantly by race, ethnicity, household income, education level, and healthcare experiences. More than half of women reported having heard of breast density, but only 53% knew it was associated with cancer risk.

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.

California breast density law slow to have an impact

UC Davis researchers found that half of primary care physicians are unfamiliar with the law, and many don't feel comfortable discussing breast density with patients. The study suggests that increased physician education is needed to address this gap and improve patient outcomes.

3-D mammography improves cancer detection in dense breasts

A new study found that digital breast tomosynthesis significantly increases cancer detection in women with dense breasts. In a population-based mammography screening program, tomosynthesis improved cancer detection rates by 30-40%, particularly for invasive cancers and those with fatty breasts.

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.

New device may ease mammography discomfort

Researchers developed a device to display average pressure during compression, reducing pain and variability associated with current force-based protocol. The study found that standardizing pressure, not force, leads to more comfortable mammography without sacrificing image quality.