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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

Study could reduce unnecessary cancer screening

A large clinical trial led by The Ottawa Hospital and the University of Ottawa found that CT scans do not improve cancer detection in people with unexplained blood clots. Approximately four percent of patients from each group were diagnosed with cancer within the next year, with no difference in cancer-associated deaths.

Public not being informed about dangers of medical overdiagnosis

A national survey found that only one in ten Australians report being told about the risk of overdiagnosis by their doctors, while over 90% believe people should be informed. Overdiagnosis occurs when someone is diagnosed with a disease that will never cause harm due to unnecessary labelling and treatment.

Apple iPhone 17 Pro

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

ACP releases High Value Care screening advice for 5 common cancers

The American College of Physicians recommends screening for five common cancers: breast, colorectal, ovarian, prostate, and cervical. High-intensity screening may do more harm than good due to over-diagnosis and overtreatment. ACP advises focusing on tests that improve health and avoid harms.

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.

DBT dramatically improves cancer detection rate in dense breast tissue

Digital breast tomosynthesis (DBT) increases cancer detection rates among women with dense breasts, with a significant improvement seen in those with dense breasts called back for mass and asymmetry. The study found a striking increase in detection among these groups, offering new insights into DBT's effectiveness.

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.

MRI screening program for individuals at high risk of pancreatic cancer

A magnetic resonance imaging (MRI)-based screening program identified pancreatic lesions in 40% of high-risk patients, with 5 requiring surgery. The study suggests that MRI can detect cancer or premalignant lesions with good accuracy, reducing costs and increasing availability compared to more aggressive methods.

Cancer prevention efforts in the US a mixed bag

The American Cancer Society's new report highlights disparities in cancer prevention and early detection efforts, including underutilized screening for colorectal and cervical cancers. Meanwhile, tobacco use remains a major cause of preventable disease and premature death, with wide variation by education and race/ethnicity.

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.

How much overdetection is acceptable in cancer screening?

A UK survey found that people's willingness to accept overdetection in cancer screening varies greatly, depending on the level of benefit and perceived harms. The study revealed that up to 14% would accept overdetection in the entire population, with median acceptability ranging from 113 to 150 cases.

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.

Psychology has important role in changing cancer landscape

Research highlights psychology's contributions to cancer risk reduction, treatment adherence, quality of life, and survivorship. Psychological science helps individuals modify unhealthy behaviors that can lead to disease, and enhances the lives of people who have survived or are living with cancer.

Cancer screening concerns

Research reveals that adults in Ontario with IDD are nearly twice as likely not to be up-to-date on colorectal tests compared to their non-IDD counterparts. The study highlights the need for targeted interventions to make cancer screening more equitable in this population, where chronic conditions like cancer increase with age.

Stroke survivors may be at higher risk of having cancer

Research presented at the American Stroke Association's International Stroke Conference 2015 found that stroke survivors have a higher annual rate of age-adjusted cancer incidence compared to the general population. Additionally, stroke survivors who develop cancer are more than three times likely to die compared to those without cancer.

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.

Lung screening guidelines improve on study findings

A recent retrospective study found that Lung-RADS guidelines generated fewer false-positives than the National Lung Screening Trial, reducing unnecessary follow-up testing. The guidelines provide structured reporting tools for practices to benchmark performance and improve lung cancer screening's cost-effectiveness.

GQ GMC-500Plus Geiger Counter

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

War metaphors for cancer hurt certain prevention behaviors

A new study by University of Michigan researchers suggests that using war metaphors to describe cancer can have a negative impact on prevention behaviors. Participants who were exposed to such language were less likely to consider limiting unhealthy habits like smoking and excessive alcohol consumption.

Genes that cause pancreatic cancer identified by new tool

A new technique has uncovered large sets of previously unknown pancreatic cancer genes by introducing DNA transposons into mouse genomes. The study found that the Foxp1 gene drives cancer progression and is highly expressed in human cancers that have metastasised.

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.

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.

Lung cancer risk model refines decisions to screen

A new lung cancer risk model, PLCOm2012, refines decisions to screen individuals for annual CT scans, identifying a risk threshold for selecting high-risk smokers. The study found that this threshold resulted in higher sensitivity and specificity than the USPSTF criteria.

Meta Quest 3 512GB

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

Step towards blood test for many cancer types

A comprehensive review of 19,000 scientific papers identified more than 800 cancer-specific biomarkers that could lead to a single blood test for early detection of many types of cancer. The study aims to develop a screening test from a single blood sample for multiple cancer types.

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.

Genetic test would help 'cut bowel cancer spread'

A genetic test for Lynch Syndrome could help reduce the risk of bowel, womb, and ovarian cancers in families. The test would identify individuals who are at higher risk and provide them with risk-reducing measures such as more intensive surveillance to spot recurrences and new cancers early.

Breast screening for over 70s doesn't prompt sharp fall in advanced disease

The study found a sharp increase in early-stage breast cancer cases among 70-75 year olds after national screening was introduced, suggesting overdiagnosis. The researchers argue that personalized screening decisions based on remaining life expectancy and individual risk factors are necessary to avoid unnecessary overtreatment.

New method for non-invasive prostate cancer screening

Researchers in Guangdong, China have developed a new non-invasive method to screen for prostate cancer using surface-enhanced Raman scattering (SERS) spectroscopy combined with support vector machine (SVM) analysis. The technique achieved an accuracy of 98.1 percent in identifying cases of cancer.

Fluke 87V Industrial Digital Multimeter

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

Medicaid reimbursements may affect cancer screening rates among beneficiaries

A recent study found that states with higher Medicaid payments for office visits have more likely recipients to receive breast, cervical and colorectal cancer screenings. Eliminating asset tests can also increase the likelihood of receiving cancer screenings by helping low-income individuals remain enrolled in Medicaid.

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.

Researchers discover new way to determine cancer risk of chemicals

Researchers developed a predictive model to identify carcinogenic chemicals using gene expression response in the liver, improving cancer screening and evaluation processes. The new approach enables accurate and cost-effective screening for over 80,000 chemicals currently in commercial use.

Screening costs increased in older women without changing detection rates of ESBC

A new study published in JNCI: Journal of the National Cancer Institute found that breast cancer screening costs increased substantially among older women between 2001 and 2009, despite unchanged detection rates of early-stage tumors. The study analyzed data from the SEER-Medicare linked database and found a significant increase in scr...

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.

No link found between soy food and endometrial cancer risk, say researchers

Researchers analyzed data from over 112 women diagnosed with endometrial cancer, finding no association between soy food or isoflavone intake and the risk of endometrial cancer. The study's findings contradict previous research suggesting potential protective properties of soy foods against endometrial cancer.

3D breast imaging could revolutionize cancer screening

A study of over 59,000 patients found that 3D digital breast tomosynthesis increased overall cancer detection by 28.6% and invasive cancer detection by 43.8%. The technology also reduced recall rates in community-based radiology practice.

Improved diagnostic performance of low-dose computed tomography screening

A recent study found that a 5-year low-dose computed tomography (LDCT) screening protocol can detect lung cancer effectively, with a high proportion of cancers being treated and good long-term survival rates. The results show improved diagnostic performance compared to other studies, including the National Lung Cancer Screening Trial.

Guidelines address long-term needs of prostate cancer survivors

The American Cancer Society has released guidelines to support primary care of estimated 2.8 million men with a history of prostate cancer in the US. The guidelines outline posttreatment clinical follow-up care for long-term and late effects, including health promotion, surveillance for recurrence, and management of physical and psycho...

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.

In your genes: Family history reveals predisposition to multiple diseases

Researchers developed a family history screening questionnaire to assess predisposition to various diseases. The tool has been validated as effective in primary care, enabling healthcare providers to identify high-risk individuals and provide tailored interventions, including genetic testing and lifestyle management.

Tip sheet from Annals of Internal Medicine May 20, 2014

The US Preventive Services Task Force found insufficient evidence to recommend for or against screening for suicide risk in adolescents, adults, and the elderly. However, healthcare professionals should consider referring patients with risk factors or high emotional distress for further evaluation. On the other hand, vaccination during...

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.