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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

Hispanics live in areas with limited capacity for colorectal cancer screening

A new study reveals that Hispanics living in areas with low endoscopy capacity are less likely to undergo colorectal cancer screening. The study found a modest increase in screening rates as endoscopy capacity improved, suggesting that addressing local capacity constraints could help reduce disparities in screening.

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.

Blacks have lower follow-up rates after colon cancer screening

A recent study found that blacks in the US are less likely to follow up on abnormal colon cancer screening test results, highlighting disparities in healthcare utilization. The study analyzed data from a large national trial and found that 62.6% of black participants went for a diagnostic colonoscopy, compared to 72.4% of white partici...

Apple iPhone 17 Pro

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

1 disease, not 1 demographic

A recent study by Grace X. Ma found that cancer screening rates differ greatly across Asian subgroups in the US, with some groups facing significant barriers to care due to language and cultural differences. The study highlights the need for culturally sensitive interventions to address these disparities.

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.

Resident physicians seldom trained in skin cancer examination

A survey of resident physicians found that many are not trained in skin cancer examinations, with only a small percentage reporting skill levels in performing the procedure. The study highlights the need for comprehensive training programs to teach this essential skill.

Contribution of clinical breast examination to breast cancer screening

A new study published in the Journal of the National Cancer Institute found that adding clinical breast examination to mammography improves breast cancer detection rates and sensitivities, but also leads to higher false-positive rates. The study used a cohort of over 290,000 women screened between 2002 and 2003.

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.

How to increase colonoscopy attendance?

A Chinese study establishes a multifaceted barrier-focused intervention program to increase colonoscopy attendance among nonadherent high-risk populations for colorectal cancer screening. The program significantly increased attendance rates, especially among those with objective barriers.

Fecal DNA methylation detects gastric and colorectal cancers

A new study published in the Journal of the National Cancer Institute found that fecal DNA methylation can detect gastric and colorectal cancers. Methylation patterns were more likely to be found in advanced tumors, with detection rates of 57% for gastric cancer patients and 75% for colorectal cancer patients.

Cancer mortality rates experience steady decline

A recent report by the American Association for Cancer Research finds that cancer mortality rates have declined steadily across all age groups over the past three decades. The decline is attributed to improved screening and treatment methods, with even younger individuals experiencing significant reductions in mortality rates.

Celestron NexStar 8SE Computerized Telescope

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

Fluke 87V Industrial Digital Multimeter

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

Adult cancer survivors at increased risk of psychological distress

Long-term adult cancer survivors face a higher risk of experiencing serious psychological distress due to effects on physical health and social adaptation. Approximately 5.6% of cancer survivors screened positive for severe psychological distress within the previous 30 days.

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.

Advance in bowel cancer test research

Australian researchers have developed gene expression biomarkers that can accurately detect pre-cancerous and cancerous colorectal growths from non-cancerous controls. This breakthrough is a result of a collaborative study involving CSIRO, Flinders University, and Clinical Genomics Pty Ltd.

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.

Lifelong cancer risk for patients treated for childhood cancer

A new study found that childhood cancer survivors have a significantly increased risk of developing second primary cancers throughout their lives. The research, published in the Journal of the National Cancer Institute, analyzed data from 47,697 people diagnosed with cancer before age 20 and found a higher incidence rate of new primary...

City-dwellers have higher risk of late-stage cancer than rural residents

A new study published in the American Cancer Society found that people living in urban areas are more likely to develop late-stage cancer than those in suburban and rural areas. The research suggests a need for more effective urban-based cancer screening and awareness programs, particularly for vulnerable populations.

Ovarian cancer screening not catching early disease

A new study found that ultrasound and blood test screening for ovarian cancer only catches the disease in its late stages, resulting in unnecessary surgery. The positive predictive value of these tests is remarkably low, leading to many false positives.

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.

Human papillomavirus genotype distribution in New Mexico cervical cancers

A population-based study found that HPV16 and HPV18 genotypes were present in the majority of invasive cervical cancers in New Mexico. The mean age of women diagnosed with HPV16- or HPV18-positive cancer was 5 years younger than that of women diagnosed with other HPV types, suggesting implications for future cancer screening.

Germany: Colonoscopy prevents 15,000 cancer cases

The German colonoscopy program has prevented approximately 15,000 cases of colorectal cancer between 2003 and 2010. The program's effectiveness is attributed to the early detection of cancer precursors through endoscopic examinations.

PSA screening cuts deaths by 20 percent

The study found that PSA screening can reduce prostate cancer deaths by 20%, saving one life for every 1,408 men screened. The European Association of Urology's largest prostate cancer screening study provides robust evidence for the effectiveness of screening on prostate cancer mortality.

Screening tests show promising results for the early detection of ovarian cancer

The largest randomised trial of ovarian cancer screening has shown that both the CA125 blood test and transvaginal ultrasound screening strategies are capable of detecting early stage ovarian cancers. The study detected almost half of all cancers in stage I/II, with a significant improvement in specificity for multimodal screening.

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.

Small molecules block cancer gene

Researchers at Baylor College of Medicine identified three small molecules that block the activity of Stat 3, a key enzyme in cancer cell survival. The compounds showed promise in inducing programmed cell death in breast cancer cells, offering new hope for cancer treatment.

Male infertility associated with testicular cancer

Men with male factor infertility are 2.8 times more likely to develop testicular cancer than those without this condition. A total of 34 men diagnosed with testicular cancer were found in a study of 22,562 infertile men.

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.

Incidence rates of cervical cancer linked to deprivation

A new study published in BMC Public Health found that cervical cancer incidence varies among geographical areas in Southeast England, with higher rates in more deprived areas. The research analyzed data on 2,231 cases of cervical cancer diagnosed between 2001 and 2005, revealing dramatic variations within regions.

Low-income men diagnosed more often with advanced prostate cancer

A recent study published in The Journal of Urology found that low-income men are diagnosed with more advanced prostate cancer due to inadequate access to screening services. This disparity is significant, as the study reveals that 19% of these men were diagnosed with metastatic cancer, compared to 4% in the general population.

Surge in older cancer survivors expected as baby boomers age

A growing number of older adults are expected to be diagnosed with and live longer with cancer due to the aging baby boomer population. Critical issues include prevention, screening, treatment, survivorship, and end-of-life care for older adults with 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.

Oldest old 'hanging in the balance'?

A lack of clear-cut scientific evidence has created controversy over breast cancer screening for women over 80. Researchers recommend investing in clinical trials to assess cancer screening and treatment for older individuals, strengthening empirical data for medical recommendations.

Drop in cancer deaths tied primarily to gains in behavior and screening

New research from Harvard University finds that improvements in behavior and screening are primarily responsible for the decline in cancer mortality. Screening has proven especially effective in early detection of colorectal and breast cancer, while behavioral changes have had the greatest impact on lung cancer.

McCain v. Obama: Whoever wins, $700B bailout means health care loses

Experts warn that both John McCain's and Barack Obama's healthcare plans will be significantly impacted by the $700 billion bailout. McCain's plan would cut federal insurance for the poor, while Obama's plan proposes expanded coverage with standard benefits. The bailout is expected to diminish prospects for health reform.

Meta Quest 3 512GB

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

Severe stress more common among long-term cancer survivors

Long-term cancer survivors are more likely to experience severe psychological distress than adults never diagnosed with cancer. Younger survivors aged less than 65 years old were particularly at risk, the study found. The research aims to raise awareness of psychosocial needs among long-term survivors and encourage routine screening.

Model highlights benefits and risks of cervical cancer screening methods

A computer model analysis suggests that different cervical cancer prevention approaches offer varying trade-offs between minimizing cancer risk and false-positive test results. Combined cytologic and HPV testing leads to more referrals for colposcopy than other strategies, with a three-fold difference in referrals for the least and mos...

Virtual colonoscopy as good as other colon cancer screening methods

A nationwide study confirms virtual colonoscopy's accuracy in detecting colorectal cancers and pre-cancerous polyps as high as traditional colonoscopy. This minimally invasive procedure has been endorsed by the American Cancer Society, offering a safe and non-invasive screening option for millions of Americans.

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.

UNC study: No need to repeat colonoscopy until 5 years after first screening

A new study found that people with an initial negative colonoscopy have a very low risk of developing colorectal cancer within five years. Based on this study, rescreening may not be necessary sooner than five years after the initial screening. The study's findings confirm what many gastroenterologists already believed.

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.