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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

Many colorectal cancer survivors do not receive recommended follow-up care

A new analysis reveals that fewer than half of older patients with colorectal cancer receive the recommended screening schedule to detect any recurrence. The study found that some patients may not meet guideline standards due to other procedures, while others receive testing that goes beyond guidelines.

1 in 5 young men has had recent prostate cancer test

A study found that one in five men in their 40s have undergone a PSA test within the previous year. Young black men are more likely than young white men to have been screened. The study also revealed that younger Hispanic men and those with higher household income and education level were more likely to undergo testing.

Study finds more PSA screening awareness needed among high-risk groups

A study published by researchers at Duke University Medical Center found that only one-fifth of men under age 50 reported undergoing a PSA test in the previous year. Black men and men with a family history are disproportionately affected, highlighting the need for increased awareness and screening efforts.

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.

2 different breast cancer screening strategies are equally effective

A study comparing two breast cancer screening strategies in Norway and Vermont found that both approaches were equally sensitive for detecting cancer, with similar age-adjusted screening detection rates. However, the recall rate for abnormal mammograms was lower in Norway, while the rate of interval cancers was higher in Vermont.

Mammography facility characteristics associated with accuracy of screening

A study found that certain mammography facility characteristics, such as breast imaging specialists and screening/diagnostic services, are associated with improved interpretive accuracy. The analysis of 44 facilities performed over 484,463 screenings revealed variations in cancer detection rates between locations.

Family history and screening for colorectal cancer

A new study found that African Americans with a family history of colorectal cancer are less likely to be screened, contrary to expectations. Regular screening is crucial for early detection and prevention of colorectal cancer, which affects African Americans disproportionately due to their high incidence and mortality rates.

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.

Study finds patients overestimate cancer screening history

A new study by the American Cancer Society found that female African American patients tend to overestimate their level of cancer screening. The study compared self-reported data with medical records and found significant discrepancies for some procedures, affecting estimates of screening rates.

Scans spot hidden tumors in rare cancer syndrome

Researchers found unsuspected treatable tumors in Li-Fraumeni syndrome patients using full-body PET/CT scanning. The study suggests that periodic scans could catch more tumors at a curable stage, but further studies are needed to confirm the benefits and risks.

Apple iPhone 17 Pro

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

Biopsy techniques have made PSA test less predictive

A new study found that improved biopsy techniques have reduced the correlation between prostate-specific antigen (PSA) levels and positive biopsy results in men with a normal digital rectal exam. The study suggests that PSA tests are less useful for prostate cancer screening, highlighting the need for new diagnostic markers.

Major study links insurance status to advanced stage in multiple cancers

A new study found that uninsured patients are more likely to be diagnosed with advanced stage cancer compared to those with private insurance. The study, which analyzed over 3.5 million cancer patients, also showed that Medicaid-insured patients face similar risks, particularly for cancers with early detection methods.

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.

Camera in a pill offers cheaper, easier window on your insides

Researchers have developed a smaller endoscope that can take high-quality color pictures in confined spaces, potentially saving lives by detecting treatable conditions before they turn into cancer. The device is designed for low-cost screening and doesn't require anesthesia or sedation.

What are the essential characteristics of serum PG in Chinese?

Researchers found serum PG levels in Chinese are significantly skewed from normal distribution and influenced by factors such as age, sex, gastric mucosa lesions, and H pylori infection. The PG I/II ratio is a better indicator for atrophic lesions on gastric mucosa than either PG I or II alone.

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.

Immigrant patients less likely to report family history of cancer

A new study found that immigrant patients in the US are less likely to report a family history of cancer, which may impact access to cancer prevention and screening services. The study's findings suggest that immigrants' cultural norms and communication barriers may inhibit reporting of family health histories.

1 size may not fit all

Researchers aim to determine who is at risk for colorectal cancer and tailor screening tests accordingly. Dr. Thomas F. Imperiale advocates for more targeted approaches, such as using easily accessible factors like age and family medical history.

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.

Screeners' hands quicker than eyes

Researchers found that screeners are more accurate in visual searches when allowed to correct their choices, but errors rise for rare targets. The study suggests improving airport security and cancer screening by addressing execution errors and perception issues separately.

PSA velocity's clinical usefulness remains unclear

Researchers questioned the effectiveness of PSA velocity as a prostate cancer screening tool due to inconsistent study results and potential biases. Despite initial hopes that it could reduce unnecessary biopsies, PSA velocity is often used in men with low PSA levels, increasing the number of referrals.

Other highlights in the September 11 JNCI

A third of prostate biopsies detected cancer, with the risk increasing with each subsequent biopsy. Gene variants influencing innate immunity also linked to improved or poorer lung cancer survival in white patients. Brain tumor stem cells susceptible to a cancer-killing virus, offering new treatment hope.

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.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

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

UF scientists work to develop simple bladder cancer test

Researchers identified promising biomarkers in urine samples, including one linked to liver and ovarian cancer. The goal is to create a simple, fast, and noninvasive test for early detection, potentially avoiding painful procedures.

Colon cancer proteins show promise for blood test

Johns Hopkins scientists discovered blood-dwelling proteins CCSA-3 and CCSA-4 that accurately identify colon cancer and precancerous polyps. The researchers were 100% accurate in identifying existing cancers and correctly identified individuals with advanced precancerous polyps, suggesting a potential less invasive screening test.

Studies link insurance coverage to more advanced cancers

Two new studies find that the uninsured and people with certain types of public health insurance are more likely to be diagnosed with more advanced cancer compared to those with private insurance. The strongest predictors of advanced disease were health insurance status and type, according to the studies published in CANCER journal.

Papillomavirus vaccine could reduce rate of vulval and vaginal cancers

A quadrivalent human papillomavirus (HPV) vaccine has been shown to be highly effective in preventing high-grade vulval and vaginal lesions that can lead to cancers. The vaccine reduced the risk of all high-grade vulval and vaginal lesions by 49% in a population of sexually active young women.

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.

Mammography rates declining in the United States

A new study reveals that mammography rates have declined significantly in the US between 2000 and 2005, with a notable decrease among women aged 50-64 and higher socioeconomic levels. The decline in screening rates coincides with a reduction in reported breast cancer incidence, raising concerns about potential impact on mortality rates.

Lung cancer screening regimen provides opportunity for cure

A lung cancer screening regimen has been found to identify patients with early-stage cancer, allowing for curative treatment. The study suggests that annual repeat screenings can detect lung cancer at its earliest stage, resulting in a high proportion of patients having no evidence of metastases.

General physicals prompt needed cancer screenings

A new study published in Archives of Internal Medicine found that patients who received regular preventive health exams were more likely to get recommended cancer screenings. The study showed that colon cancer screenings and prostate-specific antigen tests increased by three times in the checkup group compared to those without a checkup.

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.

Reactions to 'false-positive' prostate cancer screenings assessed

Men who receive false-positive prostate cancer results experience heightened anxiety about their risk of developing the disease and report issues with sexual function. The study emphasizes the importance of discussing the pros and cons of screening with patients to minimize adverse effects on quality of life.

Colon cancer screening -- Going 'Back To The Future'?

A new immunochemical fecal occult blood test (I-FOBT) shows promise in increasing colon cancer screening rates by being more accurate and convenient than traditional methods. The test uses antibodies to detect human blood in stool, eliminating dietary restrictions and allowing for personalized positivity thresholds.

Fluke 87V Industrial Digital Multimeter

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

Symptom screening advances early ovarian cancer detection

A new study reveals that a specific set of symptoms and their frequency/duration can distinguish early ovarian cancer from other causes, making it a potential rapid and cost-effective screening tool. The symptom index was found to be 57% sensitive for early disease and 80% sensitive for advanced cancer.

Virtual colonoscopy effective in preventing colorectal cancer

A study published in Radiology found that virtual colonoscopy is an accurate screening method for colorectal cancer. The procedure was shown to be safer, faster, less costly, more convenient, and just as effective as optical colonoscopy in detecting polyps and cancers.

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.

New breast cancer screening tool helps general practitioners

A new screening tool called the pedigree assessment tool (PAT) effectively identifies women at risk for hereditary breast cancer, outperforming another commonly used tool in assessing individual patient risk. The PAT was 100% sensitive in identifying high-risk patients with potential BRCA mutations.

Culturally appropriate materials increase cancer screening rates

A randomized controlled trial found that low-income Chinese-speaking patients were six times more likely to be screened for colorectal cancer when a clinic-based health educator provided culturally and linguistically appropriate counseling, educational materials, and screening test instructions. The intervention increased fecal occult ...

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.

Study says lung cancer overdiagnosis a result of screening

A study published in the Journal of the National Cancer Institute found that screening for lung cancer can lead to overdiagnosis, resulting in unnecessary treatment and harm. The study suggests that mass screening may not be beneficial for public health due to the potential for overdiagnosis bias.

'Can you hear me now?'

A randomized controlled trial found that telephone support from bilingual prevention care managers significantly increased cancer screening rates among low-income and minority women. The intervention resulted in a 12% increase in mammography screenings, a 7% increase in Papanicolaou tests, and a 13% increase in colorectal screenings.

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.

Colorectal cancer develops earlier in drinkers, smokers and men

Researchers found that individuals who smoke and drink developed colon cancer an average of 7.8 years earlier than non-users, with women showing a significant gap in cancer diagnosis age compared to men. The study suggests tailoring individualized screening programs based on tobacco and alcohol consumption.

Studies report findings on colorectal cancer screening methods and survival rates

Regular screening significantly reduces cancer deaths in families with hereditary Lynch syndrome, with a 70% decrease in mortality rates. Additionally, research finds that people with IBD-related CRC have similar prognoses as the general population, while a self-propelling colonoscope shows promise in efficient and safe detection.

Screening for prostate cancer may not reduce men's risk of death

A study published in the Journal of the American Medical Association (JAMA) found that screening for prostate cancer does not necessarily prolong survival. The research, which included over 72,000 veterans, showed that even men who received screenings were not at lower risk of death from prostate cancer.

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.