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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

Tension-free vaginal tape found effective for treating urinary incontinence

A long-term study published in BJU International found that tension-free vaginal tape (TVT) is a highly effective option for treating urinary incontinence. TVT surgery involves placing a mesh tape under the urethra to prevent accidental urine release, with high cure rates reported at 17 years after surgery.

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.

Scientists create functioning kidney tissue

Scientists at the University of Manchester successfully produced human kidney tissue within a living organism that is able to produce urine. The new structures contain most of the constituent parts present in human nephrons, including proximal tubules and Bowman's capsule, and have been linked to the vasculature of mice.

'Hide or get eaten,' urine chemicals tell mud crabs

Researchers at Georgia Institute of Technology have identified two urinary chemicals, trigonelline and homarine, that trigger a warning response in mud crabs when exposed to blue crab urine. This finding has implications for understanding ecological balances in marine ecosystems and informing better management of fisheries.

Waterborne cues and predator detection

Scientists discovered that specific metabolites in blue crab urine suppress mud crab foraging by 60% and 67%, respectively. This finding has significant implications for understanding chemically mediated interactions in marine ecosystems.

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.

Development of a nanowire device to detect cancer with a urine test

Researchers at Nagoya University have developed a novel medical device that can efficiently capture extracellular vesicles in urine, potentially leading to early diagnosis of cancer. The device surpasses existing methods and shows promise for non-invasive testing, including a simple urine test.

How the kidneys produce concentrated urine

Researchers at Max Delbrück Center find GRHL2 protein crucial for concentrating urine and maintaining salt levels in the kidneys. Genetically modified mice lacking GRHL2 produce more diluted urine, highlighting its importance for regulating body fluids.

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.

Pregnant women should be tested more than once for the presence of Zika

A new Brazilian study found that pregnant women with confirmed Zika diagnosis should be tested multiple times due to the intermittent presence of the virus in their urine. The study detected Zika virus in some women's urine for up to seven months after previous tests indicated a non-existent viral load.

Speedy urine test for amphetamines sends results via app

Researchers have developed a wireless sensor and smartphone app that can detect amphetamines in human urine in seconds, with unprecedented sensitivity and low risk of false-positive results. The prototype device is portable enough to be worn as a bracelet and costs around $50 to produce.

Improving detection of a 'date rape' drug

Researchers identified a potential biomarker, glycolate, that could stay in urine up to 20 hours after GHB ingestion. This finding could lead to tests with greater detection windows and less sample manipulation required.

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.

Enhanced test for urinary tract infections detects more bacteria than standard test

A new enhanced test, EQUC, detects significantly more bacteria in urine samples than the standard culture, leading to improved diagnosis and treatment of urinary tract infections. The study enrolled 150 urogynecologic patients and found that EQUC identified 110 species of bacteria, while the standard culture only identified 50 percent ...

Apple iPhone 17 Pro

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

Viral ARIs in infants may lead to recurrent childhood wheezing

Researchers found that viral acute respiratory infections (ARIs) in infants may lead to oxidative stress and recurrent wheezing in early childhood. Oxidative stress is an imbalance between free radicals and antioxidants in the body, and measuring it in urine samples during a viral ARI may predict the development of recurrent wheeze.

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.

Mission Control for the body's salt and water supplies

Researchers found that consuming more salt led to reduced water intake and conserved body water by triggering a mechanism in the kidneys. The study suggests that urea plays a crucial role in maintaining proper water balance and challenges previous assumptions about its function.

'Sniffing' urine to detect prostate cancer could prevent unnecessary biopsies

Researchers have identified a set of molecules in urine that are present in 90% of prostate cancer patients but not in healthy individuals. This discovery could lead to the development of a non-invasive test for early detection of prostate cancer, potentially reducing unnecessary biopsies and improving patient outcomes.

Case Western Reserve University researchers turn urine into research tools

Case Western Reserve University researchers have developed a breakthrough technique to create durable stem cells directly from urine, providing an ethically sound and clinically relevant model for studying Down syndrome. The new method represents a significant improvement in induced pluripotent stem cell technology.

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.

Marathon running may cause short-term kidney injury

A recent Yale-led study found that marathon running can cause short-term kidney injury in runners, with 82% of participants showing signs of Stage 1 Acute Kidney Injury after the event. The researchers attribute this to sustained rises in core body temperature, dehydration, and decreased blood flow to the kidneys.

Scientists discover urinary biomarker that may help track ALS

Researchers have identified a protein in urine samples as a potential biomarker for ALS, allowing for monitoring disease progression and assessing therapy effectiveness. Studies found patients with higher levels of the protein survived longer, suggesting it could be used to predict disease outcome.

Celestron NexStar 8SE Computerized Telescope

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

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.

Study identifies why some people can smell asparagus in urine

A study found that 40% of participants could smell the distinct odor in their urine after eating asparagus, while 60% were unable to detect it. The researchers identified 871 genetic variants linked to asparagus anosmia and suggest future research on sense of smell receptors.

Researchers reveal new test for cocaine in urine and oral fluid

Researchers at the University of Surrey have created a new diagnostic test for cocaine in urine and oral fluid, enabling sensitive and accurate detection. The compact mass spectrometer-based test offers quantitative data on cocaine levels, potentially revolutionizing scenarios requiring rapid drug testing.

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.

Nuclear CSI: Noninvasive procedure could identify criminal nuclear activity

Scientists at the University of Missouri have developed a noninvasive procedure to identify individuals exposed to uranium within one year using hair and nail samples. The technique can also distinguish between natural and manmade sources of uranium, offering a significant advantage in detecting nuclear smuggling threats.

Weethinking the role of bacteria in incontinence

A new study from Oregon Health and Science University suggests that the type of bacteria present in the urinary tract may play a role in general health conditions like Urgency Urinary Incontinence (UUI). Women with UUI tend to have fewer diverse bacterial communities, while those with lower diversity experience more severe symptoms.

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.

Increasing stocking rate may not lead to greater nitrogen leaching on dairy farms

A new study in New Zealand found that higher stocking rates per grazing area led to less nitrogen leached to groundwater, contradicting the notion that more cows result in increased leaching. The experiment showed a decline in NO3-N leached per hectare with increasing stocking rate and decreasing nitrogen intake and output per cow.

Urinary markers may indicate kidney injury in preterm infants

A new study found that preterm infants with acute kidney injury (AKI) have higher levels of certain proteins in their urine compared to healthy infants. This could lead to better diagnostics and treatment for AKI in newborns, which is a common complication in premature infants and can predict poor clinical outcomes.

Acute kidney injury identifiable in preterm infants

A study published in Clinical Journal of the American Society of Nephrology found that preterm infants with acute kidney injury have distinct protein profiles in their urine compared to those with healthy kidneys. This discovery could help physicians diagnose kidney health in newborns and improve treatment outcomes.

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.

Research will help GPs diagnose urinary tract infections in children

Researchers have developed a technique to help GPs and nurses identify young children most likely to have a UTI, enabling non-invasive urine sampling. The symptoms-and-signs-based clinical rule is superior to routine clinician diagnosis, reducing the need for unnecessary tests and increasing accurate diagnoses.

Female bonobos send mixed messages to males

A study of wild female bonobos found that their sexual swellings are unreliable signals of fertility, allowing females to manipulate mate choice. The findings suggest that male bonobos may not be able to successfully compete over females due to the variability in swelling patterns.

Urine tests not reliable for dehydration in older adults

A new study published in the American Journal of Clinical Nutrition found that urine tests are not reliable for detecting dehydration in older adults. The researchers tested 383 participants over 65 and found that urine tests were too low to be useful, missing some dehydrated individuals and incorrectly identifying others.

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.

Finding Zika one paper disc at a time

Researchers at the Wyss Institute for Biologically Inspired Engineering have developed a novel, inexpensive method for detecting the Zika virus that could help slow its spread. The system uses a simple modular workflow comprising three steps: amplification, detection, and strain identification.

Searching for signs of disease in spit

Researchers have discovered unique molecular signatures, known as saliva fingerprints, which may be used to detect diseases in a non-invasive and stress-free manner. These signatures are distinct from those found in urine samples and remain relatively stable despite dietary variations.

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.

Why bearcats smell like buttered popcorn

A new study finds that binturongs release a popcorn-like aroma from their urine, containing the compound 2-acetyl-1-pyrroline, to mark territories and attract mates. Researchers analyzed urine samples from 33 binturongs and identified 29 chemical compounds, with 2-AP being present in every sample.

Meta Quest 3 512GB

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

New effects of ketamine abuse uncovered

Research by University of York scientists shows how ketamine causes inflammation and cell death in the bladder, leading to cystitis. The studies found that direct contact with urinary ketamine is critical to the toxicity, ruling out systemic factors.

10-minute urine test can measure specific compounds from food consumed

Researchers at Georgetown Lombardi Comprehensive Cancer Center have developed a method to quickly evaluate specific food compounds in human urine. The new tool looks for isothiocyanates found in cruciferous vegetables and could help scientists identify the most beneficial anticancer foods.

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.

New milestone for device that can 'smell' prostate cancer

A new device can detect prostate cancer in urine samples using a gas chromatography sensor system, allowing for earlier diagnosis and potentially reducing the need for invasive procedures. The technology has shown promising results in a pilot study involving 155 men.