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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

This is your brain without sleep

Researchers found that sleep-deprived individuals experience attentional failures coinciding with a flushing of CSF from the brain. During these lapses, physiological changes occur, including a flux of CSF out and then back in. The study suggests that the brain attempts to compensate for lost cleansing by initiating pulses of CSF flow.

Deep sleep supports memory via brain fluid and neural rhythms

Researchers have discovered that deep sleep plays a crucial role in controlling cerebrospinal fluid dynamics, which is essential for clearing waste from the brain. During slow-wave sleep, changes in cerebrospinal fluid signals are time-locked to slow brain waves and other neural events.

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.

New non-invasive method discovered to enhance brain waste clearance

Researchers have discovered a new method to enhance brain waste clearance by precisely stimulating the lymphatics under skin on the neck and face. This non-invasive approach may offer a safer alternative to current treatments for age-related neurological disorders, such as Alzheimer's disease.

USC researchers develop low-cost blood test for early Alzheimer’s detection

Researchers from USC Keck School of Medicine have developed a low-cost blood test that detects five biomarkers of Alzheimer's disease, including amyloid and tau proteins. The test uses xMAP technology and has the potential to catch the disease in its earliest stages, when treatment might be able to prevent or delay cognitive decline.

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.

New test diagnoses bacterial meningitis faster and better

Researchers at Amsterdam UMC have developed a new diagnostic test that measures CRP protein in cerebrospinal fluid to quickly diagnose bacterial meningitis. The test has been shown to be very reliable and can start treatment within half an hour of diagnosis.

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 test helps doctors predict a dangerous side effect of cancer treatment

Researchers at Kyushu University have discovered a way to predict a potentially life-threatening side effect of cancer immunotherapy before it occurs. By analyzing cerebrospinal fluid, they identified specific proteins associated with an immune response that can affect the central nervous system after therapy.

Apple iPhone 17 Pro

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

Biomarker test can detect Alzheimer's pathology earlier, Pitt study shows

Researchers developed a biomarker test that can detect small amounts of tau protein and its misfolded forms in cerebrospinal fluid, correlating with cognitive decline severity. The test identifies early stages of tau tangle formation up to a decade before brain scans, opening doors for early-stage disease diagnosis and intervention.

Route of entry for Semliki Forest virus into the brain revealed

Researchers at Uppsala University found that Semliki Forest virus penetrates the central nervous system by entering the cerebrospinal fluid and binding to VLDLR before penetrating deeper into the brain. This finding could be used to develop the virus as an agent for treating brain cancer.

Common sleep aid may leave behind a dirty brain

A study published in Cell describes the synchronized oscillations that occur during non-REM sleep, including norepinephrine, cerebral blood volume, and CSF flow. The research highlights the critical role of these oscillations in powering the glymphatic system, which removes protein waste associated with neurodegenerative diseases.

NIH grant funds study of cerebral small vessel disease

The study aims to identify early warning signs and potential treatment for cerebral small vessel disease, a condition linked to vascular dementia. Researchers will analyze cerebrospinal fluid and brain tissues using cutting-edge technologies to map mRNA within cells affected by the disease.

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.

Finger prick on track to become Alzheimer’s test

A new finger prick test for Alzheimer's disease has shown strong performance in a European study, measuring biomarkers in blood from superficial vessels. The test could soon be implemented globally, increasing accessibility to Alzheimer's testing without the need for high-sensitivity analyses.

One genomic test can diagnose nearly any infection

A groundbreaking metagenomic sequencing test has proven effective in rapidly diagnosing almost any kind of pathogen, including viruses, bacteria, fungus or parasite. The test analyzes all nucleic acids present in a sample, replacing multiple tests with a single one and speeding up diagnosis.

Brain’s waste-clearance pathways revealed for the first time

A new study has definitively revealed the presence of an efficient waste-clearance system within the human brain, showing that cerebrospinal fluid flows through specific pathways to clear metabolic wastes generated by brain energy. Lifestyle measures and medications can maintain and enhance this system.

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.

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.

Rapid test of cerebrospinal fluid decreases time to diagnosis for brain tumors

Researchers developed a rapid genotyping test for patients with central nervous system lesions, detecting key mutations associated with brain cancers in samples taken during a lumbar puncture. The test eliminated the need for surgical brain biopsies in seven cases and significantly accelerated time to treatment, from an average of 12 d...

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.

A better way to deliver fetal therapy for serious genetic disorders

UCSF scientists discover delivering therapeutic molecules to amniotic fluid can effectively treat Angelman syndrome and other neurological conditions. The treatment uses antisense oligonucleotides, which can alter gene expression, and has shown improved motor function and learning outcomes in mice.

Fluke 87V Industrial Digital Multimeter

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

Anti-anxiety drug may improve brain cancer survival chances

A new study published in Science Advances suggests that a decades-old anti-anxiety drug can improve the effectiveness of chemo-radiotherapy towards glioblastoma, the most common and lethal brain cancer. The researchers found that the drug trifluoperazine can re-sensitize tumor cells to both therapies, leading to improved patient survival.

Post-COVID condition is not linked to ongoing infection or active brain damage

A recent study by the University of Gothenburg found no correlation between post-COVID condition and ongoing viral infection or active brain damage. The study analyzed 25 participants with confirmed post-COVID condition, six without residual symptoms, and 17 control subjects, revealing undetectable SARS-CoV-2 antigens in all samples.

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.

Researchers create a new window on leading genetic cause of Alzheimer’s

Scientists have detected over 300 proteins associated with lipoproteins in the central nervous system, far more than previously thought. The most common protein, apolipoprotein E (APOE), plays a key role in delivering nutrient-rich lipids and protein tools to perform tasks such as wound healing and neuron creation.

Tau-based biomarker tracks Alzheimer’s progression

A new biomarker, MTBR-tau243, tracks Alzheimer's disease progression by measuring levels of a specific form of tau in cerebrospinal fluid. The finding has major implications for diagnosing and staging the disease, and could accelerate the development of effective treatments.

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.

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.

Fluid flow in the brain can be manipulated by sensory stimulation

A new study by Boston University researchers reveals that visual stimulation can induce large-scale changes in cerebrospinal fluid flow during wakefulness. The findings have implications for treating conditions like Alzheimer's disease, which are associated with declines in fluid flow.

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.

Fats help tag medical implants as friend or foe

Researchers discovered that lipid deposition on medical implant surfaces can signal to the immune system whether to attack or ignore the implant. This knowledge could help develop biomaterials that deflect host immune aggression, reducing malfunction rates for devices like pacemakers and surgical mesh.

Sensory cells taste cerebrospinal fluid to fight brain infections

Researchers discovered that sensory cells in the spinal cord's central canal can detect bacteria in cerebrospinal fluid and trigger an inflammatory response to fight brain infections. These 'taste' receptors recognize bitter substances, such as those from Streptococcus pneumoniae, and increase cytokine production to combat pathogens.

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 research detects potential hidden cause of dementia

Researchers found that patients diagnosed with behavioral-variant frontotemporal dementia may have a cerebrospinal fluid leak, which can be treated. The study discovered CSF-venous fistulas in nine patients, who had their symptoms reversed after surgical closure.