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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

Tarantula toxin is used to report on electrical activity in live cells

Researchers have developed a novel probe that reports on the electrical activity of cells using tarantula toxin, allowing for the observation of voltage-activated ion channels in live cells. This breakthrough has the potential to help scientists understand the function of specific ion channels and identify drug targets for neurological...

Researchers reach 'paradigm shift' in understanding potassium channels

Researchers have observed a previously predicted pathway for ion permeation in potassium channels does not occur, revealing a fundamental physical principle that facilitates the channels' operation. The discovery uses advances in technology to show that pairs of potassium ions are stably formed and then passed through the channel.

Multiple neurodevelopmental disorders have a common molecular cause

A study reveals that distinct genetic mutations in neurodevelopmental disorders produce similar molecular effects, suggesting a one-size-fits-all therapeutic approach may be effective for conditions like seizures and ADHD. The research identifies shared molecular pathways involved in these diseases, providing new insights into their ca...

Apple iPhone 17 Pro

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

Scientists aim to give botox a safer facelift

Researchers have made breakthroughs in understanding the interactions between botulinum neurotoxins and cells, paving the way for safer forms of Botox. By designing inhibitors or specific antibodies, scientists hope to prevent toxic interactions and engineer safer toxins for medical and cosmetic use.

NIH taps lab to develop sophisticated electrode array system to monitor brain act

The NIH is developing an advanced electrode array system that will enable researchers to better understand how the brain works through unprecedented resolution and scale. The system, which will pack over 1,000 tiny electrodes, will allow scientists to simultaneously study thousands of neuronal cells in various brain regions during comp...

Salk scientists receive $3 million for BRAIN Initiative grant

Researchers at Salk Institute will create an epigenetic map of each cell type in the brain, allowing for deeper understanding of neurons' identity and functional differences. The study aims to reveal possible windows into brain development and disease.

Meta Quest 3 512GB

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

Cells from placentas safe for patients with multiple sclerosis

Researchers found that patients with Multiple Sclerosis (MS) can safely tolerate treatment with cells cultured from human placental tissue. Early signals also suggest the potential for repairing damaged nerve tissues, offering a new frontier in treatment for the disease.

Using the brain to forecast decisions

Researchers used neural recordings to predict when a rat would give up waiting for a delayed tone. The findings suggest that individual brain cells cast votes for actions, but the outcome is not predetermined.

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.

Neurons see what we tell them to see

A study published in Neuron found that neurons in the medial temporal lobe respond more strongly to blended faces when a subject recognizes the face as belonging to one person. The results suggest that conscious recognition plays a crucial role in whether neurons fire, rather than the raw visual stimulus.

Dying brain cells cue new brain cells to grow in songbird

A study on Gambel's white-crowned sparrows reveals how dying brain cells trigger the growth of new neurons each spring. The researchers hope to apply this knowledge to develop treatments for neurodegenerative diseases like Alzheimer's and depression.

Broken signals lead to neurodegeneration

A study published in PNAS reveals that a protein cross-linking enzyme interacts with a cell receptor to lock it in a closed state, reducing neuron signaling in neurodegenerative diseases like Huntington's and Alzheimer's. The mechanism may provide insight into the development of new drug therapies for these conditions.

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.

In directing stem cells, study shows context matters

Researchers at University of Wisconsin-Madison found that the stiffness of surfaces on which stem cells are grown influences cell fate. A soft, brain tissue-like surface directed cells to become neurons, while stiffer surfaces favored the stem cell state.

Reacting to personal setbacks: Do you bounce back or give up?

A new study from Rutgers University-Newark reveals that the ability to persist in the face of personal setbacks may depend on how the news is delivered. The study found that when individuals perceive a loss of control, activity in the ventromedial prefrontal cortex is necessary to promote persistence.

Archerfish target shoot with 'skillfully thrown' water

Researchers reveal that archerfish actively control the dynamics of their water jets to hit targets at varying distances, employing a unique tool-using behavior. This adaptability has potential applications in human-built nozzles and industries.

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.

Why HIV patients develop dementia

Researchers from Ruhr-University Bochum found that HIV-infected cells activate specific immune cells in the brain, leading to chronic inflammation and neuronal cell death. This discovery may help develop biomarkers and therapeutic strategies for HIV-associated neurocognitive disorders.

Transplanted stem cells help prevent bladder fibrosis after spinal cord injury

Researchers found that transplanting B10 human bone marrow-derived mesenchymal stem cells into the bladder wall of mice with spinal cord injury improved bladder function by promoting the growth of smooth muscle cells. This study provides potential evidence for MSC-based cell transplantation as a novel therapeutic strategy for bladder d...

Neurons in human skin perform advanced calculations

Researchers found that neurons in human skin can process geometric data about touched objects, performing calculations similar to those done by brain neurons. This allows the skin to send more detailed information to the brain before further processing.

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.

Flexing the brain: Why learning tasks can be difficult

Scientists found that brain activity patterns are shaped by neural connectivity and have limitations on how adaptable they are during learning. The study used a brain-computer interface to train animals and showed that subjects learned easier-to-learn patterns more readily, while harder-to-learn patterns were entirely new.

Researching fundamental rhythms of life

Casey Diekman is leading a research effort to understand the biological clock's role in regulating daily behavior patterns. Preliminary results suggest that circadian rhythms are deeply encoded in neuronal electrical programming, influencing hormone production and other physiological indicators.

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.

'Haven't my neurons seen this before?'

A new study reveals that neurons in the brain's inferotemporal cortex fire strongly and selectively when exposed to familiar images, especially those seen many times before. This finding suggests that the brain uses this mechanism to track a rapidly changing visual environment and may lead to improvements in perception and cognition.

Neuroscience and big data: How to find simplicity in the brain

A new review paper explores the use of dimensionality reduction in neuroscience to uncover the complexity of brain function. By analyzing the activity of hundreds of neurons concurrently, researchers can gain a deeper understanding of how the brain distinguishes between different odors, makes decisions under uncertainty, and thinks abo...

Green tea polyphenols protect spinal cord neurons against oxidative stress

Researchers found that green tea polyphenols effectively protect spinal cord neurons against hydrogen peroxide-induced oxidative stress. The study published in Neural Regeneration Research revealed that green tea polyphenols inhibit neuronal apoptosis, indicating a protective role in spinal cord neurons under oxidative stress.

Biologists reprogram skin cells to mimic rare disease

Researchers have developed a new method to create patient-specific neural crest cells from skin cells, which can help study and potentially treat rare disorders. The technique accelerates the creation of these cells, allowing for more accurate predictions of disease progression and treatment efficacy.

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.

Mouse model for epilepsy, Alzheimer's gives window into the working brain

Scientists have developed a genetically engineered mouse line that allows them to study calcium levels in living brain cells, enabling new research on epilepsy, Alzheimer's, and other neurological diseases. This breakthrough opens up possibilities for new treatments and a deeper understanding of the immune system's role in brain function.

Research helps explain why elderly have trouble sleeping

A study found that elderly individuals with Alzheimer's disease have fewer inhibitory neurons, leading to fragmented sleep. The researchers discovered a correlation between the number of remaining ventrolateral preoptic neurons and sleep fragmentation, highlighting a potential link between aging and sleep disorders.

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.

Up-regulation of neuronal alpha-1 adrenoceptors after peripheral nerve injury

Research finds that peripheral nerve injury increases the expression of α1-adrenoceptors on pain-signalling nerve fibers. This up-regulation may intensify pain by boosting neural excitability. Blocking alpha-1 adrenoceptors could be a useful therapeutic strategy for patients with chronic pain after peripheral nerve injury.

Blood cells are a new and unexpected source of neurons in crayfish

Researchers have found that blood cells in crayfish can differentiate into neurons, challenging our understanding of neural development and regeneration. This discovery has significant implications for the treatment of neurological diseases such as clinical depression and neurodegenerative disorders.

Single-cell analysis holds promise for stem cell and cancer research

Researchers at UCSF have developed a method for analyzing hundreds of cells individually using microfluidic technology, which reveals novel molecular features in diverse cell types. This approach holds promise for understanding how the human cortex arises from cells spun off from stem cells.

Adult myelination -- Wrapping up neuronal plasticity

Researchers have found that adult myelination is crucial for regulating neural networks and supporting functions such as learning and memory. The study, published in Neural Regeneration Research, highlights the importance of myelin plasticity in coordinating with neurogenesis and synaptic plasticity.

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.

Making sense of scents

Researchers at Harvard University have found that mice can distinguish between specific odors even when surrounded by multiple background smells. The team used fluorescent proteins to create images of how different scents activated neurons in the brain, revealing a neural explanation for how animals separate relevant from irrelevant se...

Clues to curbing obesity found in neuronal 'sweet spot'

A new study by Yale researchers found that blocking the effects of PPARgamma in brain cells can prevent weight gain and resistance to high-fat diets. This discovery has key implications for treating type 2 diabetes, where weight gain is a common side effect of medication.

Fluke 87V Industrial Digital Multimeter

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

UT Dallas study reveals effect of loud noises on brain

A study published in Ear and Hearing reveals that prolonged exposure to loud noise can lead to permanent damage of the hair cells in the ear. This damage affects the brain's recognition of speech sounds, potentially increasing difficulty in distinguishing them. The researchers used rats to simulate two types of noise trauma and found t...

Sugar mimics guide stem cells toward neural fate

A team of scientists at the University of California, San Diego, has developed synthetic glycopolymers that mimic natural sugars on cell surfaces. These molecules successfully guided embryonic stem cells into neural rosettes, precursors to mature neural cells.

Glucose 'control switch' in the brain key to both types of diabetes

A study by Yale researchers has identified a crucial role for prolyl endopeptidase enzyme in regulating glucose sensing in the brain. The findings suggest that this enzyme plays a key role in controlling blood sugar levels, and could eventually lead to new treatments for diabetes.

Celestron NexStar 8SE Computerized Telescope

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

More than glitter

Researchers have identified a mechanism by which tiny gold particles can fuse with cell membranes without damaging cells. This discovery suggests possible strategies for designing nanoparticles that could get into cells more easily.

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.

Acupuncture at the Taixi activates cerebral neurons in old patients with MCI

Researchers found that acupuncture at the Taixi (KI3) acupoint activates cerebral neurons in 20 brain regions, including the anterior cingulate gyrus and medial frontal cortex, in elderly patients with mild cognitive impairment. This study suggests a potential therapeutic approach for improving cognitive function in older adults.

'Support' cells in brain play important role in Down syndrome

Scientists identify astroglial cells as crucial players in Down syndrome's abnormal neuron development and find that an inexpensive antibiotic can correct many abnormalities. They also show that minocycline, a commonly used tetracycline antibiotic, promotes healthy interactions between astroglia and neurons.

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.

Intranasal nerve growth factor repairs injured spinal cord neurons

Researchers found that intranasal administration of nerve growth factor increases its content and receptor in spinal cord neurons, improving locomotor behaviors after spinal cord injury. This study provides evidence for the use of intranasal nerve growth factor as a treatment for spinal cord repair.