Bluesky Facebook Reddit Email

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

Bulk inorganic crystals grown from water emit “handed” light

Researchers at Kumamoto University have successfully grown a bulk inorganic crystal from water that emits circularly polarized light. This breakthrough material has the potential to revolutionize security printing, advanced displays, and photonic technologies with simple inorganic chemistry.

Where the elements come from

A team of researchers at Kyoto University used X-ray spectroscopy to measure the amount of chlorine and potassium inside a supernova remnant, revealing that these elements were created in intense environments deep inside stars. The study suggests that strong mixing inside massive stars can enhance the production of these elements.

Apple iPhone 17 Pro

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

High blood pressure? Eat more bananas

Increasing dietary potassium and reducing sodium can effectively regulate blood pressure, according to a new mathematical model developed by the University of Waterloo. The study suggests that a higher ratio of potassium to sodium intake may be more effective for lowering blood pressure than simply reducing sodium intake.

Push the piston and measure

The Institute of Physical Chemistry of the Polish Academy of Sciences has developed a novel system for determining potassium levels in liquid food samples using fast and non-destructive techniques. The low-cost, ion-selective syringe electrodes offer excellent selectivity and linear range, making them suitable for point-of-care devices.

Dehydration linked to muscle cramps in IRONMAN triathletes

A Washington State University-led study found a strong link between dehydration and exercise-induced muscle cramps in IRONMAN triathletes. Severe dehydration was associated with an increased risk of muscle cramps, which were more common in athletes who finished the race faster.

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.

Plants save energy when absorbing potassium

Researchers at the University of Würzburg discovered that plants use an energy-saving mechanism to adapt their potassium uptake based on soil conditions. By building a pH gradient across cell membranes, plants can transport potassium into cells without expending energy.

Novel gene therapy offers hope for epilepsy patients

Researchers have developed a novel gene therapy approach that targets and breaks down faulty ribonucleic acids in the KCNA2 gene, which is associated with recurring seizures. The therapy has shown promise in reducing excessive neuron activity linked to epilepsy.

Unlocking the future of energy storage: the dendrite-free potassium anode

Researchers create a novel approach to constructing a KF/Zn-rich hybrid interface layer on potassium metal, resulting in an anode with enhanced electrochemical performance and prolonged stability. The study demonstrates the potential of dendrite-free potassium metal batteries for large-scale energy storage systems.

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.

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.

Sleep apnea solution could be right under your nose

Researchers at Flinders University have discovered a bedtime nasal spray that can reduce the severity of sleep apnea in people and lower their blood pressure. The study found that the spray, which blocks potassium channels, improved oxygen levels and reduced markers of OSA severity in 7 out of 10 participants.

Potassium depletion in soil threatens global crop yields

A new study found that potassium deficiency is a significant threat to global food security, affecting 20% of agricultural soils worldwide. The researchers recommend six policies and practices to mitigate the issue, including better management of soil potassium and intergovernmental coordination.

Celestron NexStar 8SE Computerized Telescope

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

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.

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.

Taking a big step in structural biology

Luis Cuello, a professor at TTUHSC, has developed a method to express human potassium channels in bacteria, allowing for large-scale biophysical studies. This technology will be used to target several channels relevant to diseases such as epilepsy, arrhythmia, and diabetes.

CO2 recycling: What is the role of the electrolyte?

Researchers have developed an electrolyte to improve the efficiency of CO2 conversion into useful hydrocarbons. The study found that controlling the concentration of the electrolyte is crucial in regulating product formation, with too much potassium leading to clogage and reduced selectivity.

New mathematical model shows how the body regulates potassium

A new mathematical model simulates how the body regulates potassium levels, shedding light on the relationship between kidneys and muscles. The study suggests that muscle-kidney cross-talk signal hypothesis is essential in maintaining healthy potassium homeostasis.

Solar System formed from “poorly mixed cake batter,” isotope research shows

Researchers have discovered that primitive meteorites contain a different mix of potassium isotopes than those found in other, more-chemically processed meteorites. This suggests that the Solar System was formed from a 'poorly mixed cake batter' of materials, with some planets receiving a unique blend of elements from distant sources.

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.

Electrolytes as diagnostic tool for early detection of eating disorders

Researchers at the University of Ottawa have discovered that patients with electrolyte abnormalities are twice as likely to be diagnosed with an eating disorder. This study analyzed Ontario health data between 2008 and 2020, identifying a potential preventative treatment for approximately 1 million Canadians.

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.

The thinking undead: How dormant bacteria calculate their return to life

Researchers discovered that dormant bacterial spores can evaluate their environment without waking up, using stored electrochemical energy to determine favorable conditions. They found that spores release their energy to perform a computation about their surroundings, similar to how neurons operate in the brain.

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.

Experiments reveal new details of the architecture of ion channels

Researchers have solved the crystal structure of the cytoplasmic-facing portion of voltage-dependent potassium channels, controlling potassium flow out of cells. The findings shed light on the attachment mechanism of a key protein subunit to the channel's complex structure.

Explaining how ozone "chokes up" plants

Researchers identified how ozone 'chokes up' plants by directly affecting guard cells, inhibiting stomatal opening and reducing photosynthesis. This knowledge may lead to breeding or genetically engineering less ozone-sensitive plant varieties to improve productivity in regions with high ozone exposure.

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.

Mathematics reveals inner workings of potassium pipeline

Researchers used mathematical analysis to determine how potassium ions move through cell membranes. They found that a pool of approximately 50 water molecules and four protein spirals create an environment similar to the inside or outside of the cell, allowing for quick potassium flow.

Cardiac surgery patients at higher risk

A new study found that cardiac surgery patients with serum potassium levels below 3.5 mmol/L are twice as likely to experience arrhythmias and a doubled need for cardiopulmonary resuscitation. Investigators recommend screening and replenishing potassium on a case-by-case basis.

News About Osteoporosis: Fruits And Vegetables Prevent Bone Decay

A new study published in the American Journal of Clinical Nutrition suggests that lifelong dietary intakes of potassium, magnesium and fruit and vegetables are determinants of bone mineral density in elderly men and women. Eating fruits and vegetables can help prevent osteoporosis by neutralizing acidity and maintaining bone health.

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.

Scientists Find New Trigger For Nerve Cell Death

Researchers found that potassium ions play a critical role in triggering programmed cell death or apoptosis in nerve cells. By blocking potassium channels, they may be able to prevent nerve cell death and reduce brain damage in patients with stroke, spinal cord injuries, or neurodegenerative disorders.

Potassium Helps Lower Blood Pressure

A recent study found that potassium supplements decreased blood pressure by significant amounts, particularly in those with hypertension or high salt intake. The researchers combined data from over 30 studies and enrolled more than 2500 persons, concluding that potassium can reduce blood pressure.

Using Starter Fertilizer On No-Till Corn Increases Yield, Study Shows

A recent University of Illinois study found that using starter fertilizer on no-till corn fields can increase yields by up to 14 bushels per acre. This technique provides early nutrient availability, which is particularly beneficial for no-till farming due to cool and wet soils during the initial growing season.

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.