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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

Turning waste heat into hydrogen fuel

Using waste heat helps reduce the cost of producing hydrogen, a key step towards cleaner energy. Researchers developed an approach that uses low-grade waste heat to produce hydrogen, with potential for lower production costs and increased efficiency.

Winners of the 2019 AAAS Kavli Science Journalism Awards

The 2019 AAAS Kavli Science Journalism Awards honored reporters from around the world for their coverage of topics such as killer whales, air quality, and nuclear research facilities. Reporters from The Seattle Times won multiple awards for their in-depth series on Puget Sound's dying orcas.

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.

Four decades of data sounds early warning on Lake George

A 40-year study of Lake George's deep waters reveals significant increases in salt and nutrients, but at concentrations still too low to cause harm. The findings serve as an early warning for potential impacts on streams, wetlands, and shallow waters, suggesting a shift in research focus.

Salt helps proteins move on down the road

Rice University scientists have developed a strategy to make polymer membrane-based separation of proteins more efficient using salt. The researchers identified competing forces at the nylon surface that could be tuned by salt concentration, allowing for improved separation efficiencies.

New strategy for treating high blood pressure

Researchers discovered a structural change in brain cells controlling salt-resistance, which can be mimicked to combat high blood pressure. This finding has implications for the development of targeted therapies for salt-resistant individuals.

Apple iPhone 17 Pro

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

UK food chains with voluntary menu labeling serve less fat and salt

A study of popular UK restaurant chains found that establishments with voluntary menu labeling served items with 45% less fat and 60% less salt than those without. This suggests that mandatory labeling could encourage restaurants to improve the nutritional quality of their menus.

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.

Eating cheese may offset blood vessel damage from salt

A recent study published in the Journal of Nutrition found that consuming four servings of cheese per day alongside a high sodium diet may protect blood vessels from damage. The researchers discovered that antioxidants in cheese may play a role in preserving vascular health, providing an alternative strategy to reduce cardiovascular risk.

MIT engineers develop 'blackest black' material to date

Researchers at MIT developed a material that is 10 times blacker than anything reported previously, using vertically aligned carbon nanotubes. The new coating absorbs greater than 99.995% of incoming light from any angle, making it the blackest material on record.

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.

How to make a book last for millennia

Researchers at MIT and elsewhere discovered a unique ancient technology for making parchment, which used a mixture of salts found in evaporites. This process helped preserve the Temple Scroll's bright white surface and contributed to its state of preservation.

Building water-efficient cities

A study led by the University of Arizona found that city design factors such as housing density, lot size, and vegetated land cover significantly impact residential water use. Researchers estimated models for annual and summer water use in four cities, including Austin, Phoenix, Portland, and Salt Lake City.

Illinois engineer continues to make waves in water desalination

University of Illinois researcher Kyle Smith has made significant progress in water desalination with a new publication and research project. His work involves deionization devices that can reversibly store and release cations using intercalation materials, resulting in a nearly 10-fold increase in salt removal rates.

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.

Marathoners, take your marks...and fluid and salt!

A new study suggests that marathon runners are at risk of acute kidney injury (AKI) due to fluid and salt losses, rather than core body temperature. Researchers found that managing fluid volume and salt losses with a personalized regimen during training may help reduce the incidence of AKI.

New biosensor provides insight into the stress behaviour of plants

Researchers developed a method to track the activity of phosphatidic acid spatially and temporally using a fluorescence resonance energy transfer-based biosensor. The study found that phosphatidic acid plays a key role in plant stress tolerance, particularly under salt stress conditions.

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.

Outbursts of hot wind detected close to black hole

An international team detected a very hot, dense outflowing wind close to a black hole at least 25,000 light-years from Earth. The gas was emitted in bursts that repeated every 8 minutes, revealing unprecedented behavior around a black hole.

New treatment option shown for heart failure fluid overload

Researchers at UT Health San Antonio found that higher doses of spironolactone can prevent dialysis in selected heart failure patients who are not responding to conventional diuretics. The study showed significant improvement in urine output and breathing, suggesting potential for avoiding dialysis

Study highlights the benefits of a US salt reduction strategy to US food industry

A new study highlights the benefits of a US salt reduction strategy for the food industry, finding that meeting FDA targets could produce significant health gains and cost savings. The researchers modelled the impact on food companies and workers, finding that the value of CVD-related health gains and cost savings exceed government costs.

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.

Water solutions without a grain of salt

A solar steam generation system has been developed to produce clean water from salty ocean water with almost 100 per cent salt removal, providing a solution to water shortages in regional areas. The technology uses photothermal materials and the power of the sun, achieving efficient and continuous clean water production.

Cosmic pearls: Fossil clams in Florida contain evidence of ancient meteorite

Researchers discovered fossil clams in Sarasota County that contained dozens of tiny glass beads, likely originating from an ancient meteorite impact. The beads were found to be microtektites, particles formed by the explosive impact of extraterrestrial debris cooling and recrystallizing before falling back to Earth.

Solving the salt problem for seismic imaging

Researchers at KAUST have developed a computational method to model large accumulations of subsurface salt, a challenging material to derive accurately from seismic imaging data. This technique allows for the efficient extraction of oil and gas by pinpointing fossil fuel reservoirs with greater accuracy.

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.

Salt regulation among saltmarsh sparrows evolved in 4 unique ways

Four sparrow species adapt differently to control water and salt balance, with Savannah Sparrows using channel-forming genes, Swamp Sparrows evolving gene changes, Song Sparrows reinforcing cell walls, and Nelson's Sparrows curbing thirst. The adaptations are rapid and accompanied by shared traits like larger bills and darker plumage.

Salt intake in China among highest in the world for the past 4 decades

Salt intake in China has been consistently high over the past four decades, with adults consuming on average above 10g of salt a day. Potassium intake is also low, contradicting efforts to reduce salt consumption. Urgent action is needed to speed up salt reduction and increase potassium intake.

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.

Nutritional supplements and diets not always protective, WVU research suggests

A WVU study found that only folic acid and omega-3 supplements showed promise in reducing cardiovascular risk. Eating less salt was also beneficial for overall survival and cardiovascular mortality rates. However, the quality of evidence supporting other supplements and diets was considered low due to methodological issues.

New study solves mystery of salt buildup on bottom of Dead Sea

A new study explains why salt crystals are piling up on the Dead Sea's floor by proposing a 'salt fingering' process where tiny disturbances create channels for salt to flow down. This finding helps understand the formation of massive salt deposits found in Earth's crust, including those beneath the Mediterranean Sea.

Higher salt intake can cause gastrointestinal bloating

A study published in the American Journal of Gastroenterology found that high sodium intake increases bloating among individuals, particularly those on high-fiber diets. Reducing sodium intake may be an effective way to reduce bloating and maintain a healthy, high-fiber diet.

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.

Table salt compound spotted on Europa

Researchers spot sodium chloride on the icy moon Europa, potentially indicating a hydrothermally active ocean floor and making it a geologically interesting planetary body. The discovery was made using visible light spectral analysis, which revealed distinct absorption patterns in the visible spectrum.

Salty diet reduces tumor growth by tackling immune cells

A high salt diet has been shown to inhibit tumor growth in mice by altering the function of certain immune cells called myeloid-derived suppressor cells. This effect could be beneficial for improving anti-cancer immunotherapies, but further research is needed to fully understand its therapeutic potential.

A rose inspires smart way to collect and purify water

A new device for collecting and purifying water, developed at the University of Texas at Austin, uses a rose-inspired design to improve upon current methods. The device can produce more than half a gallon of water per hour per square meter and removes contamination from heavy metals and bacteria.

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.

Producing electricity at estuaries using light and osmosis

Using light to optimize osmosis for electricity generation at estuaries has shown promise. The system produces twice as much power in the dark as it does with light, offering a potential solution to weather-dependent renewable energy sources.

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.

Eddy currents affect flux of salt more than heat

Researchers at KAUST found that eddy-induced transport is more active in the central and northern Red Sea, influencing surface heat flux and salt dispersion. This mechanism balances fluctuations in both heat and salt, highlighting its role in the Red Sea's circulation.

Slime mold absorbs substances to memorize them

Researchers found that slime molds can store knowledge of salty environments through absorption, allowing for up to a month of retention. The study suggests that the substance itself supports the slime mold's memory, rather than just the environment.

Switch from hunting to herding recorded in ancient pee

A new study published in Science Advances uses urine salts to reconstruct the history of animal domestication at an ancient site in Turkey. The research suggests that the transition from hunting to herding occurred around 10,000 years ago, with a rapid increase in human and animal density.

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.

Solar evaporator offers a fresh route to fresh water

Researchers at the University of Maryland have developed a self-cleaning solar evaporator made of wood that can efficiently produce clean drinking water from salty water. The device uses interfacial evaporation technology and minimizes maintenance needs, making it suitable for off-grid water generation in low-income countries.

Keeping the taste, reducing the salt

Researchers created salt blends using calcium and potassium chloride to reduce sodium chloride content without compromising flavor. The optimal blend achieved a balance of 96.4% sodium chloride and 3.6% replacement salts, increasing the possibility of gradual reductions in salt consumption.

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.

Researchers uncover hidden deicer risks affecting bridge health

Researchers found that magnesium chloride deicers can cause significant degradation of concrete strength and micro-hardness, even without visible signs of damage. The study's findings have important implications for transportation officials and the use of magnesium chloride as a winter road treatment.

High-tech material in a salt crust

Scientists from Forschungszentrum Jülich simplify production of MAX phases, a desirable material class. The new method uses a salt crust to protect raw material from oxidation at high temperatures, making industrial-scale production possible.

Trips to the toilet at night are a sign of high blood pressure

A study from the European Society of Cardiology reveals that nighttime trips to the bathroom may be a sign of high blood pressure or excess fluid in the body. The researchers suggest that individuals experiencing nocturia should consult their doctor about their blood pressure and salt intake to address potential hypertension.

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.

Thirst controlled by signal from the gut

Scientists discovered the gut has a built-in salt sensor that reports to the brain, regulating thirst. The gastrointestinal tract measures salt concentration and relays this info directly to the brain, enabling precise measurement of fluid osmolarity.

The salt-craving neurons

Researchers at Caltech have identified specific neurons responsible for salt cravings in the mouse brain, which are triggered by oral sodium signals. These findings could potentially lead to new avenues for regulating sodium intake and mitigating health issues related to excessive salt consumption.

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.

Better water testing, safer produce

Researchers compared two water testing methods to ensure safe irrigation water for leafy greens, finding excellent results when samples were clean. However, discrepancies arose when environmental factors like sediments and salts were introduced, highlighting the need for a user-friendly guide to ensure consistent accuracy.

Salt could be a key factor in allergic immune reactions

Researchers found elevated salt concentrations in the skin of patients with atopic dermatitis, which can lead to Th2 cell activation and increased production of IL-4 and IL-13. The study suggests a link between salt intake and the occurrence of atopic dermatitis.