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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

Research expedition braves world's worst weather

A research team, led by Yoshitomi Okura, is returning to Mount McKinley for the fifth time to collect data on the mountain's extreme winds. The team is equipped with two anemometers, a standard and ultrasonic device, to measure wind speed and sensor accuracy.

Landmark study on diabetic foot infection published

The study found that nearly 9 in 10 amputations performed are instigated by an infection. Poor circulation was not the primary cause of amputation but rather determined its level, highlighting the importance of preventing infection to prevent severe outcomes.

Apple iPhone 17 Pro

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

Penn State to recycle tires into roads

Penn State's Center for Dirt and Gravel Road Studies is recycling 500,000 discarded tires into road fill, reducing sediment pollution and mosquito breeding grounds. The project uses bailed tires to fill degraded dirt roads, incorporating drainage structures to prevent water runoff.

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.

Vol. 42, No. 5 JRRD tipsheet: Focus on spinal cord injury and prosthetics

Researchers have made significant advancements in managing chronic pain in spinal cord injury patients. Studies show that specific pain patterns are stable over time, while others can be improved through treatment. Additionally, virtual reality systems have been shown to provide natural movement control and flexibility for balance trai...

Polar melting may raise sea level sooner than expected

New research suggests that polar melting could accelerate global sea level rise by at least 20 feet, exceeding previous predictions. The study links Arctic and Antarctic melting during the Last Interglaciation, indicating a potential future sea level rise of four-to-six meters.

Candy on the desk is candy in the mouth, study finds

A study by Cornell University found that women eat more candy when it's visible and convenient, but underestimate their intake. The study suggests that making healthy foods less visible and inconvenient may help reduce overconsumption.

Snows of Kilimanjaro disappearing, glacial ice loss increasing

The ice fields on Kilimanjaro are losing up to 50% of their surface area in just five years, with the northern ice field expected to disappear within two years. This rapid melting threatens local water supplies, which rely on glacier meltwater and precipitation from surrounding rainforests.

The Valentine's Day candy dish

A study by Cornell University researcher Brian Wansink found that women eat significantly more Hershey Kisses when they are in clear containers on their desks, but fewer when they are six feet away. This suggests that the temptation factor plays a role in overeating, and that making food less visible can lead to reduced consumption.

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.

Anti-adhesive layers leave no hope for insects

Researchers from Max Planck Institute for Metals Research and University of Hohenheim investigate the effect of two-layered crystalline wax on insect attachment. The upper layer contaminates insects' feet, while the lower layer reduces contact area between feet and substrate, resulting in slippery zone that traps insects.

A FASTT first from the Office of Naval Research

The Office of Naval Research has successfully tested a fast scramjet, reaching speeds of Mach 5.5 and demonstrating the feasibility of low-cost flight test techniques at hypersonic speeds. The engine, powered by liquid fuel, offers a safer alternative to other designs, making it suitable for shipboard use.

Tiny pikas seem to be on march toward extinction in Great Basin

Climate change and human activities are pushing tiny pikas to higher elevations, leaving them with limited habitat options. The animals' distribution has diminished significantly over the past 40,000 years, with many populations now isolated on separated mountain ranges.

Alaska's Columbia Glacier continues on disintegration course

The glacier has reached the midpoint of its projected retreat, with a shrinking length of 9 miles since 1980. The glacier's rapid retreat is attributed to complex physical processes and warming trends, resulting in an annual discharge of nearly 2 cubic miles of ice into the Prince William Sound.

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.

Mercury in atmosphere could be washed out more easily than earlier believed

A recent study found that mercury can be carried long distances in the atmosphere and combined with other chemicals, making it more water-soluble and easily removable. High concentrations of reactive gaseous mercury can now be present even far from industrial sources, posing a significant threat to ecosystems.

Watch your step when the going gets rough

Researchers monitored the accuracy with which subjects could step onto a target, finding that vision was blocked only after the foot had left the floor. This suggests that people use visual information to adjust their footfall while their foot is moving forwards.

Two landmark papers on amputation prevention in diabetes unveiled

Two landmark papers unveiled significant breakthroughs in preventing amputations in diabetes patients. Novel Negative Pressure Wound Therapy technology has been shown to simplify complex wounds, while powerful antibiotics have demonstrated comparable efficacy when administered once daily.

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.

Hairy feet stick better to wet ceilings

Geckos' hairy feet exhibit an extreme adhesive ability due to a 'dry' system that uses water. The researchers found that increased air humidity strengthens the capillary forces between spatulae and substrates, enabling geckos to stick better on wet ceilings.

Explaining why the Millennium Bridge wobbled

The Millennium Bridge's wobble was caused by a sudden synchronization of pedestrians' footsteps, which became unstable as more people joined in. Researchers found that only around 160 people were needed to trigger this phenomenon, which could be used to inform future bridge designs.

I think, therefore I fall

A woman's fear of falling led to a psychological disorder affecting her ability to walk, but treatment helped improve her bearing and mobility. After discovering the condition was not physically related, she began walking again after six months of physical therapy and reduced medication.

Hybrid grass may prove to be valuable fuel source

Researchers at the University of Illinois have discovered that hybrid grass Miscanthus can produce more biomass than switchgrass, with greater rates of photosynthesis and no net effect on atmospheric carbon dioxide levels. The crop is also remarkably efficient and easy to grow, making it a promising renewable energy source.

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.

Penguin chicks exposed to human visitors experience spike in stress hormone

Researchers found that newly hatched magellanic penguin chicks in breeding grounds with large numbers of human visitors show a significant spike in stress-related hormone levels. As the chicks grew older, their behavior towards humans changed, with those in tourist areas becoming more tolerant but still exhibiting caution.

Carbon nanotubes made to stick like a gecko's foot

Researchers have developed a method to create densely packed carbon nanotube carpets with an artificial gecko foot-like grip, 200 times stronger than natural geckos. This breakthrough enables the development of dry adhesives for microelectronics, robotics, and other fields.

Volcanoes inner workings disclosed when the Earth moved

Researchers studied tiltmeter data from the Soufriere Hills Volcano to understand its behavior and inner workings. They found that pressure is centered around a half mile below the dome or nearly 2.5 miles above the magma chamber, suggesting a more extensive region involved in pressurization.

NRL measures record wave during Hurricane Ivan

During NRL's Slope to Shelf Energetics and Exchange Dynamics field experiment, six current profiler moorings deployed on the continental shelf directly measured large waves up to 27.7 meters high during Hurricane Ivan. The measurements provide valuable data for assessing potential impacts of energetic storm waves on offshore structures.

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.

Bacteria feed on smelly breath (and feet)

A recent study published in Environmental Microbiology found methylotrophic bacteria present in the mouths of healthy volunteers and those with gum disease, but no association between bacterial levels and bad breath. The discovery may lead to a natural way of reducing smelly breath and feet.

MIT-Williams team catches rare light show

The MIT-Williams team successfully observed the occultation of a star by Charon, Pluto's moon, using multiple telescopes in Chile. The data will help determine Charon's radius and whether it has an atmosphere, with implications for understanding the moon's composition and potential habitability.

Foot in mouth: Breaking the rules of social behavior

Researchers found that individuals with lower inhibitory ability were more prone to socially inappropriate behavior, even in low-pressure situations. The study suggests that our ability to suppress true feelings is disrupted under demanding conditions, affecting social etiquette and potentially career advancement.

Foot in mouth: Breaking the rules of social behavior

Research suggests people with poor inhibitory ability are more likely to behave inappropriately, even when trying to follow social norms. Inhibitory ability is disrupted under demanding conditions, affecting individuals' ability to suppress true feelings.

Measuring a monster

The study highlights the catastrophic effects of the December 26, 2004 tsunami on Banda Aceh and Lohknga in Indonesia. Water reached 9 meters at the shoreline and over 15 meters inland, with wave-driven sea water inundating areas up to 25 meters above sea level.

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.

Baby, you can drive my song

The Expression Synthesis Project (ESP) interface, devised by Elaine Chew, allows users to control musical performance using familiar driving metaphors. By analyzing the structure of a piece of music, ESP creates a virtual 'road' that guides the user's decisions.

New underwater volcano found near Samoa

Scientists have discovered a new underwater volcano near Samoa, dubbed Nafanua, which has rapidly formed since its last expedition in May 2001. The volcano's growth rate averages eight inches per day, and researchers found an unusual biological community of eels inhabiting the area.

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.

Researchers discover underwater volcano

Scientists have uncovered a submarine volcano growing in the summit crater of another larger underwater volcano, Vailulu'u. A unique hydrothermal community of hundreds of slithering eels was found surrounding the eruption site.

Small glaciers in Northern California buck

Researchers found that small glaciers in Northern California are remaining stable due to higher precipitation rates. This anomaly highlights the need for further study on glacier behavior and provides insight into climate variability over thousands of years.

From lobster flock to lobster feast?

Scientists have made a serendipitous discovery that lobster larvae are settling on open water fish cages in Puerto Rico by the thousands. This finding has led to a new program aimed at making large-scale spiny lobster culture commercially feasible, which could address limited availability and high value of the species.

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.

Scientists solve mystery of Meteor Crater's missing melted rocks

Researchers have discovered that a meteorite traveling at a slower velocity than previously thought formed Meteor Crater. The study reveals that atmospheric drag slowed down the fragments, causing them to crumble and slow more, resulting in little to no melting of the surrounding rocks.

Hydrogen and methane provide raw energy for life at 'Lost City'

Scientists discover unique organisms living in alkaline fluids with high levels of methane and hydrogen, unlike those found in black-smoker vents. The Lost City vent field may provide insights into the origins of life on Earth and the possibility of life on other planets.

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.

Muon opportunists: Detecting the unseen with natural probes

Researchers are exploring muon radiography to detect hidden burial chambers in the Pyramid of the Sun, track volcanic eruption potential, and identify illicit nuclear materials. The method involves tracking muons passing through objects, allowing for non-invasive detection with minimal radiation exposure.

Robots walk with close-to-human efficiency

Researchers at Cornell University and their colleagues have built robots that mimic the human gait, consuming energy comparable to a human walker. The robots use simple control programs, suggesting that steady-state human walking might require only simple control as well.

Teams build robots that walk like humans

Three independent teams, including MIT, have developed walking robots that mimic human gait and control. The MIT robot, called Toddler, uses a learning program to adapt to terrain in under 20 minutes. The robots' efficiency and potential applications for robotic prostheses and understanding the human motor system are significant.

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.

Murder, eyewitness identification and the limits of human vision

A new study examines the relationship between distance and detail in human visual perception, finding that blurriness is equivalent to distance from the viewer. The research has implications for eyewitness testimony, including a case where a witness identified suspects from 450 feet away, leading to a new trial.

Hummingbirds lose power at high altitudes

Researchers found that hummingbirds' lifting ability declines with altitude, leaving less reserve power for quick bursts of flight. The study also revealed a clear correlation between power margin and elevation, with birds dominating territories at lower elevations.

Ice cores disagree on origin of White River ash deposit

Researchers drilled a complete 460-meter core through the ice to bedrock, capturing a climatological record preserved in the ice. The discovery of layers of non-volcanic pebbles and lack of ash layer contradict the current interpretation that Mount Churchill was the source of White River Ash deposits.

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.

Seismosaur cut down to size

A team of paleontologists has reestimated Seismosaurus's length to 110 feet, bringing it within range of the blue whale. The new estimate was achieved by scaling up a smaller Diplodocus dinosaur and comparing its caudal vertebrae.

People cause more soil erosion than all natural processes

Researchers found that human activities, mainly agriculture and construction, cause more soil erosion than all natural processes combined. This situation is particularly critical due to the rapid growth of the Earth's population and widespread land use.

Cow's claw benefits from cushioned floor

Joan Somers' research found that cows on straw yards had significantly healthier claws and better walking patterns than those on concrete floors. The study highlighted the importance of comfortable bedding spaces, dry stalls, balanced rations, and regular claw care in improving dairy cow welfare.

Fluke 87V Industrial Digital Multimeter

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

Wheelchairs biomechanics, prosthetic development

Studies investigate shoulder pain, seat position impact, ACSM target heart rate guidelines, wheel camber effects, Smart Wheelchair Component System, portable ramps, self-efficacy in amputations, and neuroprosthesis technology for individuals with spinal cord injuries.

Delta digs show sea is rising

Research by University of Illinois Chicago scientists reveals steady rise in sea level over the past 8,000 years, challenging a hypothesis that sea levels were higher 5,000 years ago. The study uses peat deposits to confirm steady sea level rise and emphasizes the need for better predictions to prepare for coastal erosion.

Two scans are better than one

A new study using combined PET/CT imaging has effectively diagnosed diabetes-related osteomyelitis of the foot. The technique provides a precise location of infection, enabling easier treatment strategy definition and improved patient outcomes.

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.