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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

Northwestern study looks at sensing, movement and behavior

A Northwestern University study quantifies the volumes of movement and sensation in animals, defining three modes - collision, reactive, and deliberative. The findings apply to understanding behavioral control strategies in animals and can aid in designing autonomous robots and improving cockpit information systems.

New evidence for female control in reproduction

Scientists report biochemical proof that female mammals can sense sperm presence and alter uterine environment to favor fertilization. This discovery has profound implications for in-vitro fertilization, cloning, and animal breeding.

Apple iPhone 17 Pro

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

'Time-sharing' tropical birds key to evolutionary mystery

A Queen's University study confirms Darwin's controversial theory that different species can arise unhindered in the same place. Researchers found that tropical seabirds time-share breeding sites, differing genetically over long periods of time, shedding light on species divergence.

Chimps dig up clues to human past?

A team of scientists reports that chimpanzees in Tanzania are using digging tools to gather underground foods, suggesting that this ability may have been present in early human ancestors. The study provides insights into the role of dietary shifts in hominid evolution and challenges current hypotheses.

The genetic basis of inbreeding avoidance in house mice

A new study reveals that wild house mice rely on specialized protein signals in their urine to recognize and avoid close relatives. The researchers found that these proteins serve as a genetic barcode, allowing animals to identify and reject potential mates based on their unique scent profiles.

'Hot spots' the key to controlling European carp in Australia

Researchers have identified 20 major European carp breeding hot spots in Australia's Murray Darling Basin, which could be targeted for control measures to reduce carp numbers in regional waterways. The study found that heavy rain and floods enable the carp to disperse their larvae, supporting the larval drift theory.

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.

To fight disease, animals, like plants, can tolerate parasites

Researchers found that animals, like plants, can build tolerance to infections at a genetic level, allowing them to withstand parasite loads. This tolerance is negatively related to resistance, with animals either killing or tolerating parasites but not both.

Earliest birds acted more like turkeys than common cuckoos

Researchers found that the earliest birds primarily made their livings on the ground rather than in trees. By analyzing toe claws of 249 species and fossilized ancestors, they concluded that early birds foraged predominantly on the ground.

Case Western Reserve researchers breed a mighty mouse

Case Western Reserve researchers have bred a line of 'mighty mice' with the ability to run five to six kilometers at high speeds. The mice utilize fatty acids for energy and produce little lactic acid, allowing them to maintain endurance over extended periods.

Lush or lightweight?

Scientists at NC State University have identified genes that contribute to fruit fly alcohol sensitivity, with 72% of these genes having human counterparts. The study could lead to the development of a drug for people with higher genetic risk factors for alcoholism.

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.

Ecologists uncover links between fever and living fast, dying young

New research reveals fever responses differ among closely related mouse species, suggesting reproductive strategy plays a role. Fast-living mice tend to use fever less often than slow-living counterparts, highlighting the trade-offs between immune defenses and other physiological processes.

Mellon awards Carnegie Grant for Ecological Monitoring in South Africa

The Carnegie Institution's Department of Global Ecology will conduct a one-year pilot study on ecosystem diversity in Kruger National Park using remote sensing and the Carnegie Airborne Observatory. This research aims to improve adaptive management and develop skills for park managers to undertake remote monitoring of ecosystems.

Meta Quest 3 512GB

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

Frog study takes leaf out of nature's book

A new study is working to save the endangered splendid leaf frog by understanding its development and behavior in relation to diet and environment. The researchers are conducting field studies and experiments at Chester Zoo to provide a better idea of the species' nutritional requirements.

'Nervous' birds take more risks

Birds with higher stress levels adopt bolder behaviour than their peers, taking more risks in stressful situations. The 'stressed' birds explored more objects and returned to feeders quickly after being startled.

Everglades phosphorus limits on the right track, but more is needed

A six-year study by Duke University scientists found that current phosphorus standards protect the Everglades, but high levels persist near outer edges. The researchers suggest a threshold protective zone of 12-15 micrograms per liter is more realistic for the changeable system.

Severely restricted diet linked to physical fitness into old age

Researchers found that severely restricting calories can maintain physical fitness into advanced age, reducing visceral fat and improving overall physical function assessments. This approach may slow the progression to physical disability and loss of independence.

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.

Daylight savings time disrupts humans' natural circadian rhythm

A new study finds that daylight saving time (DST) significantly disrupts the human circadian clock's seasonal adjustment. Researchers analyzed sleep patterns of over 55,000 people in Central Europe and found that DST timing fails to adapt, leading to significant disruptions in daily rhythms.

Can you feel the heat? Your cilia can

Scientists have discovered that tiny hair-like cell structures known as cilia are essential for our sense of touch. The study found that mice lacking functional cilia responded more slowly to physical sensations, and patients with inherited conditions affecting cilia also had different sensation thresholds.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

In vitro models will minimize animal use in arthritis studies

Researchers at the University of Missouri-Columbia have developed an in vitro model that mimics actual joints, eliminating the need for animal testing. This 'joint in a test tube' model can investigate causes and mechanisms of arthritis and screen new treatments.

Understanding, combating foodborne pathogens E. coli 0157 and salmonella

A team of researchers at Kansas State University is working to understand the ecology of E. coli 0157 and develop practical interventions to combat it in cattle. They are also studying salmonella, which causes bloody diarrhea in feedlot cattle and dairy cattle abortions, with a focus on reducing its prevalence.

Animal food allergens unmasked

New research from Norwich BioScience Institutes and Medical University of Vienna found that only animal food proteins less than 54% identical to human equivalent can become allergenic. The study identified three protein families, including tropomyosins, EF-hand proteins, and caseins, which are responsible for most animal food allergies.

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 search for brain center responsible for tinnitus

Researchers at the University at Buffalo study brain signals and animal models to find tinnitus relief; goal is to identify neural signature of the condition. Potential therapies are being tested using radioactive tracers and unique compounds.

UF researchers devise way to calculate rates of evolution

Researchers at UF discover a powerful link between protein evolution and metabolic rate across various species, including fish and mammals. The study reveals that rates of protein evolution are strongly influenced by individual metabolic rates.

Researchers: No faking it, crocodile tears are real

Researchers observed and videotaped four captive caimans and three alligators at the St. Augustine Alligator Farm Zoological Park, finding that five of the seven animals teared up as they ate. The cause of the tears is still unknown, but it may be related to air forced through the sinuses during feeding.

Genetic 'roadblock' hoped to inspire future type 2 diabetes research

Researchers from Mount Sinai Hospital's Samuel Lunenfeld Research Institute have discovered a genetic 'roadblock' that sensitizes mice to insulin, paving the way for new treatments. The study found that eliminating the glycogen synthase kinase-3 (GSK-3) gene made insulin more effective in regulating blood sugar levels.

Nikon Monarch 5 8x42 Binoculars

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Fossil data plugs gaps in current knowledge, study shows

Scientists have demonstrated that fossils can be used to effectively understand complex branching in the evolutionary tree of life. By comparing morphological datasets of living and extinct species, researchers found no difference in the impact on the family tree when fossil data is included or removed.

Engineers study brain folding in higher mammals

Scientists are studying the mechanics of brain folding in higher mammals to better understand its relationship with cognitive ability and neurological diseases. They have found that tension in axons may play a key role in driving this process, which could lead to new insights into conditions such as schizophrenia and autism.

City birds better than rural species in coping with human disruption

A study published by the University of Washington found that urban bird species can endure a wider range of environmental conditions than their rural counterparts. The researchers discovered that these birds have adapted to survive in cities, which are often harsher habitats than their natural environments.

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Research team says extraterrestrial impact to blame for Ice Age extinctions

A team of international researchers suggests that a comet or low-density object caused the mass extinctions at the end of the Ice Age, proposing a 'mini nuclear winter' triggered by a 10-million-megaton detonation. This impact would have destabilized a vast ice sheet, leading to rapid cooling and subsequent climate change.

PETA awards $120,000 to Duluth Foundation for advancing non-animal tests

The International QSAR Foundation will receive funding to develop databases and computer modeling tools increasing the accuracy of quantitative structure-activity relationship models. This technology aims to reduce animal testing in chemical safety testing, improving results with faster, more accurate, and less expensive methods.

Scientists get first look at nanotubes inside living animals

Researchers at Rice University successfully detected carbon nanotubes in living fruit flies using a technique called near-infrared fluorescent imaging. The study found that only a small percentage of the nanotubes were incorporated into the flies' organs, suggesting potential for early disease detection and monitoring.

Penn Veterinary Medicine report new strategy to create genetically modified animals

Researchers at Penn Veterinary Medicine have successfully demonstrated the potential of a new strategy for genetic modification of large animals. By employing a harmless gene therapy virus, they can transfer genetic modifications to male reproductive cells, which are then passed naturally on to offspring. This approach has shown promis...

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.

How the brain handles surprise, good and bad

Researchers distinguish brain circuitry for surprise and aversive stimuli, finding different neuronal populations respond to expectation of reward or punishment. This study sheds light on the amygdala's role in emotion, reinforcement learning, attention, and arousal.

Species still have more viable offspring if they can choose their best mate

A new study by the University of Georgia shows that when animals cannot choose their preferred mate, females and males find ways to compensate, increasing the chances of their offspring's survival. This supports the Compensation Hypothesis, which suggests individuals can pass on genes even under less-than-ideal circumstances.

Severe heart attack damage limited by hydrogen sulfide

Researchers found that administering hydrogen sulfide directly into the heart during a simulated heart attack significantly reduces tissue and cell damage. The study showed a 72% reduction in severe heart-tissue death after restoring normal oxygen and blood flow.

UT researcher sheds new light on hybrid animals

A recent study by a UT researcher found that hybrid salamanders are thriving in California water bodies, contradicting the general understanding of hybridization in animals. The hybrids, created by mating between two different species, show surprising vigor and may even enhance the chances for survival of the native species.

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.

Aspartame is safe, study says

A comprehensive review of over 500 studies on aspartame found no evidence of cancer, neurological damage, or other adverse effects. The study suggests that aspartame is safe at current levels of consumption and may even aid in weight control and sugar-free diets.

Who's afraid of the big, bad wolf? Coyotes

A study found coyote densities are significantly lower in areas with wolves, indicating competition for resources. However, coyotes can survive by living in packs, reducing their vulnerability to wolves.

Examining the Lacey Act

The Lacey Act, a 100-year-old law regulating invasive animal species, has failed to effectively prevent their spread in the US. The study found that many animals were already established when added to the list and continued to spread after listing, highlighting the need for an efficient risk assessment procedure.

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.

Color contrast is 'seen' by the brain early doors

A new study confirms that colour contrast is first detected by the primary visual cortex at the back of the brain. The brain processes colour contrast earlier than previously thought, making it a significant contribution to understanding how the brain functions.

Old developmental pathways spawn revolutionary evolutionary changes

A team of researchers, including Arizona State University's Gro Amdam, has discovered that the Polistes wasp's larval environment determines its future royal stature through environmental cues. The study sheds light on how developmental diapause and reproduction can be adopted in primitively social settings to result in complex social ...

Brain's timing linked with timescales of the natural visual world

The study reveals that the brain encodes visual information with extreme precision, necessary to represent the slowly changing visual world. The researchers found that the brain's internal clock changes relative to the visual scene's timescale, with precise timing required for accurate perception.

McGill study promises faster-acting anti-depressants

A McGill University study has discovered that a new class of serotonin receptor agonists can take effect four to seven times faster than existing selective serotonin reuptake inhibitors (SSRIs). This breakthrough has the potential to significantly improve treatment outcomes for patients with depression.

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.

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.

Natural insecticide recreated in the lab

A team of researchers at the University of Cambridge has finally succeeded in synthesizing azadirachtin, a natural compound that stops predatory insects from feeding. The breakthrough uses a novel Claisen rearrangement and radical cyclization reaction to produce the complex molecule.

First finding of a metabolite in 1 sex only

Researchers at the University of Illinois Chicago have discovered a chemical compound, 2-aminoethyl phosphonate, in male blue crabs that is not present in females. The presence of this metabolite has significant implications for understanding animal development and biochemistry.

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.

Study found no drug interference with pomegranate juice

A study published in the Journal of Clinical Pharmacology found that pomegranate juice does not impair the clearance of oral or intravenous midazolam, a test drug used to assess CYP3A activity. This suggests that pomegranate juice is safe for patients taking medications.

'New continent' and species discovered in Atlantic study

An international research team has discovered a new species of Ostracod in the North Atlantic Ocean, while exploring the Mid-Atlantic Ridge. The team used advanced technology to capture stunning images and specimens, shedding light on life in this remote deep-sea environment.