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

Who sweats more: Men or women?

A study published in Experimental Physiology found that body size, not sex, determines how people lose heat during exercise in warm conditions. The research involved 36 men and 24 women who underwent light and moderate exercise trials at controlled temperatures.

Unsaturated fatty acid may reverse aging effect of obesity

Research published in Experimental Physiology suggests that unsaturated fatty acids can reverse some of the effects of obesity on the immune system. Obesity was found to cause changes similar to those observed with aging, but supplementing the diet with unsaturated fatty acids reversed these effects.

Dietary supplement could improve heart health

Research suggests that supplementing mice with quercetin improves biomedical outcomes, providing anti-inflammatory and antioxidant effects. The study also found that quercetin-fed mice were more active than control groups, which could be beneficial for Duchenne Muscular Dystrophy patients.

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.

Desert songbirds may face expanding threat of lethal dehydration

A new study finds that small bird species in the US desert Southwest are at higher risk of lethal dehydration during heat waves, with some regions becoming uninhabitable for many species. Conservation efforts may focus on thermal refugia and water sources to mitigate this threat.

Extreme temperatures threaten desert songbirds with death by dehydration

Small species of birds are particularly susceptible to lethal dehydration in extreme heat, with the risk increasing four-fold by the end of this century. Conservation strategies are needed to conserve diverse plant and animal communities that supply shelter and water to desert birds amid future climate warming.

Researchers develop device that emulates human kidney function

A novel microfluidic device models human kidney function, exhibiting more natural cell behaviors than traditional culturing methods. The device's glomerular filtration system is crucial for healthy cell function and accurately predicting renal drug toxicity in humans.

Apple iPhone 17 Pro

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

Females no longer neglected in obesity research

A recent review in Frontiers in Nutrition highlights the need for a more inclusive approach to obesity research, as traditional male rat models are found to be insufficient in predicting long-term obesity in females. The study also sheds light on the phenomenon of weight regain after weight loss and its impact on females.

Lessons for optimizing exercise programs

A new study published in Experimental Physiology found that sprint interval training is a powerful stimulus to elicit cellular remodelling in both men and women. The research, conducted at McMaster University, showed that changes in gene expression over a short time-scale are similar between the sexes.

High-sugar diet programs a short lifespan in flies

Researchers found that a high-sugar diet programmed flies' genes for longevity, causing long-term effects even after a healthy diet. The study suggests that dietary history has a lasting impact on health and may have implications for human lifespan.

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.

UC Davis joins national effort on links between health and exercise

The University of California, Davis, is part of a six-year, $170 million NIH project exploring the molecular changes caused by physical activity and their impact on health. Researchers will use rat models to study exercise physiology and analyze tissue samples from humans and animals.

Why the flounder is flat

A team of researchers has identified the genetic mechanisms driving the metamorphosis that transforms flounders from symmetrical larvae to asymmetrical adults. The discovery sheds new light on an evolutionary puzzle, but also has practical implications for the fishing industry, which faces significant losses in flounder aquaculture.

Keeping our balance -- a tale of two systems

Scientists have identified two sensory channels that transmit information to the brain about movement using fundamentally different approaches. The discovery suggests a legacy of the differences between navigating in water and air, with one channel sending smooth signals resembling sound waves and another rapid signals like drumbeats.

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.

Burrowing echidnas essential for health of Australian environment

A study by Christine Cooper, Phil Withers, and Christofer Clemente found that individual echidnas aerate 200m3 of soil annually, playing a crucial role in maintaining Australia's environmental health. The team also discovered that echidna digging activities can mix organic material into the soil, which is essential for ecosystem balance.

Male chemistry primes females for reproduction -- but at a cost

A research team has discovered that male animals trigger female reproduction through their chemical signals, which also hasten females' aging process. The study found two distinct signals produced by males that affect female physiology, with one causing earlier puberty and the other slowing down aging.

Longevity and human health may be linked to a muscle cell enzyme

Researchers found that SIRT3's level of mRNA decreases, but its location remains the same after endurance exercise and fasting. This suggests that the activity of this enzyme may not be directly regulated by changes in its abundance within mitochondria in human skeletal muscle cells.

Scorpions have similar tastes in burrow architecture

Research reveals three common burrow features: a horizontal platform for monitoring and warming up, spiral bends to deter predators, and an enlarged terminal chamber for refuge and feeding. Burrow architecture may change in response to soil composition, hardness, and moisture.

Celestron NexStar 8SE Computerized Telescope

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

Proteome of an entire family

A large-scale proteomic study using SWATH-MS technique reveals specific proteins responsible for fat and energy metabolism in mice. The researchers found that COX7A2L protein plays a crucial role in mitochondrial function and its deficiency can lead to metabolic disorders.

Fasting induces a miRNA-mediated subcutaneous to visceral fat switch

A new study found that 24 hours of fasting induces a miRNA-149-3p-mediated subcutaneous to visceral fat switch via suppression of PRDM16 in mice. This switch may play a crucial role in maintaining energy balance and could have implications for obesity and metabolic disease prevention.

New insights into human rare disorders with dogs

A study by the University of Helsinki reveals three novel canine genes associated with human rare disorders, including Caffey disease and van den Ende-Gupta syndrome. The discovery highlights the potential of comparative research for developing diagnostics and treatments.

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.

The gut: Performing into old age

A groundbreaking study led by Dr. Dagmar Krüger has revealed that the human gut's secretory capacity does not decline with age, contradicting long-held assumptions. The research team examined over 2200 specimens from 450 patients with bowel disease and found no correlation between intestinal secretion and age or gender.

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.

Study offers treatment hope for sleep disordered breathing

Scientists have gained insights into breathing signals during sleep, leading to potential new treatments for central sleep apnoea. Researchers used genetically modified mice to show that AMPK enzyme helps breathe faster in low oxygen environments.

Togetherness relieves stress in Prairie voles

Research found that prairie voles living in close quarters were less stressed out and had lower levels of the stress hormone corticosterone. This is surprising as most studies link increased crowding with higher stress.

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.

Charting the growth of 1 of the world's oldest babies

Researchers have published the results of their scientific findings on a juvenile Chasmosaurus, one of the rarest dinosaur discoveries. The study provides new insights into the evolution and life history of horned dinosaurs.

Grid cells: Reading the neural code for space

Researchers propose a mathematical theory explaining grid cell activity, enabling precise representation of spatial position and direction. The framework combines population-vector decoding with grid scale progression to maximize spatial resolution.

Hot water puts crocs at risk

A University of Queensland study finds that climate warming causes saltwater crocodiles to spend less time submerged, compromising their ability to avoid predators and forage underwater. The research suggests that elevated water temperatures pose a significant threat to the species' survival.

Mitochondria affect stress responses

Research suggests that mitochondrial function affects hormonal, metabolic, and behavioral systems in response to mild stress. This discovery has implications for understanding the genetic basis of neuropsychiatric diseases and the role of stress in human health.

Gut microbes signal to the brain when they're full

Researchers found that gut bacteria produce proteins that stimulate the release of satiety hormones and activate neurons that reduce appetite. This discovery suggests that gut microbiota play a role in controlling appetite and satiety.

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.

Bird decline shows that climate change is more than just hot air

A new study reveals that climate change is driving bird declines in the Western Cape, with factors such as changing fire and rainfall patterns playing a significant role. The research found striking similarities between bird population declines and increases in average temperature, highlighting the need for urgent conservation action.

New insights into REM sleep crack an enduring mystery

Researchers identify a neural circuit that regulates REM sleep and show that it controls the physiology of non-REM (NREM) sleep. They also found that REM sleep plays a crucial role in the generation of slow waves during NREM sleep.

From good to bad with a copper switch

A new SISSA study uncovers a critical cofactor in prion protein transformation from 'good' to 'bad', revealing the role of copper in triggering the process. The study suggests a new potential target for treating prion diseases, including Creutzfeldt-Jakob disease and mad cow disease.

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.

Competing mice reveal genetic defects

A new study using competing mice reveals genetic mutations can impair reproduction and territory control, contrary to previous assumptions of redundant gene functions. The mouse barn test provides a sensitive tool for assessing fitness consequences of gene changes in natural environments.

Novel tag developed for squid, jellyfish

Researchers developed a novel data-logging tag called ITAG to study small invertebrates' behaviors and physiology. The tag measures ocean conditions and animal responses at high resolution, providing valuable insights into their natural behaviors and adaptations.

Researchers uncover genetic basis for kin recognition in mice

A study published in Current Biology identified a species-specific genetic marker called MUP used by female house mice to select closely related females as nest partners. The researchers also found that the vertebrate-wide MHC is not involved in kin recognition, contrary to previous assumptions.

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.

Mating success for the European mink

European minks face significant reproductive challenges due to habitat destruction and competition with American minks. Scientists have successfully developed a non-invasive method to analyze faecal samples, revealing that mating can occur more frequently than previously thought.

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.

The bold and the shy one: Could woodlice have personalities?

A study by Dr. Ivan Tuf's team found that Common rough woodlice exhibit individual patterns of defensive behavior, suggesting the presence of personality traits. The researchers observed repeatability in reactions to external impacts, identifying some woodlices as 'bold' and others as 'shy'.

Impact of Type 2 diabetes on lymphatic vessels identified

Researchers at the University of Missouri have identified a link between Type 2 diabetes and damaged lymphatic vessels, which can lead to impaired immune function. The study found that an amino acid commonly found in red meat and poultry may help improve lymphatic function in individuals with Type 2 diabetes.

Fluke 87V Industrial Digital Multimeter

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

Researchers find 1 in 4 dogs competing at Crufts is overweight

Researchers at the University of Liverpool found that up to 26% of show dogs, particularly pugs, Basset hounds, and Labradors, are overweight due to their breeding history for physical activity. The team graded body condition and found significant health issues such as arthritis, diabetes, and respiratory diseases in obese dogs.

'Conjunction junction' for brain's navigation function

The study identifies the retrosplenial cortex as a critical brain region for navigating complex environments, combining mapping interior and exterior spaces. The findings support computational modeling research and clinical observations of Alzheimer's disease, with potential applications in robotics and early disease detection.

Diving dolphins are exhalation champions

Researchers have measured the immense airflows generated by breathing dolphins, finding they can inhale up to 33.4 l/s but exhale up to 137.6 l/s, surpassing terrestrial champion horses. The study reveals the dolphins' lungs are compressible and highly efficient.

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.

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.

Underground ants can't take the heat

A new study from Drexel University found that underground species of army ants are less tolerant of high temperatures than their aboveground relatives. The research highlights the importance of considering microhabitat in predicting animal responses to climate change.

From worker to queen at the drop of a gene

Biologists from the University of Leicester have discovered that buff-tailed bumblebees develop into queens or workers based on gene expression. The study found that differentiation is not caused by inherited genetic differences, but rather by distinct expression patterns in adults.