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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

Apple iPhone 17 Pro

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

Diabetes medications masking surgical complication

A recent study published in the British Journal of Anaesthesia found that people with diabetes taking gliflozin medications are at risk of ketoacidosis during surgery. Euglycaemic ketoacidosis can be deceiving, presenting with normal blood sugar levels, and may be missed easily by clinicians.

Study identifies the best healthy eating nudges

A meta-analysis of real-life experiments found that behavioural nudges can reduce daily energy intake by up to 209 kcal, equivalent to 21 cubes of sugar. Cognitive and affective nudges were less effective, with average reductions of 64 kcal and 129 kcal respectively.

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.

Foundational study explores role of diet in diabetes complications

A study by Brigham and Women's Hospital found that a combination of high levels of dietary cholesterol with specific saturated fats exacerbates retinal damage in a preclinical model of diabetes. The research used an experimental rat model to examine the effects of different dietary fats on early molecular signs of inflammation and damage.

Found: A sweet way to make everyday things almost indestructible

A team of researchers from the University of Virginia School of Medicine discovered a sugary coating on ancient single-celled organisms that makes their protein filaments resistant to extreme conditions. The breakthrough could lead to the creation of durable clothing, carpet, and building materials.

Zero-calorie sweeteners on trial again

Researchers found that maternal exposure to sucralose and acesulfame-K during pregnancy and lactation led to altered intestinal flora and liver toxicity in mouse pups. The study suggests that artificial sweeteners may be safe for adults when used in moderation, but not a substitute for sugar.

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.

Vanilla makes milk beverages seem sweeter

Researchers at Penn State used vanilla to reduce sugar content in flavored milk, finding that participants perceived the beverage as significantly sweeter. The study aims to develop a reduced-sugar chocolate milk for the National School Lunch Program.

Sugar industry's use of dietitians to influence dental professionals, 1974-1978

The Regional Nutritional Information Program was a key component of the U.S. Sugar Association's public relations campaign, designed to promote sugar's safety and benefits in a balanced diet. The program involved dietitians hosting workshops, influencing dental professionals' attitudes towards sugar, and shaping oral health messages.

Researchers take two steps toward green fuel

Researchers have developed a two-step process to more efficiently break down carbohydrates into their single sugar components, producing bioethanol or biobutanol for use as fuel. The process produces about 30% more sugars than traditional methods and has the potential to commercialize green fuel production.

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.

Do policies targeting sugary drinks pay off?

A study estimates that a national SSB tax could prevent around 17,000 new obesity-associated cancer cases and save $2.4 billion in lifetime medical costs. Health warnings on SSBs can also reduce purchases and consumption, with potential to reduce average body mass index by about 0.6 kg/m2 over 5 years.

New research suggests sugar taxes and labeling are effective

A new study suggests that implementing sugar taxes and labeling on packaged products can lead to a reduction in sugar consumption. The study found that consumers were more likely to choose products with less sugar when prices increased due to taxes or when nutrition labels were displayed on the front of packages.

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.

Don't overdo omega-6 fat consumption during pregnancy

Research in rats found high linoleic acid intake may harm pregnant women, increasing inflammation and disrupting hormone regulation. The study suggests reducing linoleic acid consumption during pregnancy may mitigate these risks.

Economists find net benefit in soda tax

A new analysis suggests that soda taxes serve as a 'net good,' with health benefits and reduced consumption for low-income individuals. Researchers estimate a nationwide soda tax would yield $7 billion in net benefits annually.

Colonial policies can result in economic growth

A new study found that areas near historical Dutch sugar factories in 19th century Java are more developed today, with higher per-capita consumption and better schooling. The research suggests that the creation of a colonial manufacturing industry led to a more modern economy, with places near factories having more public infrastructure.

Egg yolk precursor protein regulates mosquitoes' attraction to humans

A study published in PLOS Biology found that feeding mosquitoes sugar reduces their attraction to human skin, and regulates this behavior through the vitellogenin gene. This protein influences reproduction and foraging in insects, and its manipulation could reduce mosquito bites and disease transmission.

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.

Train your brain to eat less sugar

A new study from Drexel University shows that a computer game can be used to train individuals to eat less sugar, leading to weight loss and improved health. The 'Diet DASH' game targets the part of the brain that inhibits impulses with the goal of reducing sweet food consumption.

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.

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.

New hope for preventing dangerous diabetes complication

Researchers discovered a protein called neuronostatin that protects against low blood sugar and causes the pancreas to release less insulin. By understanding how neuronostatin works, scientists may develop new ways to treat and prevent hypoglycemia, potentially saving lives.

No such thing as 'sugar rush'! Sugar worsens mood rather than improving it

A new study published in Neuroscience & Biobehavioral Reviews found that sugar has no beneficial effect on mood and can even worsen it. Researchers analyzed data from 31 studies involving over 1,300 adults and discovered that sugar consumption increases tiredness and lowers alertness within an hour after consumption.

Females respond poorly to ketogenic weight loss diet in an animal model

A recent study found that female mice on a ketogenic diet experienced impaired blood sugar control and no significant fat loss, unlike male mice. Removing the ovaries of female mice improved their weight loss outcomes, suggesting that estrogen may play a role in the differing response to the diet.

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.

In search of new 'sugar cleavers'

Scientists from two French teams have identified 79 new 'sugar cleavers' enzymes using bioinformatics methods, expanding the known families to over 200. These enzymes can serve as tools in domains like bioenergy, cosmetics, and nutrition.

How diabetes causes muscle loss

Elevation of blood sugar levels triggers muscle atrophy by increasing KLF15 protein abundance, slowing down its degradation via WWP1. This leads to diabetes-induced skeletal muscle mass decline.

Genetic blueprint for extraordinary wood-munching fungus

A South African fungus has been found to rapidly degrade lignocellulose into fermentable simple sugars, feeding a community of surrounding fungi. The genome sequence of the fungus reveals its extraordinary ability to break down wood and produce valuable products.

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.

Western diet may increase risk of severe sepsis, death, study finds

A Western diet characterized by low fiber and high fat and sugar content can lead to increased chronic inflammation, higher mortality rates, and more severe sepsis severity in mice. The study identifies molecular markers that could predict patients at high risk for severe sepsis or require aggressive treatment.

No compelling evidence for health benefits of non-sugar sweeteners

A comprehensive review of 56 studies found no statistically significant differences in health outcomes between those consuming non-sugar sweeteners and those not consuming them. Non-sugar sweeteners were associated with slightly less weight gain, but the evidence was low-quality.

Fluke 87V Industrial Digital Multimeter

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

From a plant sugar to toxic hydrogen sulfide

Researchers discovered a novel bacterial degradation pathway for sulfoquinovose, which produces hydrogen sulfide in the absence of oxygen. The study's findings suggest that organosulfonate substrates from vegetarian diets can also be degraded to hydrogen sulfide.

Nature's sweets

Researchers at Harvard University have developed a new method for glycosylation, using a precisely designed hydrogen-bond-donor catalyst to attach sugars to molecules. This breakthrough could lead to the creation of crucial biomedical benefits such as new vaccines and drugs to treat human disorders and diseases.

New light on blocking Shiga and ricin toxins -- And on an iconic biological process

A recent study using CRISPR/Cas9 technology identified two factors necessary for Shiga and ricin toxins to enter cells: TMEM165 and TM9SF2. These proteins are found in the cell's Golgi apparatus and play a crucial role in glycosylation, a fundamental biological process that enables cells to create diverse molecules with varied function...

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.

New molecular tool identifies sugar-protein attachments

Researchers at Johns Hopkins Medicine developed EXoO, a new molecular tool that decodes where specific sugars are attached to proteins. The study successfully identified new markers for cancers and other diseases by mapping O-glycan sites on human blood, tumors, and immune cells.

Study counts the high cost of infidelity for swift parrots

A study led by Australian National University found swift parrots experience love triangles, sneaky sex, and increased fighting among males as the ratio of females to males increases. The introduction of sugar gliders has led to a chronic shortage of females, resulting in fewer babies being born.

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.

Otago study calls for sugar tax

A New Zealand study suggests that sugary drinks contribute to an obesogenic environment, leading people to make unhealthy food choices. The researchers recommend implementing a sugar tax to encourage industry reformulation and individual responsibility for healthy consumption.

Food for thought

The Tsimane's high-carbohydrate and protein-rich diet with low fat intake is associated with low cardiovascular disease risk. Despite the lack of dietary diversity, their daily food intake provides a balanced nutrient profile, highlighting the importance of adopting similar eating habits to mitigate the effects of Western diets.

Colectomy associated with increased risk of diabetes

Researchers found a link between colectomy and increased risk of developing type 2 diabetes. The study, analyzing data from over 46,000 patients, suggests the colon plays a crucial role in regulating blood sugar levels.

Hard cider, with a shot of sugar

Researchers analyzed 23 popular hard ciders and found that 60% of domestic brands contained added sugars from cane or corn syrup. The study's findings suggest that labels are not a reliable way to determine whether a cider has added sugar, due to discrepancies between expected and observed isotopic ratios.

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.

Neonatal birthweights increase in direct proportion to number of births

Researchers found that neonatal birthweights increase in direct proportion with the number of births in at least 30 percent of cases. Large for gestational age (LGA) weight infants are at risk for complications and recurrence, according to a new study published in Archives of Gynecology and Obstetrics.

Not enough fruits, vegetables grown to feed the planet, U of G study reveals

A University of Guelph study found that global agriculture is overproducing grains, fats, and sugars while insufficiently producing fruits and vegetables. Adopting a more nutritious diet would require significant changes to the food system, including reducing meat consumption and increasing plant-based protein production.