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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

Palaeontology: Small dinosaurs flapped their feathers to scare prey

Researchers used a robot dinosaur named Robopteryx to test the hypothesis that small dinosaurs flapped their primitive wings to scare prey. The results showed significant positive associations between the use of proto-wings in display behavior and the likelihood of grasshoppers fleeing.

Jays jump in while crows hold out for the treat

Researchers found that Eurasian jays settle for less preferred food options when rivals are present, while New Caledonian crows consistently choose the better, delayed reward. The study suggests that species' social tolerance and competition levels influence self-control in animals.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Fishing chimpanzees found to enjoy termites as a seasonal treat

Researchers found that chimpanzees extract termites from mounds most successfully when rainfall increases, until a threshold of 200mm is reached. This suggests that termite fishing is a seasonal activity for chimpanzees, with the best opportunities during the early wet season.

Apple iPhone 17 Pro

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

Fruit flies offer clues to how brains make reward-based decisions

Researchers studied fruit flies to understand how their brains assign value to rewards, finding that expectations play a crucial role in decision-making. By observing the flies' behavior, the team pinpointed the site in the brain where these value adjustments are made, enabling them to test a theoretical framework on neural circuits.

Pollination by more than one bee species improves cherry harvest

Researchers found that pollination by both honey bees and mason bees increases sweet cherry production, with a synergy effect observed in orchards using both species. Growers can attract mason bees to their orchards by providing nest material, such as bamboo sticks, to enhance cross-pollination.

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.

Similar to humans, elephants also vary what they eat for dinner every night

A new study reveals that elephants' dietary habits are more varied than previously thought, with individual preferences playing a significant role. The research used DNA metabarcoding to analyze fecal and hair samples from two groups of elephants in Kenya, finding that even family members may eat different plants on the same day.

Honey bees more faithful to their flower patches than bumble bees

A study by US Department of Agriculture scientists found that honey bees are more faithful to their flower patches than bumble bees. Honey bees returned to 76% of the same alfalfa flowers, while bumble bees visited only 47%. The difference may be due to honey bees' communication system and risk aversion.

Shattering the myth of men as hunters and women as gatherers

A recent study analyzing data from 63 foraging societies worldwide reveals that women hunt in at least 79 percent of these societies, targeting game of all sizes. Women's involvement in teaching hunting practices and employing diverse weapon choices also challenges the long-held perception of men as primary hunters.

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.

Slightly lost bumblebees use scent to find their way home

Researchers found that bumblebees use both vision and smell to navigate, with scent marks playing a crucial role in pinpointing the nest entrance in visually ambiguous situations. In experiments, bumblebees overwhelmingly focused on locations suggested by scent marks when visual landmarks were conflicting.

Honey bee colony aggression linked to gene regulatory networks

A new study explores the genetic mechanisms underlying honey bee colony defense and aggression, revealing that gene regulation influences collective behavior and division of labor. Researchers found that brain gene regulatory networks differ between soldiers and foragers, particularly in more aggressive colonies.

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.

As the California sea lion population got bigger, so did male sea lions

A new study found that male California sea lions have grown bigger as their population increased over the past 50 years. The researchers analyzed skull and bone samples to find that males expanded their ecological niche, foraging on a more diversified group of prey. This expansion allowed them to grow larger despite increased competition.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Study finds fish assess misinformation to avoid overreaction

Researchers found that fish in large schools are more willing to take risks and tune down their sensitivity to social cues, reducing the likelihood of responding to false alarms. This dynamic adjustment allows individuals to maintain control over their behavior, suggesting a potential evolutionary advantage in coping with misinformation.

Celestron NexStar 8SE Computerized Telescope

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

Changing temperatures increase pesticide risk to bees

A new study suggests that climate change could lead to increased pesticide toxicity on bee populations and their pollination services. Environmental temperature can influence the degree to which pesticides affect bees' behavior, with certain temperatures causing a 'tipping point' in their ability to tolerate pesticide exposure.

Honey bees receive flight instruction and vector source by following dance

Researchers found that honeybee foragers use waggle dance to provide both polar flight instructions (bearing and distance) and Cartesian-location vectors to approach the source. This new understanding reveals the complexity of symbolic communication in honeybees, adding new insights to the study of their navigational abilities.

Minke whales are as small as a lunge-feeding baleen whale can be

A new study of Antarctic minke whales found that a smaller whale cannot capture enough food to survive using the lunge-feeding strategy. The researchers observed remarkably high feeding rates for minke whales, especially at night, which are essential for their survival.

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.

Honey bees use social learning to improve waggle dancing

Researchers found that young honey bees who followed dances of older bees improved their performance, reducing disordered dances and increasing orderly ones. Social signal learning refines behaviors for local conditions, suggesting it's advantageous for novice dancers to learn from experienced ones.

Puzzle-solving behavior spreads through bumblebee colonies

Researchers found that bumblebee colonies adopt and prefer specific solution methods to a puzzle box problem, demonstrating the importance of social learning. The study suggests that bees with prior experience can teach others, leading to the spread of behavioral approaches within the colony.

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.

Illuminating the evolution of social parasite ants

Researchers at Rockefeller University have found queen-like mutants among social parasite ants, which can infiltrate and take over host colonies. These unique ants exhibit intermediate traits between worker and queen behavior, allowing them to thrive in the colony while avoiding dangers associated with leaving their nest.

How could we evolve such a huge brain?

A new study found that children in a modern forager society developed specialized foraging skills from an early age, which may have enabled the human species to afford larger brains. The research also showed gender-specific differences in foraging skills, with girls collecting tubers and boys climbing trees to collect fruits.

The ants go marching … methodically

Researchers at the University of Arizona found that rock ants follow a methodical search strategy, combining systematized meandering with random movement to efficiently explore new areas. This unique behavior may provide insights into the evolution of exploration strategies in other 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.

Mixture of crops provide ecological benefits for agricultural landscapes

A study by researchers at the University of Göttingen investigated the effect of mixing wheat and faba beans on pollinating insects. They found that areas with mixed crops were visited equally often by foraging bees as those with single crops. The findings suggest that this mixture may counteract pollinator decline.

Noise from urban environments affects the color of songbirds’ beaks

A Florida Atlantic University study found that urban noise exposure during development affects the color of songbirds' beaks, which influence social interactions and mate choice. Males developed less bright beak coloration, while females developed brighter orange coloration than untreated birds.

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.

Underwater footage reveals sharks’ flexible feeding skills

Researchers identified various feeding behaviors in nurse sharks, including vertical and ventral feeding, as well as 'pectoral positioning' where they flex their pectoral fins. This adaptable behavior suggests nurse sharks can thrive on different prey across various habitats.

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.

Fireworks have long-lasting effects on wild birds

Wild geese in Germany, Denmark, and the Netherlands experience significant changes in their behavior after fireworks, including flying further and foraging more, even after the disturbances end. The effects persist for up to two weeks, with birds leaving their sleeping sites and flying hundreds of kilometers non-stop.

Egyptian lagoon vital to Cyprus turtles

A study by the University of Exeter found that 74% of green turtles foraging in Cyprus feed at Lake Bardawil, an Egyptian lagoon. The number of turtle nests has increased almost tripled since the early 1990s, but their dependence on this single location leaves them vulnerable to changes in conditions.

Popular herbicide weakens bumblebees’ color vision

A study by Finnish researchers found that exposure to the herbicide glyphosate impairs bumblebees' fine color vision, affecting their ability to learn and remember connections between colors and tastes. This weakened color vision can severely impact bumblebees' foraging and nesting success.

Meta Quest 3 512GB

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

Bees active in woodland tree-tops, research shows

New research from the University of East Anglia reveals that wild bees are actively foraging in the sunlit woodland canopy, particularly among Sycamore trees. A diverse community of wild bees was found to thrive in this habitat, with nectar and pollen-rich trees providing essential food sources.

Tracking turtle nesting grounds

A team of researchers has identified three new turtle nesting sites in the central Red Sea, which could inform efforts to protect endangered sea turtles. The discovery was made using drone surveillance and sediment samples to identify optimal nesting conditions.

Strawberries were smaller when bees ingested pesticides

A new study from Lund University found that solitary bees ingesting the pesticide clothianidin resulted in slower bees and smaller strawberries. The research team also discovered that the substance impaired the bees' ability to pollinate strawberry flowers, highlighting the complex effects of pesticides on bee behavior.

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.

To bee or not to bee

A new study by University of Missouri and Webster University scientists finds climate change linked to decline of bumblebees in alpine regions. Warming temperatures are creating a longer growing season, allowing lower-elevation bees to migrate to alpine areas, where they struggle to adapt.

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.