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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

Scientists sniff out female mouse scents that make males frisky

Researchers identified two chemical scents in female mouse urine that arouse sexual behavior in males, providing insight into mouse pheromones controlling behavior. The chemicals, waste products of steroid metabolism, were found to mimic the increased interest shown by males towards female urine.

Bees to scientists: 'We're more complicated than you think'

A new study refutes the idea that a single group of chemicals controls reproduction across numerous social insect species, suggesting pheromones evolved uniquely in different species. The researchers found no effect on egg production, but ovary regression was positively correlated with time to egg laying.

Apple iPhone 17 Pro

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

A sex pheromone assembly line in Manduca sexta

A team of scientists discovered a new evolutionary mechanism in Manduca sexta moths, where a single amino acid change in an enzyme switches the production of pheromone precursors from mono- to tri-unsaturated compounds. This change is responsible for the evolution of new insect species and divergent pheromone communication.

Fruit fly pheromone flags great real estate for starting a family

Male fruit flies release a specific pheromone, 9-tricosene, that attracts females to lay eggs near food sources. This discovery sheds light on how flies navigate complex environments using odorants, and its potential application in controlling mosquito-borne diseases like malaria.

When it comes to body odor, ants are connoisseurs

Researchers discovered ants can detect subtle hydrocarbon components in body odor, allowing them to recognize individuals and distinguish between castes. This remarkable ability enables social insects to maintain complex colonies.

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.

Male black widow spiders destroy female's web to deter rivals

In a surprising display of courtship behavior, male black widow spiders destroy large sections of the female's web and wrap it up in their own silk. This home-wrecking behavior makes the web less attractive to rival males, potentially protecting the female from harassment and allowing her to focus on parenting.

How longhorned beetles find Mr. Right

Beetle species segregate mating activity by time of day and seasonal changes, allowing females to choose mate from specific species. This discovery provides a framework for understanding how insects produce separate signals with the same pheromone.

One simple molecule regulates sexual behavior in Drosophila

Researchers have identified a relatively simple molecule called methyl laurate that regulates complex mating behavior in vinegar flies. Methyl laurate is detected by specific neurons and triggers courtship behavior in males, while also activating circuits involved in aggregation.

Delicate magnolia scent activates human pheromone receptor

Researchers at Ruhr-University Bochum discovered that Hedione, a magnolia scent molecule, activates the human pheromone receptor VN1R1, triggering sex-specific brain activities. This effect differs from traditional olfactory perception and may be related to the release of sex hormones.

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.

SFU scientists help put bedbugs to bed forever

Researchers at Simon Fraser University have created a highly effective and affordable bait and trap for detecting and monitoring bedbug infestations. The innovative technology uses pheromones to lure bedbugs into traps, keeping them contained.

Ready for mating at the right time

Scientists at Max Planck Institute identified pheromone in male Mozambique tilapia urine that boosts hormone production and accelerates oocyte maturation in females, triggering spawning. The discovery may help optimize aquaculture of food fish and control invasive species behavior.

Fluke 87V Industrial Digital Multimeter

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

It takes two to court

Stowers researchers identified two classes of pheromone receptors that help male mice detect female presence and ovulation, essential for triggering the mating process. The findings provide new insight into how the mammalian brain processes sensory information like pheromones to elicit courtship behaviors.

Male goat essence really turns the females on

A team of researchers has discovered a novel, citrus-scented pheromone in the essence of male goats that acts on female brains to turn their reproductive systems on. The study, published in Current Biology, identifies 4-ethyloctanal as the key ingredient with this effect.

Researchers trap moths with plant-produced sex pheromone

Researchers have developed a method of insect control using plants that emit sex pheromones mimicking those naturally produced by moths. The study, published in Nature Communications, shows that plants can be engineered to produce these pheromones, attracting male moths and effectively trapping them.

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.

Asian longhorned beetles pheromone could be used to manage pest

Researchers discovered a female-specific pheromone that attracts males but repels virgin females, which could lead to managing the invasive Asian longhorned beetle. The team also found that sexually mature females continue to produce this pheromone after mating, potentially benefiting both sexes.

Novel 'attract-and-kill' approach could help tackle Argentine ants

Entomologists at UC Riverside have created a novel technique that combines synthetic pheromone with insecticide sprays to effectively control Argentine ant colonies. The 'attract-and-kill' approach resulted in a 57-142% increase in kill rate, making it an economically viable alternative for urban pest management.

Trapping insects by color: Will it work in Montana?

A new study tests the effectiveness of color-based traps against major pests in Montana, finding that red and green traps are most effective. The researchers also discovered that insects use chromatic cues to identify colors and will pursue further studies on this topic.

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.

Fruit flies with better sex lives live longer

Male fruit flies that expect sex but don't receive it experience rapid decreases in fat stores, resistance to starvation, and more stress. Mating partially reverses the negative effects on health and aging. The study provides new insights into how sensory perception and physiological state are integrated in the brain.

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.

Promiscuous mouse moms bear sexier sons

Researchers found that female mice who competed socially for mates produce more urinary pheromones, making their sons more attractive to females. However, this increased attractiveness comes at a cost, as the sons have shorter lifespans due to the energy-intensive production of pheromones.

Bait research focused on outsmarting destructive beetle

A new study from the University of Alberta has identified key tree chemical compounds that play critical roles in the beetle's pheromone production and attraction. The research reveals that adding a volatile tree chemical to bait can increase beetle capture rates, providing hope for quicker monitoring and early detection of infestations.

Queen bee's honesty is the best policy for reproduction signals

Researchers found that queen bees signal detailed information about their mating state and reproductive quality to workers, influencing colony dynamics. This honest communication may help explain the rapid rates of queen loss and turnover reported by beekeepers.

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.

Tears for fears

Scientists have identified a protective pheromone, ESP22, in the tears of young mice that blocks adult mating behavior. This discovery provides insight into how sensory systems regulate social behavior and could lead to a better understanding of human behaviors.

Love at first sniff: Male moths go by first impressions

Researchers found that male moths lose the ability to measure pheromone blend ratios as they fly upwind, leading them to rely on their initial impression. This allows males to mate with females of different strains, resulting in hybrid moth populations.

Towards a new moth perfume

Researchers from Lund University have identified a single gene mutation that produces an entirely new scent in moths. This breakthrough could lead to more efficient and environmentally friendly pest control methods.

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.

Finding 'Mr. Right,' how insects sniff out the perfect mate

Researchers discovered that one wasp species uses a novel third ingredient in its sex pheromone, which is recognized by females only when combined with two original scents. This adaptation allows females to distinguish their own species from others, preventing costly interbreeding.

Studying bed bug actions for new management tactics

Researchers have identified two alarm pheromones and 17 compounds in the outer protective layer of bed bug skin, which may play an important role in aggregation behavior. These findings suggest that alarm pheromones could be used to increase the likelihood of bed bugs coming into contact with control agents.

Insect drives robot to track down smells

A small robot was driven by a male silkmoth to track down its sex pheromone, demonstrating the potential for insect-inspired odor tracking. The researchers hope to apply this technology to autonomous robots that can detect environmental spills and leaks.

Combating USDA's top-ranked invasive insect

The US Department of Agriculture is working on a biocontrol method for the brown marmorated stink bug, which has caused significant damage in homes and gardens. Researchers have identified an aggregation pheromone that attracts males, females, and nymphs to feeding sites.

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.

Pheromone helps mice remember where to find a mate

Scientists at the University of Liverpool found that male mice produce pheromone darcin, which provokes females and competitor males to remember a preference for its location. This allows them to recall sites with high concentrations of the scent, even after multiple encounters.

Babies learn the smell of mum

Researchers show that newborn mice learn to suckle their mother's milk through a learned response built on learning her unique combination of smells. The study, published in Current Biology, finds that a pheromone is not involved in initiating suckling in mice.

Newborn mice depend on mom's signature scent

Researchers found that newborn mice depend on the specific blend of scents emitted by their mothers, which is distinct from earlier studies in rabbits. This discovery suggests that innate behaviors like suckling may involve learning rather than hardwired instincts.

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.

Trapping weevils and saving monarchs

Researchers discovered a pheromone formula that attracts milkweed stem weevils, four times more than boll weevils, in Texas traps. This finding could help conserve rare milkweed types and monitor monarch butterfly populations.

The scent of love: Decomposition and male sex pheromones

A new study found that female hide beetles (Dermestes maculatus) are attracted to cadavers by a combination of cadaver odour and male sex pheromones. The females only respond when both the odor and pheromones are present, optimizing their chances of reproductive success.

Smell the potassium

Researchers found two new potassium channels, SK3 and GIRK, that activate the vomeronasal organ's pheromone detection, overriding previous theories on sensory neuron function. The discovery provides clues to innate behaviors in humans and challenges existing knowledge on the VNO's role.

Virgin male moths think they're hot when they're not

A University of Utah study found that virgin male moths quickly warm up after smelling female sex attractant, leading to premature takeoff. This behavior may compromise flight power and reduce chances of reaching females. Researchers are studying how odors influence moth behavior, which is critical for understanding insect biology.

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.

Fruit flies drawn to the sweet smell of youth

Researchers at Baylor College of Medicine and the University of Michigan have discovered that fruit flies' pheromones affect their sexual attractiveness differently as they age. In a study, male flies preferred younger females with more attractive pheromones.

The power of estrogen -- male snakes attract other males

A study found that boosting male garter snake estrogen levels causes them to secrete the same pheromones as females, attracting multiple males. The research confirms estrogen's powerful role in biology and has implications for environmental impact.

Cockroach hookup signal could benefit endangered woodpecker

A unique chemical composition of a cockroach signal, emitting a sex pheromone, could help determine habitat suitability for an endangered woodpecker. The synthetic pheromone attracts large numbers of adult male cockroaches, suggesting that the area could be a suitable home for the red-cockaded woodpecker.

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.

Repulsive smell could combat bed bugs

Researchers from Lund University and Mid Sweden University have identified a type of smell produced by bed bugs, known as alarm pheromones, which is repulsive to nymphs and potentially useful for controlling the pests. The study's findings suggest that the smells given off by adult and nymph bed bugs are surprisingly similar.

Pheromone increases foraging honey bees, leads to healthier hives

A new study by Oregon State University researchers found that applying a naturally occurring pheromone to honey bee test colonies increased colony growth and led to healthier hives. The optimal dose of brood pheromone stimulates foragers to collect more pollen, supporting better nutrition within the colony.

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.

When nature calls

Researchers at Texas A&M University found that male swordtail fish strategically release pheromone-packed urine in the presence of females as a display of courtship. The study, published in PLOS ONE, challenges previous assumptions about passive pheromone release in fish.

Orchid tricks hoverflies

The Eastern marsh helleborine orchid produces alarm substances that mimic aphid pheromones, attracting five species of hoverflies. Hoverfly females lay eggs in the flower, which also provides a small amount of nectar as a reward.