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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

The breathtaking dance of plants

Scientists at Norwich BioScience Institutes discovered that plant pores, essential for life and carbon cycles, are evenly spaced due to a specific protein called SPEECHLESS. This protein's activity helps create an even spatial pattern during plant growth, allowing plants to breathe efficiently in different environments.

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.

Switch in cell's 'power plant' declines with age, rejuvenated by drug

Researchers found a protein in mitochondria involved in energy regulation decreases with age, but is increased by losartan treatment, leading to lowered blood pressure and cellular energy usage. This discovery may lead to new treatments for mitochondrial-specific diseases like diabetes, Parkinson's disease, and frailty.

The last 3 million years at a snail's pace

Researchers develop new method to link climatic records with plant and animal responses to climate change, enabling precise dating of archaeological sites. This breakthrough enables detailed analysis of human occupation patterns in Britain during the Ice Age.

Largest-ever map of interactions of plant proteins produced

The largest-ever map of plant protein interactions has been created, covering 6,205 interactions involving 2,774 individual proteins in the model plant Arabidopsis thaliana. The new network map provides insights into protein functions and compositions, and may help advance efforts to improve crop plants.

Plant immunity discovery boosts chances of disease-resistant crops

Researchers have uncovered a huge network of genes that help plants defend against pests and diseases, making it possible to explore new avenues for crop improvement. The study's findings suggest that looking for single genes is not sufficient and instead, breeders should work together to produce plants with robust networks of genes.

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

Scientists map attack tactics of plant pathogens

A new study from the University of North Carolina at Chapel Hill reveals that plant pathogens employ a surprisingly limited number of cellular targets to infect plants. By mapping the interactome for Arabidopsis thaliana, researchers found that these targets are shared among multiple pathogens, suggesting a coordinated attack strategy.

1 more way plants help human health

Researchers have identified a key regulator of the plant's daily growth cycle, which shares similarities with human circadian rhythm genes. This discovery may lead to a better understanding of how clock genes regulate cell division in humans and provide new avenues for developing disease therapies.

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.

TUM researchers discover a new switch in resistance to plant diseases

Researchers at Technical University of Munich (TUM) have identified two proteins in barley that powdery mildew takes advantage of during its attack. The RACB protein, a molecular switch, supports the fungus by increasing plant cell surface area, while MAGAP1 prevents this effect and limits the fungus's entry into plant cells.

Insight into plant behavior could aid quest for efficient biofuels

Researchers at University of Edinburgh discovered tiny seawater algae's survival strategies, which can aid in developing sustainable crops for biofuels and adapting to changing climates. The alga recycles nitrogen from its own body and absorbs alternative nutrients when food sources are scarce.

What makes a plant a plant?

Researchers have identified a list of plant proteins essential for photosynthesis, known as the GreenCut, which is unique to plants and green algae but not found in non-photosynthetic organisms. The study suggests that these proteins play critical roles in regulating metabolism, DNA transcription, and other cellular processes.

AmScope B120C-5M Compound Microscope

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It's not easy being green

Researchers at the Salk Institute identified a signaling molecule called heme that drives expression of photosynthesis-related genes. This discovery may help plants overcome stress and improve growth, leading to increased crop yields and better plant health.

Cola detectives test natural flavoring claims for pricey soft drinks

Cola detectives use protein testing to verify natural ingredients in premium soft drinks, detecting plant proteins in drinks claiming 'organic agave syrup and cola nut extracts'. Coca Cola products, without natural cola extract claims, have no detected protein, giving consumers a certificate of authenticity.

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Starch-controlling gene fuels more protein in soybean plants

Scientists at Iowa State University have introduced a starch-controlling gene into soybean plants, increasing protein content by 30-60%. This discovery holds promise for improving nutrition in areas with protein-deficient diets. The research also sheds light on genes with obscure functionalities and their potential applications.

Rejuvenating electron microscopy

Scientists at UCSD and colleagues create a new type of genetic tag visible under electron microscopy, enabling detailed three-dimensional images of individual cells. The breakthrough enhances electron microscopy capabilities, allowing researchers to visualize proteins in unprecedented detail.

Rejuvenating electron microscopy

UCSD scientists create a new type of genetic tag visible under an electron microscope, allowing for detailed, three-dimensional images of individual cells. The modified protein, dubbed miniSOG, produces abundant singlet oxygen when exposed to blue light, enabling its visualization.

How do plants fight disease?

Researchers have discovered how plant pathogens attack soybeans by reducing isoflavone production. Plants respond with a surge in isoflavone production, sparking a counterattack from the pathogen. This complex interaction may hold key to developing effective disease treatments and preventing crop losses.

Study analyzes role of PARP enzyme in eukaryotes

Researchers analyzed evolutionary history of poly(ADP-ribose)polymerase (PARP) superfamily in eukaryotes, finding ancestral proteins with diverse functions. The study suggests that the PARP superfamily is larger than previously documented and will grow as more eukaryotic genomes become available.

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Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Viruses teach researchers how to protect corn from fungal infection

Researchers at the Donald Danforth Plant Science Center developed a corn variety resistant to fungal infection using a naturally found killer protein made by a virus. The single gene approach offers hope for effective solutions to control other pathogenic fungi and reduce crop losses.

Nailing down a crucial plant signaling system

Researchers fill in a missing gap in the mechanism of how brassinosteroids cause plant genes to be expressed, with implications for agricultural science and evolutionary research. Protein phosphatase 2A (PP2A) is identified as the key component of the signaling pathway.

University of Illinois research makes plant breeding easier

A new molecular tool helps researchers understand the mechanism of RF genes, leading to rapid advancements in plant breeding. This unified nomenclature allows for easy comparison of unknown gene functions to known ones, improving hybrid technology.

CalDigit TS4 Thunderbolt 4 Dock

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Gatekeeper for tomato pollination identified

Scientists at UC Davis have identified a gene called Cullin1 that acts as a biochemical gatekeeper, controlling whether or not pollen from related wild species can fertilize tomatoes. This finding has significant implications for plant breeding and understanding reproductive biology in the Solanaceae family.

Unlocking the secrets of a plant’s light sensitivity

Research from Carnegie Institution for Science reveals that a protein called GATA2 acts as a key link between brassinosteroid and light signaling pathways, controlling plant growth and development. The study found that brassinosteroids dictate the light-sensitivity of plants by regulating the production of a key light-responsive protein.

Evolutionary arms race between smut fungi and maize plants

Scientists have identified new genes in smut fungi that play a crucial role in infecting maize plants. The study reveals an evolutionary arms race between the plant and parasite, with each side developing new molecules to outsmart the other.

Mildew-resistant and infertile

Researchers have discovered two proteins, Feronia and Nortia, crucial for both fertilization and resistance to powdery mildew infections in plants. These proteins, essential for seed formation, also facilitate fungal invasion, making it challenging to breed resistant yet fertile plants.

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Change in temperature uncovers genetic cross talk in plant immunity

Researchers at the University of Missouri discovered a previously unknown level of genetic cross talk between plant proteins that fight off bacterial infections. The study found that certain proteins physically associate, enabling them to communicate danger signals to the cell's nucleus.

Researchers could use plant's light switch to control cells

Researchers have created a novel 'on-off switch' using a plant's light-activated proteins to control cell functions. The blue-light switch has been successfully tested in yeast, mammalian cells and cultured rodent brain tissue, offering a new approach for controlling cell growth, death and delivering medication directly to diseased cells.

Aranet4 Home CO2 Monitor

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100-million-year-old mistake provides snapshot of evolution

Researchers at the University of Leeds discovered a 100-million-year-old gene mutation that led to differences in how plants produce male and female parts. The study found that the mutation, which occurred around 20 million years ago, creates a new role for one of the duplicate genes, enabling it to make both male and female parts.

Alternative fish feeds use less fishmeal and fish oils

USDA researchers are developing new fish feeds with lower levels of fishmeal and fish oil, replacing traditional sources with concentrated plant proteins. The alternative diets show promise in supporting the growing demand for fish as a lean protein source, while promoting sustainability in aquaculture production.

The elusive intermediary

A newly discovered protein, PAM68, is essential for the assembly of Photosystem II in green plants and cyanobacteria. The protein's unique function highlights common features between plant and bacterial photosynthesis.

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Red light regulates nectar secretion

Scientists have discovered that red light influences the regulation of nectar secretion in extrafloral nectaries of plants like Lima beans. This process involves the phytochrome protein and affects the binding of plant hormone jasmonic acid to isoleucine.

Insecticides from genetically modified corn present in adjacent streams

A study by the Cary Institute of Ecosystem Studies reveals that streams in the Midwest are contaminated with insecticidal proteins from genetically modified corn, which can persist in the landscape. The research highlights the need for further investigation into the effects of agricultural practices on freshwater ecosystems.

Celestron NexStar 8SE Computerized Telescope

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

Plants give up some deep secrets of drought resistance

A team of Wisconsin researchers has identified the protein targets in cells of a key hormone that controls how plants respond to environmental stresses such as drought. The study's findings could help underpin the development of new crop plant strains capable of thriving in hotter, dryer climates.

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.

Researchers discover how the storehouses of plant cells are formed

A team of scientists at TUM has discovered a new protein crucial for the formation of plant cell vacuoles, which store vital substances like proteins and pigments. The protein, known as a 'splitting protein', plays a key role in initiating metabolic processes and assigning tasks to proteins.

Cellulose: Hard to digest, but full of energy

Researchers at Max Planck Institute identify CSI1 protein involved in cellulose synthesis, linked to improved cell wall digestibility and energy generation. The discovery aims to increase animal feed efficiency and tap into plant cell walls as a renewable energy source.

Mapping out pathways to better soybeans

Scientists have narrowed down where genes that determine protein and oil content are likely to be found in the soybean genome. Breeders can use these 'signposts' to develop new soybean lines with higher protein and oil levels, enhancing U.S. competitiveness in international markets.

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Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Plants spice up their sex life with defensins

Scientists have found that plants deploy defensin proteins to facilitate the fertilization process, releasing male sperm cells through an explosive mechanism. This groundbreaking discovery provides new insights into the evolution of flowering plants and may lead to breakthroughs in breeding crops with improved fertility.

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.

Protein power for Jack and the beanstalk

Researchers have isolated the ICR1 protein, which influences auxin distribution in plants, allowing breeders to manipulate plant cell wall composition and increase yields for biofuel production. This breakthrough has the potential to make fuel production more cost-effective by reducing lignin content and increasing cellulose levels.

Dietary protein may reduce hip fractures in the elderly

A new study suggests that higher dietary protein intake can lower the risk of hip fractures in elderly individuals. The research, conducted on 946 seniors from the Framingham Osteoporosis Study, found that those consuming more protein had a significantly lower incidence of hip fractures compared to those with lower protein intake.

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Longer-lasting flowers: Fresh ideas from ARS researchers

Researchers have found that spraying low concentrations of a compound known as thidiazuron (TDZ) significantly extends the life of potted plants' leaves and flowers. In tests with greenhouse-grown cyclamen plants, TDZ-treated plants had a longer life than unsprayed plants.

Biologists discover an on/off button on plants' alarm system

Researchers find NINJA protein connects JAZ proteins with TPL, blocking MYC2 activation and triggering defense mechanism. The discovery sheds light on the link between growth and stress in plants, revealing a complex molecular mechanism for regulating gene expression.