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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

Highlights for journalists at ACS Spring 2021 meeting

The ACS Spring 2021 meeting will feature nearly 9,000 presentations on various subjects including COVID-19 lessons learned, health and medicine, renewable energy and fuels, sustainability, and more. Keynote speakers will focus on cutting-edge developments in bio-based plastics, machine biology, and Macromolecular Chemistry.

Celebrating Black chemists and chemical engineers

The American Chemical Society highlights the achievements of Black scientists in chemistry and chemical engineering, including drug discovery, biomedical engineering, and sustainable energy. The special issue showcases their work and calls for greater recognition and inclusion in the science enterprise.

Creating more sustainable fragrances with biotech

Companies are pivoting to biotechnology to manufacture scents and flavors using fermented microbes, which are more sustainable than traditional methods. This approach allows for the creation of new fragrance molecules with consistent flavor and smell, meeting consumer demand and reducing environmental impact.

What the Biden-Harris administration means for chemistry

The Biden-Harris administration aims to create research and development opportunities in clean energy and switch the US to cleaner sources. Climate change policies and updates to regulations will also be prioritized to protect public health from toxic substances. Immigration reform may lead to more scientific collaboration and access f...

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.

How COVID-19 tested and transformed science

The COVID-19 pandemic has accelerated scientific innovation, with scientists working at record speed to develop vaccines, diagnose, and treat the virus. Despite these advances, the pandemic has also raised concerns about public trust in science, exacerbated by mixed messaging and politicization.

A look ahead at the year in chemistry

The American Chemical Society outlines key business and policy issues in chemistry for 2021, with a focus on climate goals and the impact of open access publishing. The organization also notes that chemical firms are looking to bounce back from the COVID-19 pandemic and manufacturers will remain busy producing COVID-19 vaccines.

A better pen-and-ink system for drawing flexible circuits

Scientists have developed inexpensive conductive inks for clog-free ballpoint pens that can draw flexible electronic circuits on a variety of textures and even rough or irregular surfaces. The new ink composition provides stable and smooth writing performance, releasing no harmful gases during use.

The biggest chemistry stories of 2020

The novel coronavirus was a major focus of chemistry research in 2020, with thousands of papers published on mask efficacy, disinfectants and virus transmission. Other notable topics included new insights into planetary atmospheres and the impact of climate change on wildfires.

An eventful year in pharma

The pharmaceutical industry made significant strides in 2020, developing tests, therapeutics, and vaccines to combat COVID-19. Companies like Eli Lilly and Regeneron led the way in making antibody therapies, while Moderna used messenger RNA to develop a potential vaccine with promising early trial data.

Apple iPhone 17 Pro

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

Jin Kim Montclare named a fellow of the National Academy of Inventors

Jin Kim Montclare, a professor at NYU Tandon, has been named a Fellow of the National Academy of Inventors for her groundbreaking research on engineered proteins. Her work has led to breakthroughs in removing pesticides from crops and developing novel protein-based delivery systems for cancer treatment.

Ten chemistry start-ups to watch

The American Chemical Society has unveiled its annual list of 10 promising chemistry start-ups, focusing on innovative solutions for drug discovery, waste recycling, sustainable materials, and quantum computing. Companies like Aryballe and Evrnu are developing groundbreaking technologies to address pressing global challenges.

The persistent problem of 1,4-dioxane in water

The US EPA has listed 1,4-dioxane as a likely carcinogen due to its persistence in water. Advanced oxidation processes can remove it, but are expensive and energy-intensive. Communities using wells for public drinking water are especially prone to contamination.

A campus COVID-19 success story

The University of Illinois at Urbana-Champaign implemented a campus-wide COVID-19 screening program called Shield, which processes over 10,000 saliva tests each day. The program's success led to the creation of a statewide Shield-Illinois and has inspired governments to establish similar programs.

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.

The chemistry behind self-driving cars

A new article explains how chemistry can help develop materials necessary for fully autonomous vehicles, including efficient batteries and structural materials. Safety features such as sensors and nonstick coatings are also crucial to reducing maintenance and enhancing safety.

In pursuit of alternative pesticides

Scientists are developing safer alternatives to chlorpyrifos, a widely used insecticide linked to human health problems and environmental damage. Researchers are testing biodegradable hydrogel beads, targeted soil treatments, and root-based applications to minimize exposure in agricultural workers.

Companies bet big on chemical plastic recycling

Industry is shifting towards chemical recycling as a solution to tackle the problem of plastics, breaking down them into their building blocks. The process has environmental benefits but also raises concerns about reducing plastic consumption and increasing disposable packaging production.

Pandemic provides unique opportunity for atmospheric chemists

A global decrease in emissions led to a sudden increase in data collection opportunities for atmospheric researchers, allowing them to study pollution in real-time. This data could help address climate change and air quality problems by informing policymakers on the impact of climate-friendly legislation.

Creating 'green' protein from the air

Gas-to-protein technology uses bacteria to ferment gases, producing up to 70% protein-rich biomass that can reduce greenhouse gas emissions. This process has the potential to transform agriculture and food production, making it a game-changer for sustainable food options.

Meta Quest 3 512GB

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

Lessons learned from Deepwater Horizon

Scientists studied the Deepwater Horizon spill's environmental and public health impacts, learning about dispersant effectiveness, oil degradation and marine life harm. Dispersants' benefits include reducing coastal ecosystem damage, but their chemical effects on marine life remain a concern.

Making dog food more delectable by analyzing aromas

Scientists analyzed six dog foods and found that certain aroma compounds, including (E)-2-hexenal, 2-furfurylthiol, and 4-methyl-5-thiazoleethanol, were correlated with increased canine intake. These findings could help dog food manufacturers create more appealing kibble.

Sampling the gut microbiome with an ingestible pill

Scientists have created an ingestible capsule that captures bacteria and biological samples from the gut while passing through the gastrointestinal tract. The device, which doesn't cause inflammation or toxicity, can be triggered over a range of pH to deliver biologics, providing insight into associated GI disease progression.

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.

Cultivating Black chemists

HBCUs graduate more successful Black chemists than other schools due to their supportive faculty, rigorous curriculum, and diverse environment. However, HBCUs face limitations in funding and faculty burden, which can impact publication and collaboration.

American Chemical Society Fall 2020 Virtual Meeting Press Conference Schedule

Scientists present research on negative side effects of opioids influenced by the immune system, a new type of immunotherapy extending survival in mouse models of breast cancer, detectable micro- and nanoplastics in human tissues, interactions between ocean microbes and pollution influencing climate, bio-based communication networks co...

Pothole repair made eco-friendly using grit from wastewater treatment

Researchers develop a ceramic mortar called grit-assisted patch (GAP) that can be used to fill in potholes without polluting the environment. GAP is made from wastewater treatment grit and has shown comparable compressive strength to traditional asphalt, making it a potentially superior alternative.

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.

How sour beer gets so... sour (video)

Researchers analyze how acids and other compounds contribute to sour beer's unique taste, with findings that could help brewers gain more control over the flavor. The study uses NMR spectroscopy and mass spectrometry to track changes in organic acids and identify trace compounds that influence flavor.

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.

Consumers, quats and COVID-19: Are disinfectant products safe?

Quat-containing disinfectants have raised concerns over potential toxicity, with links to fertility and developmental problems found in animal and cell experiments. However, industry experts argue that skin irritation is the biggest concern, and typical exposures in people are unlikely to pose significant health risks.

C&EN names top 50 chemical companies

The American Chemical Society names BASF the number one chemical company for 2019, followed by Sinopec and Dow/DuPont, in its annual Global Top 50 list. The report shows a decline in earnings due to trade tensions and poor automotive performance.

American Chemical Society Fall 2020 Virtual Meeting

The American Chemical Society Fall 2020 Virtual Meeting will take place online from August 17-20, with thousands of scientists and experts presenting on diverse fields including food, medicine, energy, and the environment. Journalists may apply for press credentials to access press conferences and embargoed press releases.

Scientists race to develop an effective COVID-19 vaccine

Researchers are working on experimental gene-based vaccines using harmless viruses or DNA/RNA to deliver genetic information to human cells. The technology is fast but largely unproven, and concerns remain about neutralization levels and safety. Multiple types of vaccines will likely be needed to ensure effective immunity.

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.

Biobased chemicals take center stage

Biobased chemicals are being developed to replace petroleum-based products in various industries, including diapers, electronics, and automotive coatings. These new materials offer improved performance and sustainability, with potential applications in areas such as electronic touchscreen displays and emission-reducing coatings.

Plastics markets adapt in the age of COVID-19

The COVID-19 pandemic has led to increased demand for plastics in medical equipment and PPE production. Companies have pivoted to meet this demand, while also adapting their procedures to ensure worker safety.

Benefits of convalescent plasma for COVID-19 are still unclear

Despite anecdotal evidence, scientists lack conclusive data on convalescent plasma's benefits for COVID-19 patients. The use of convalescent plasma has been explored in previous outbreaks, but well-designed clinical trials are now underway to test its efficacy.

Exploring the neurological impact of air pollution

Researchers find air pollution can alter social behaviors in mice, causing inflammation that damages healthy tissues. Chronic exposure to particulate matter is also associated with boosted production of amyloid plaques, a key feature of Alzheimer's disease.

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.

Going nuclear on the moon and Mars

Nuclear fission reactors are being considered as top candidates to generate electricity in space due to their reliability and capacity. The technology has been tested and could provide a power source for several years, making it an attractive option for lunar and Martian settlements.

Chemistry job seekers face tough outlook during pandemic

The COVID-19 pandemic is disrupting the chemistry industry, with academic jobs facing hiring freezes and reduced pay. Despite this, certain sectors like pharmaceuticals and biotechnology are experiencing increased demand and hiring opportunities.

NMR confirms molecular switches retain function in 2D-array

Researchers from IOCB Prague synthesized regular 2D assemblies of isotopically labelled molecular switches, measuring their isomerization properties. The team found that formation of the assembly does not compromise the photochemical switching properties of the embedded molecules.

Transporting energy through a single molecular nanowire

Researchers have discovered that single molecular nanowires outperform bundles in transporting energy with minimal losses. Coherence, which enables delocalized energy movement across multiple molecules, is lost in bundled fibers due to strain, hindering efficient energy transfer.

Unveiling the structure of SARS-CoV-2

Structural biologists successfully modeled the novel coronavirus' vital proteins, which could lead to therapeutic breakthroughs. Advances in technology and expertise from similar coronaviruses enabled rapid progress in determining protein structures.

Celestron NexStar 8SE Computerized Telescope

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

Computers join the fight against COVID-19

Global efforts to combat COVID-19 involve leveraging computing power and collaboration across disciplines. Researchers worldwide have access to free computing resources through consortia such as Google's cloud services and Oak Ridge National Laboratory's supercomputers.

Chemistry education goes online

Experts emphasize the importance of using accessible technology, maintaining short lecture lengths, and adapting exams to online platforms. Online instructors also share strategies for building rapport with students from a distance, including regular email communication and conversational teaching styles.

'Whiskey webs' are the new 'coffee ring effect'

Researchers discovered web-like patterns in whiskey droplets that can identify different brands of American whiskey, potentially used to detect counterfeits. The unique web patterns arise from the combination of solutes in each whiskey and can be matched with over 90% accuracy.

Trailblazers issue celebrates women entrepreneurs in chemistry

The American Chemical Society is celebrating women entrepreneurs in chemistry with a special issue, featuring 20 female pioneers who have founded companies in biotechnology, solar energy, pharmaceuticals, and more. The Trailblazers issue aims to address the gender gap in funding and promote diversity in the entrepreneurial landscape.

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.

Predicting the year in chemistry

The American Chemical Society forecasts a year marked by environmental improvements, such as reducing plastic use and recycling. Regulatory actions are also expected, including updated chemical risk assessments and classification of PFAS as hazardous materials.

Comparing heirloom and modern wheat effects on gut health

Researchers found that a popular modern variety of wheat does not impair gastrointestinal health in mice compared to heirloom wheat. Heirloom wheat slightly reduced levels of the pro-inflammatory cytokine interleukin-17 and improved gut barrier function, suggesting that modern wheat varieties may be healthier for healthy individuals.

Reflecting on the year in chemistry

The American Chemical Society's Year in Chemistry 2019 special issue features top research trends, including advances in machine-learning, microplastics, and 3-D printing. Experts predict further AI advancements and greener processes for making nitrogen-based compounds and materials in 2020.

Atmospheric chemists move indoors

Atmospheric chemists are cataloging compounds in indoor air, which can react with others to form new molecules. Indoor emissions come from various sources, including stoves, cleaning products, and people's breath, skin, and personal care products.

The good side of carbon monoxide

At low concentrations, carbon monoxide has a beneficial effect by interacting with signaling proteins, suppressing inflammation and protecting tissues from oxidative stress. Researchers are exploring safe and effective delivery methods to harness its therapeutic potential for diseases such as sepsis and cancer.

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.

The smell of old books could help preserve them

Researchers developed an electronic nose that can non-destructively detect odors emitted by books of different paper compositions and ages. The device distinguished between paper from cotton, linen, or wood, as well as identified acidic and yellowing papers.

Ten chemistry start-ups to watch

The American Chemical Society has identified 10 emerging start-ups revolutionizing the field of chemistry, from pharmaceuticals to green chemistry processes. These companies are addressing global issues such as microcontaminant removal, sustainable materials, and climate change.

Will lithium-air batteries ever take flight?

Lithium-air batteries offer a maximum specific energy of 3,460 W h/kg, but scientists need to overcome obstacles such as unstable electrolytes and interference from air pollutants. The technology uses oxygen to oxidize a lithium-metal anode and could be powered by a plane's onboard air storage and filtration systems.

The sweet taste of innovation

A new US food-labeling policy will require packaging to display the amount of added sugars and their daily value. Food companies are developing low- or no-calorie sweeteners, such as allulose, which promises to deliver sugar properties with one-tenth the calories.

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.