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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

Widely used filtering material adds arsenic to beers

Researchers found that kieselguhr, a common filtering material in beer production, releases arsenic into the beverage. The levels of arsenic are considered low and unlikely to cause illness, but the study highlights the need for breweries to take precautions when using this substance.

First tests of old patent medicine remedies from a museum collection

Scientists analyzed patent medicines from the Henry Ford Museum collection to identify potentially toxic substances like arsenic, mercury and lead. The study found that some ingredients were actually healthy and mainstays in modern dietary supplements, while others posed significant health risks.

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.

Communicating the science of the '6X°C egg' -- and much more

A researcher debunks the myth that temperature alone determines perfect eggs, highlighting the importance of cooking time. He also discusses how scientific misconceptions in cooking can be clarified through research, promoting a better understanding of chemistry and its applications.

Reducing waste of food: A key element in feeding billions more people

Reducing food waste is vital to feed a global population of 9 billion by 2050. Scientists estimate that up to half of the food harvested from farmers' fields in developing countries is lost due to spoilage and pests. In developed countries, households throw away about 4 out of every 10 pounds of food produced each year.

Anxiety about retirement -- for aging nuclear power plants

Decommissioning of aging nuclear power plants in the US is a long, complex process with significant financial implications. The average age of the 104 nukes in the country is just 34 years, prompting concerns about the costs and safety of decommissioning these facilities.

The hunt for a successor to lithium for bipolar disorder

Researchers are exploring how lithium works in the body to develop a safer medication for treating bipolar disorder. They aim to create a second-generation successor without lithium's drawbacks, such as thyroid problems and kidney failure.

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.

How science debunked the ancient Aztec crystal skull hoax

The American Chemical Society reveals that quartz-crystal skulls, once believed to be ancient relics, are actually post-Columbian fakes created in the 1860s. Experts used scientific instruments to expose their authenticity, tracing back to French dealer Eugène Boban who sparked public fascination with the fakes

Resurrection of 3-billion-year-old antibiotic-resistance proteins

Researchers have successfully revived ancient enzymes that enable antibiotic-resistant bacteria to thrive. The 2-3 billion-year-old proteins were reconstructed and studied for their stability, structure, and function, offering insights into the evolution of antibiotic resistance.

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.

Using millions of gigs of data to improve human health

The National Institutes of Health is launching a $700 million project to develop a common data-sharing framework for biomedical research. This framework aims to integrate millions of gigabytes of data from various disciplines, enabling researchers to tap into a gold mine of information and improve disease treatment and cure rates.

Valentine's Day tales of romance and chemistry

A study found that nearly half of online Viagra samples contained only 30-50% active pharmaceutical ingredient. Meanwhile, bedbugs produce a foul odor during mating attempts to deter unwanted advances.

Opera's poisons and potions connect students with chemistry

This article from ACS' Journal of Chemical Education explores the real chemistry behind famous opera plots, including poisonous snake bites and deadly venoms. The author highlights several examples of operatic themes involving chemistry that can be used as a teaching tool for students and the general public.

Apple iPhone 17 Pro

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

A new genre of 'intelligent' micro- and nanomotors

Researchers have successfully created single-molecule 'intelligent' motors powered by common enzymes, catalase and urease. These motors can generate force and move in specific directions, even at the nanoscale, with implications for applications in medicine, engineering, and more.

The pros and cons of 'ecolabels' in cleaning products

The use of ecolabels in cleaning products is a topic of debate, with supporters arguing they inform consumers about product sustainability, while opponents claim they can be confusing. The American Chemical Society explores the pros and cons of these environmental certification seals in its latest cover story.

Fluke 87V Industrial Digital Multimeter

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

New surfaces repel most known liquids

Researchers have created 'superomniphobic' surfaces that can resist a wide range of liquids, including both Newtonian and non-Newtonian fluids. These surfaces will have numerous applications, such as stain-free clothing, spill-resistant protective wear, and corrosion-resistant coatings.

Sustainable way to make a prized fragrance ingredient

Researchers create large-scale production method for sclareol, a prized fragrance ingredient, using bacterial cultures and Clary sage plant DNA. The new technology provides a more sustainable alternative to natural ambergris, which is scarce and expensive.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

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.

UN meeting this week to extend greenhouse gas treaty

Global negotiators gather in Qatar to work on an amendment that would create a second round of emissions cuts for certain industrialized nations, starting in 2013. The effort aims to extend international momentum to act on climate change after the Kyoto agreement expires this year.

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 model reveals how huddling penguins share heat fairly

Researchers created a model of penguin huddles that assumes each penguin aims to minimize its own heat loss, surprisingly revealing an equitable sharing of heat. The study found that even in self-centered behavior, the system relies on others for shelter, leading to fair outcomes.

You can be a star -- on science's stage

The growth of citizen science has led to a surge in public involvement in scientific research, with over 25 NSF-funded projects now underway. Chemistry projects, such as Curating ChemSpider or monitoring water quality, allow hobbyists and enthusiasts to contribute to groundbreaking research.

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.

Cleaner fracking

New water treatment firms are developing chemical treatments and evaporators to remove contaminants from fracking wastewater, which can then be reused. The cost of disposal is spurring oil and gas companies to adopt these technologies, limiting the amount of contaminated water that reaches people, plants, and animals.

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.

A birth control pill for men? When?

Despite the need for a male version of the oral contraceptive pill, pharmaceutical companies have discontinued research due to significant challenges. New research on non-hormonal male contraceptives offers hope for the development of a male birth control pill within a decade.

'Sweet' chemicals from a 'green' raw material

The biobased chemical industry is transitioning towards producing ingredients sold to companies making medicines, detergents, and plastics from basic compounds made from sugar. Six companies have already opened manufacturing plants or will soon, with plans for three more by next year.

Forensic science on trial

The Innocence Project has helped free nearly 300 wrongfully convicted prisoners due to improper use of forensic science. Improved sensitivity in DNA testing has highlighted issues of cross-contamination, affecting accuracy.

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.

London Olympics anti-doping labs set for first-of-a-kind repurposing

The London 2012 Olympics anti-doping center will be converted into a national phenome center, measuring the chemistry of individuals to better understand disease causes and develop new treatment methods. This project aims to create publicly and privately funded labs combining analytical science, epidemiology, and clinical expertise.

A new approach for controlling the skyrocketing cost of health care

Next-generation diagnostic tests can identify specific diseases and determine if chemotherapy is working, enabling doctors to make better treatment decisions. These tests could reduce unnecessary procedures, prescriptions, and hospital stays, ultimately saving the US healthcare system billions of dollars annually.

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.

Biorefinery makes use of every bit of a soybean

The new soybean biorefinery technology can utilize essentially every component of the soybean to produce bio-based ingredients for high-value products. This approach aims to reduce dependence on petroleum as a feedstock and increases the value of local economies.

First identification of a strong oral carcinogen in smokeless tobacco

Scientists have identified (S)-NNN as a strong oral carcinogen in smokeless tobacco, found to induce large numbers of oral and esophageal tumors in laboratory rats. The US government is urged to regulate or ban the substance to protect the health of the 9 million US users of chewing tobacco and snuff products.

Meta Quest 3 512GB

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

Communicating controversial science: A symposium honoring Rudy M. Baum

Rudy M. Baum's thought-provoking editorials tackled global climate change, population growth, and human rights, challenging the scientific community to think deeply about these issues. The symposium featuring eminent scientists and policy experts aimed to continue his legacy of sparking meaningful discourse on contentious science topics.

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.

Eating cool: What to eat to beat the heat

The American Chemical Society shares expert insights on how certain foods, like chili peppers and ice cream, can actually make you feel hotter. Researchers will discuss counter-intuitive ways to cool down with food during a special briefing.

'CSI' technology holds potential in everyday medicine

A new mass spectrometer, DESI, is being used in real-world medicine to analyze fingerprints, detect pesticides, and identify biomarkers for prostate cancer. The device can also aid in brain cancer surgery by analyzing tissue samples and determining tumor type and stage.

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.

In your future: More healthful foods to nourish the non-human you

Researchers are developing new prebiotic ingredients to support the growth of beneficial gut bacteria. Studies show that consuming more prebiotics can improve gut balance and lead to various health benefits, particularly for individuals with gastrointestinal diseases, Type-2 diabetes, and low-grade inflammation.

Celebrating the Silver Anniversary of National Chemistry Week

The American Chemical Society is honoring the 25th anniversary of National Chemistry Week with a symposium. The event aims to promote awareness of chemistry's value in everyday life through hands-on science events and demonstrations. The week-long celebration will feature presentations by prominent chemists, including ACS President Bas...