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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

Even boneless insects have an endocrine system for calcium control

Researchers at the University of Tsukuba identified a peptide hormone called Capa that regulates calcium levels in fruit flies. The study found that Capa is secreted by specific neurons and acts on organs similar to vertebrate kidneys to mobilize calcium from stored reserves.

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.

Shaping the future of diabetes treatment with 3D biorinting technology

A team of scientists has successfully developed a novel platform for diabetes treatment utilizing bioink derived from pancreatic tissue and 3D bioprinting technology. The HICA-V platform replicates the structure and function of the human endocrine pancreas, supporting islet maturation and functional enhancement.

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.

Keto diet, supplements may restart stalled menstruation

A study found that increasing ketones through a keto diet or supplements can change menstrual frequency and intensity in pre-menopausal women. The research suggests that the presence of ketones, rather than weight loss, may regulate women's health.

Role of bitter polyphenols in the regulation of blood sugar

Researchers find that unabsorbed dietary polyphenols can reduce the risk of type II diabetes by regulating blood glucose levels and appetite through secretion of gastrointestinal hormones. Polyphenol-mediated binding and activation of T2R promotes the release of incretins, which regulate insulin secretion and food intake.

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

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.

Towards rapid tissue regeneration

Researchers at DTU Health Tech created a multi-levelled scaffold that enables near-perfect bone healing in just eight weeks, without using growth factors or endocrine factors and cells. The scaffold combines essential bone minerals with mechanical properties matching human bone compressive strength.

Meta Quest 3 512GB

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

Does hormone mediate talk between brain and bones?

Researchers have found that the subfornical organ senses circulating parathyroid hormone (PTH) and modulates its peripheral level. PTH then alters bone metabolism and remodeling, highlighting a critical role of the brain-parathyroid-bone axis in maintaining bone homeostasis.

Mouse study hints at specific brain receptor behind PCOS symptoms

A mouse study suggests that a specific brain receptor, the leptin receptor, may be involved in the development of PCOS symptoms. Researchers found that mice exposed to excess androgens prenatally had improved estrous cycles and regulation of their menstrual cycles, offering potential therapeutic targets for people with PCOS.

How an autism gene contributes to infertility

A UC Riverside study identifies how a Fragile X gene mutation contributes to premature ovarian failure, leading to early infertility. Researchers found that the mutation affects neurons regulating reproduction in the brain and ovaries, causing an increase in hormone production and faster secretion rates.

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DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Cited1 links sex and metabolic hormones to protect against obesity

Researchers at Helmholtz Munich discovered a new protein called Cited1 that plays a crucial role in regulating energy homeostasis and sensitivity to satiety hormones. The study found that females are better protected against obesity due to their higher levels of estrogens, which regulate energy metabolism through the hypothalamus.

How is puberty onset developmentally programmed?

Research reveals TBX3 as a fate determinant controlling hypothalamic KNDy neuron development and puberty onset. Multiple TBX3 mutants fail to form phase-separated condensates, leading to delayed puberty in UMS patients.

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.

Hormone protects against development of fatty liver

A study found that leptin stimulates liver fat export and lowers liver fat content in healthy men, suggesting a new approach for treating fatty liver disease. The findings imply that the brain plays a role in liver fat metabolism via the autonomic nervous system, opening up potential new treatment options.

Long COVID Case Study: Recovery process for impaired hormone secretion

A recent case study at Kobe University reports a 15-month recovery process for a patient with impaired ACTH secretion due to COVID-19. The research team successfully restored hormone levels through ACTH replacement therapy, and the patient's condition improved significantly after one year and a half.

Harnessing intestinal cells to treat endocrine disorders?

Researchers at Boston Children's Hospital have developed an organoid platform that identifies drugs that enhance enteroendocrine cell action, potentially reversing diabetes, obesity and gastrointestinal conditions. The system identified three chemicals that drive the formation of EE cells and hormone production.

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.

Study finds access to specialists in Affordable Care Act plans may be inadequate

A recent study found nearly 15% of ACA marketplace plans lack in-network specialists for at least one specialty. This inadequate coverage can lead to high out-of-pocket costs and adverse selection. The study highlights the need to enhance enforcement or update insurance regulations to improve patient access to affordable care.

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.

Tobacco industry weakened pesticide regulations, UCSF study shows

A new study by UCSF researchers found that the tobacco industry secretly influenced pesticide regulations at the EPA and World Health Organization. The study analyzed internal tobacco company documents and discovered that the industry hired ex-agents to manipulate decision-making, staged a useless test on phosphine emissions, and conce...

APS announces its 2003 Distinguished Lectureships

The American Physiological Society recognized 12 prominent researchers with its 2003 Distinguished Lectureships, honoring their groundbreaking contributions to physiology. The awardees delivered lectures on April 11-14, 2003, at the Experimental Biology meeting.

APS announces its 2002 Distinguished Lectureships

This year, APS awarded several prestigious lectureships to outstanding researchers in physiology. The award winners include Allen Cowley, Pontus Persson, Adrian Morrison, and Albert Bennett, who will present their research on various topics including genomics, cardiovascular function, biomedical ethics, and more.

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.