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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

UTSW study unlocks origin of brown fat cells important in weight maintenance

Researchers at UT Southwestern Medical Center discovered that brown fat cells are generated through new cell formation rather than converting white fat cells. This finding could lead to therapeutic strategies to activate precursor cells to produce more brown fat cells for weight management and related diseases.

Epigenetic changes to fat cells following exercise

Research found epigenetic changes in fat cells after exercise, influencing genes linked to type 2 diabetes and obesity. The study provides new insights into the mechanisms of how physical activity affects disease risk.

Some like it hot: The role of heat in sea lampreys' sex lives

Researchers discovered a thermogenic secondary sexual character in male sea lampreys, producing heat through a rare type of fat. The 'rope tissue' plays a crucial role in courtship and mating, making it an essential component of the species' reproductive behavior.

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

Sea lampreys turning up the heat

Researchers discovered a fat cell near male sea lampreys' dorsal fin produces heat when approached by females, a previously unknown mechanism in spawning. This finding sheds new light on the invasive species' biology and may help reduce its numbers or eliminate it from the Great Lakes.

AmScope B120C-5M Compound Microscope

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Conversion from bad fat to good fat

Scientists at ETH Zurich demonstrated that white and brown fat cells can convert into each other, challenging current beliefs. This interconversion process is likely to occur in humans as well, offering a novel strategy for treating obesity by promoting brown fat formation.

Fat cells prolong survival of human stem cells grown in vitro

Researchers found that human hematopoietic stem cells can survive for longer periods when cultured with a feeder layer of adipocytes, or fat cells. The study demonstrates the potential for using fat cells to extend the lifespan of hHSCs in vitro, which could be crucial for developing advanced cell 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.

Knowing how brown fat cells develop may help fight obesity

Researchers have discovered that a protein switch called Ebf2 determines the development of brown fat cells, which are thought to counteract obesity by burning excess energy. The study found that Ebf2 regulates the binding activity of PPAR-gamma, a protein that regulates differentiation of developing cell types.

Long noncoding RNAs control development of fat cells

Researchers at Whitehead Institute have identified long noncoding RNAs as essential regulators of white fat cell development, which can lead to obesity. The study found that knocking down specific lncRNAs reduced the formation of lipid droplets in fat cells.

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SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

It's not just what you eat, but when you eat it

A new study by University of Pennsylvania researchers found that deleting the Arntl clock gene in fat cells causes mice to become obese due to a shift in eating timing. Supplementing with fish oil-like fatty acids can rescue this phenotype.

Embargoed news from Annals of Internal Medicine

A recent study found that short-term sleep deprivation significantly decreases insulin sensitivity in fat cells, a key finding with implications for metabolic disorders. The researchers also discovered that regular sleep deprivation may lead to metabolic problems such as diabetes and obesity over time.

Even your fat cells need sleep, according to new research

Researchers at the University of Chicago Medical Center discovered that not getting enough sleep has a harmful impact on fat cells, reducing their ability to respond to insulin. This finding suggests that sleep plays a crucial role in energy metabolism, comparable to its role in brain function.

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.

Study in mice discovers injection of heat-generating cells reduces belly fat

Researchers discovered that injecting heat-generating cells into mice reduced visceral fat by 20% and converted existing belly fat cells into thermogenic cells. The study suggests a potential new therapy for obesity, targeting patients with aging-related visceral fat accumulation and those who cannot exercise or reduce calorie intake.

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How 'beige' fat makes the pounds melt away

Scientists have decoded signals that boost the burning of fat, focusing on the conversion of white fat cells into beige fat cells. Beige fat cells are efficient at converting energy from food into heat and can form from white fat cells.

JCI early table of contents for Aug. 6, 2012

Researchers found that CCR9 is abundant in early stage colon cancer but lacks in invasive and metastatic cancer, suggesting its role in reducing cancer spread. Activation of NOTCH promotes degradation of CCR9, inhibiting the chemokine-induced signaling pathway.

New target for treating diabetes and obesity

Researchers found that disabling a protein called FAS reduces white fat stores, allowing brown fat to thrive and burn more energy. Inhibiting PexRAP also shows promise as a potential treatment strategy for obesity and diabetes.

In adult humans, brown fat is actually beige

Researchers identified a third type of fat cell, beige adipocytes, that can be activated to burn energy and generate heat in both mice and humans. Beige fat cells are genetically intermediate between white and brown fat, and respond to hormone irisin, which is released during exercise.

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.

JCI early table of contents for June 25, 2012

Scientists identify WNT signaling pathway as potential therapeutic target for obesity. Antibiotic treatment after Lyme disease shows fluorescent bacterial debris remains without causing infection. Oxidative stress contributes to parasite persistence in host tissues, opening new avenue for anti-Trypanosoma cruzi drugs.

The skinny on what makes us fat

Research found that SFRP5-deficient mice showed increased metabolic activity and were resistant to diet-induced obesity, revealing the mechanism of SFRP5-mediated fat cell generation. The study suggests targeting the WNT signaling pathway could be a therapeutic approach to treat obesity.

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

Why do fat cells get fat? New suspect ID'd

Researchers at the University of Michigan have made a surprising finding about WNT signaling and its role in fat cell growth. They discovered that Sfrp5, a molecule previously thought to have an opposing effect, actually stimulates fat cells to grow larger and burn fat slower.

Fungicide used on farm crops linked to insulin resistance

A recent study has found that exposure to the fungicide tolylfluanid can induce insulin resistance in fat cells, providing new evidence of the link between environmental pollutants and diabetes. This discovery raises concerns about the potential health risks of using this chemical on farm crops.

A new candidate pathway for treating visceral obesity

Researchers at Brigham and Women's Hospital have identified a new candidate pathway for treating visceral obesity by manipulating vitamin A metabolism. By inhibiting the enzyme Aldh1a1, white fat cells can take on characteristics of brown fat, leading to reduced fat storage and improved metabolic health.

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.

Unmasking black pepper's secrets as a fat fighter

A new study reveals that black pepper's piperine interferes with genes controlling fat cell formation, potentially leading to a metabolic chain reaction. This finding may lead to wider use of piperine or black-pepper extracts in fighting obesity and related diseases.

The fat stopper

Researchers at the University of Delaware have identified a protein called endoglin that regulates the creation of fat cells. By decreasing the amount of this protein on the surface of cells, it may be possible to force fat cells to transform into other cell types, potentially leading to new treatments for osteoporosis and obesity.

Cellular pathway linked to diabetes, heart disease

Researchers at the University of Cincinnati have found a cellular pathway linked to obesity-related disorders such as diabetes, heart disease, and fatty liver disease. Deleting the enzyme histone deacetylase 9 (HDAC9) completely protected mice against high-fat feeding's negative health consequences.

Red wine, fruit compound could help block fat cell formation

A compound found in red wine and fruits can block the development of immature fat cells, according to a Purdue University study. The compound, piceatannol, alters gene expressions and insulin action during adipogenesis, delaying or inhibiting the formation of mature fat cells.

Study finds protective gene in fat cells

A new study finds a protective gene in fat cells that helps regulate blood sugar and insulin levels, potentially leading to a new therapeutic strategy for preventing and treating type 2 diabetes. The discovery challenges popular notions of body fat and health.

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Teaching fat cells to burn calories

Scientists at UCSF have identified a protein called PRDM16 that can convert ordinary white fat cells into brown fat cells, which burn calories. This discovery makes PRDM16 a possible target for future obesity treatments.

The heart can make 'bad' fat burn calories

Researchers discovered that cardiac natriuretic peptides can convert white fat cells into brown fat cells in mice and humans, increasing energy usage and potentially aiding in weight loss. The study suggests a new approach to combating the obesity epidemic.

Heart hormone helps shape fat metabolism

A new study at Sanford-Burnham Medical Research Institute suggests that the heart hormone natriuretic peptides play a role in breaking down fat. The peptides turn on a molecular mechanism similar to what's activated when the body is exposed to cold and burns fat to generate heat.

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Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Knocking out key protein in mice boosts insulin sensitivity

Researchers at UC San Diego and EPFL found that removing a regulatory protein called NCoR dramatically improved insulin sensitivity in mice. The study reveals a new role for NCoR in regulating fatty acid storage and glucose metabolism, which could lead to the development of targeted treatments for type 2 diabetes.

Lose the fat and improve the gums, CWRU dental researchers find

A pilot study of 31 obese people with gum disease found that those who underwent gastric bypass surgery had better periodontal outcomes than those who did not. The researchers believe that removing excess fat cells may help reduce inflammation and improve the body's response to treatment.

Fat cells in abdomen fuel spread of ovarian cancer

A large pad of fat cells in the abdomen provides nutrients that promote the spread and growth of ovarian cancer. Cancer cells reprogram their metabolism to thrive on lipids acquired from fat cells, leading to rapid tumor growth.

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.

Yale researchers reveal 1 reason why fat cells fail

A Yale research team discovered a mechanism that enables fat cells to expand when excess metabolic energy is present, helping them store and use fatty acids efficiently. This process is crucial for maintaining cellular balance and preventing the breakdown of fat storage capacity in obese individuals.

Cell dysfunction linked to obesity and metabolic disorders

Scientists at Karolinska Institutet found that fat cells in overweight people have a higher capacity for storing fats but a lower capacity for ridding themselves of them. This can lead to an accumulation of triglycerides and cholesterol in the blood, increasing the risk of metabolic diseases.

Glucose uptake relies on newly identified protein

A study by Sanford Burnham Prebys reveals that CDP138 is a crucial protein for insulin-stimulated glucose uptake in muscle and fat cells. The researchers found that optimal insulin response requires the correct insertion of GLUT4 into the cellular membrane, with CDP138 playing a key role.

Fluke 87V Industrial Digital Multimeter

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

Diabetes drug side effects traced to fat action

Researchers explore the effects of thiazolidinediones on fat tissue, finding that they remodel adipose tissue and lead to weight gain. The studies also reveal a link between rosiglitazone's vascular benefits and the hormone adiponectin.

A stem cell target for expanding waistlines?

Scientists have discovered a protein marker on the surface of adipose stromal cells (ASCs), which drive fat expansion in the body. The finding may lead to developing a method to inactivate these cells, potentially treating obesity and improving regenerative therapies.

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Maternal stress during pregnancy may affect child's obesity

Research suggests that a mother's nutritional or psychological stress during pregnancy and lactation may create a signature on her child's genes that put the child at increased risk for obesity later in life. Female offspring are more susceptible to developing abdominal fat, prediabetes, and impaired glucose metabolism.

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