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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

High-fat diets trigger inflammatory immune cell generation in bone

A study found that high-fat diets fuel the creation of inflammatory immune cells in mouse bone marrow. These cells can later invade fat tissue, leading to insulin resistance and other complications associated with obesity. The bone marrow's sensitivity to environmental changes plays a crucial role in this process.

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Long term high-fat diet expands waistline and shrinks brain

A long-term high-fat diet has been shown to cause significant weight gain and metabolic disorders in mice, leading to anxiety, depression, and worsening Alzheimer's disease. The study suggests a clear link between chronic obesity and diabetes with cognitive decline.

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Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Porous cells lead to poorer livers

Researchers discovered that porous cell membrane formation allows cancer-inducing proteins to escape and promote tumor growth in nonalcoholic steatohepatitis-associated liver cancer. The release of IL-33 and IL-1β from senescent hepatic stellate cells accelerates cancer development by suppressing anti-tumor immunity.

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

Dietary cholesterol worsens inflammation, sickness in mice with influenza

Researchers linked dietary cholesterol to exacerbation of viral infections in mice, showing that high levels of cholesterol made mice sicker when infected with influenza. The study found that dietary cholesterol increased the number of cytokine-producing immune cells in the lungs, contributing to excessive inflammation.

High-fat diet linked to nitric oxide levels, cancer development

Researchers at the Beckman Institute found a direct link between high-fat diets and heightened nitric oxide levels, which can lead to increased risk of inflammation and cancer development. The study used a molecular probe to visualize changes in the tumor microenvironment.

Scientists study links between obesity, age and body chemistry

Researchers investigate how enzymes regulate metabolism, weight gain, and liver disease, revealing diet's significant role in obesity and altered lipid profiles. The study also shows that age affects metabolic processes, leading to weight gain, increased fat storage, and unhealthy liver changes.

New study on mice sheds light on the anti-obesity effects of vitamin E

Researchers at Shibaura Institute of Technology discovered that tocotrienols, a subtype of vitamin E, can lower body weight, reduce white adipose tissue, and protect the liver in mice fed with a high-fat diet. The study suggests a potential compound to prevent obesity and its secondary diseases.

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Can weekly prednisone treat obesity?

A new study from Northwestern University found that once-weekly prednisone treatment improved exercise endurance, increased lean body mass, and reduced weight in obese mice. The treatment also promoted nutrient uptake into muscles and increased adiponectin levels, a hormone that helps protect against diabetes and insulin resistance.

New link between diet, intestinal stem cells and disease discovered

A new study reveals that a high-sugar and high-fat diet can disrupt the natural adaptation of the digestive system by accelerating the division and differentiation of intestinal stem cells. This can lead to an increased risk of obesity, type 2 diabetes, and gastrointestinal cancer.

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How high-fat diets allow cancer cells to go unnoticed

A high-fat diet increases the incidence of colorectal cancer by suppressing MHC-II levels in intestinal cells. This disruption allows cancer cells to grow unchecked. Researchers hope that reconfiguring the gut microbiome and boosting immune recognition molecules can help combat cancer.

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UCI study finds targeting mitochondria shows promise in treating obesity

A team of University of California, Irvine scientists discovered a novel pharmacological approach to attenuate mitochondrial dysfunction that drives diet-induced obesity. They found that a small molecule, SH-BC-893, can correct metabolic disease even when mice continue to consume an unhealthy Western diet.

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Using mice to open the way to prevent blocked arteries

A new study has identified key pathways linking high-fat diets to atherosclerosis in mice, shedding light on the role of neutrophils and citrullination in inflammation. Researchers found that blocking this process could lead to reduced neutrophil adhesion and potentially prevent blocked arteries.

Healthy fat impacted by change in diet and circadian clock, study finds

A study published in Nature found that altering eating habits or disrupting the circadian clock can lead to depletion of healthy fat cells, causing defects in fat storage and excess lipid spilling into organs. This disruption may be difficult to reverse, increasing the risk of Type 2 diabetes and insulin resistance.

Study shows new links between high fat diets and colon cancer

A new Arizona State University study has shown that high fat diets can trigger a molecular cascade of events leading to colon cancer through intestinal stem cells. The research found that PPARs, specifically PPAR delta and alpha, play a crucial role in elevating cancer risk by stimulating the metabolism of fats.

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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.

High fat diets may over-activate destructive heart disease protein

A high fat diet has been found to activate a response in the heart that leads to destructive growth and increased risk of heart attacks. The research, published in Biochemical and Biophysical Research Communications, found that mice fed a high fat diet had twice the amount of oxidative stress on their heart cells.

Taste buds may play role in fostering obesity in offspring

A mother's high-fat diet during pregnancy may alter the taste buds of her offspring, leading to a greater attraction to unhealthy food and obesity in adulthood. The study found that adult progeny fed with such a diet had more sweet-taste receptors inside their taste buds.

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High-fat diet with antibiotic use linked to gut inflammation

A high-fat diet combined with antibiotic use significantly increases the risk of developing pre-IBD. The study suggests that this combination disrupts mitochondria in cells of the large intestinal lining, leading to gut inflammation and a vicious cycle of replacing good bacteria with harmful microbes.

Viruses from poo can help combat obesity and diabetes

A new study from the University of Copenhagen suggests that transplanted intestinal contents could be effective against obesity and type 2 diabetes. Researchers found that obese mice with unhealthy lifestyles gained significantly less weight and avoided type 2 diabetes when they received viruses transplanted from the stool of lean mice.

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High fat diet impairs new neuron creation in female mice

Research found that high fat diets limit newborn and developing neurons in adult female mice, but not males, potentially linking metabolic disorders to brain disorders like Alzheimer's disease. The study may inspire metabolism-based preventions and treatments.

Watermelon supplements bring health benefits to obese mice

A new study from Oregon State University found that watermelon supplements significantly improved blood glucose levels and increased beneficial bacteria in high-fat-fed mice. The researchers recorded a 10-week diet and supplement regimen to observe these effects.

Ionic liquid treatment for obesity

Rats fed a high-fat diet showed 12% less body weight gain after ingesting an ionic liquid containing choline and geranate once daily for 30 days. The treatment also decreased food intake and intestinal fat uptake by 60-70%.

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High-fat diets affect your brain, not just your physical appearance

A recent Yale study found that high-fat diets stimulate hypothalamic inflammation, leading to changes in microglial cells and regulating energy homeostasis. The research suggests a neurological mechanism controlling food intake, with potential implications for obesity and diseases like Alzheimer's.

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Innate immune responses to high-fat diets lead to obesity

Researchers found that mice lacking group-2 innate lymphoid cells in the small intestine prevented obesity after eating a high-fat diet. Conversely, reintroducing these cells led to obesity symptoms. The study suggests targeting small intestine ILC2s could be an effective obesity treatment approach.

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Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

High-fat diets appear bad for blood pressure in younger males and females

A recent study found that high-fat diets significantly increase blood pressure in both young male and female rats, with comparable effects on males and females. The study also showed sex differences in inflammation response, where females maintained a higher percentage of Tregs, which help decrease blood pressure.

New RNA sequencing strategy provides insight into microbiomes

Researchers from the University of Chicago have developed a high-throughput RNA sequencing strategy to study the activity of the gut microbiome. The new tools analyze transfer RNA, allowing scientists to understand the activity of naturally occurring microbiomes and study their responses to environmental changes.

Effects of a high-fat diet may be passed on for three generations

A high-fat diet in female mice affects their offspring's obesity, insulin resistance, and addictive-like behaviors for three generations. The study found that only females showed addictive-like behaviors, while males showed obesity characteristics in the third generation.

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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.

Tarragon supplements may make healthy women gain weight

A Pennington Biomedical Research Center study found that female mice on a high-fat diet given Russian tarragon or bitter melon supplements gained more weight and body fat compared to those not receiving the supplements. However, there was no significant change in insulin sensitivity or body-fat percentages.

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

A way to block fat from entering tissues

Researchers have identified a mechanism by which fat is transferred into tissues, revealing that blocking key receptors can limit fat delivery. Disabled mice on high-fat diets showed no weight gain, while control mice gained twice as much weight.