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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

Scientists produce illusion of body-swapping

Cognitive neuroscientists successfully created an illusion of body-swapping by manipulating sensory impressions, allowing subjects to perceive a mannequin's body as their own. This discovery sheds light on how the brain constructs an internal image of the body and has potential practical uses in VR applications.

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.

Sperm size isn't everything

Research challenges the idea that longer sperm are faster due to drag from their heads. Streamlining and tail shape may be more important factors in determining sperm performance.

Pregnant women who do aquarobics have easier deliveries

A recent study published in Reproductive Health found that pregnant women who attended water aerobics classes had shorter labor durations and lower rates of analgesia requests compared to those who did not participate. The research suggests that moderate water aerobics during pregnancy may improve maternal and fetal health outcomes.

Scientists discover new species of Ebola virus

The discovery of Bundibugyo ebolavirus represents a significant addition to the puzzle of the Ebola virus genus. The new virus is genetically distinct from all other known Ebola virus species, differing by more than 30% at the genetic level. This finding has implications for the development of diagnostics, antivirals, and vaccines.

UK study shows kids are active but not eating their '5-a-day'

A UK study reveals that most children are meeting physical activity guidelines, but failing to eat five pieces of fruit and vegetables a day. The study found that socioeconomic background plays a significant role in dietary habits, with children from lower-income backgrounds more likely to consume healthy foods.

New technique enables assessment of drought performance

A new technique allows for a quantitative and precise determination of plant viability during drought stress using chlorophyll fluorescence. This method is non-invasive, easy to measure, and minimizes technical expertise, making it a valuable complement to existing methods.

Apple iPhone 17 Pro

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

Limb loss in lizards -- evidence for rapid evolution

Research on small skink lizards reveals extensive body shape changes over brief geological periods, with species evolving an elongate, limbless body form. The study found rapid evolution of this snake-like body form, without reversals, and estimated the loss of limbs to have occurred within 3.6 million years.

Computerized carer lessens dementia load

Researchers developed an AI coaching system called COACH to assist older adults with moderate dementia in performing daily activities. The system uses computer vision and artificial intelligence techniques to deliver personalized reminders, resulting in increased independence for participants.

Study reveals continued damage from banned obesity drug

A large study of former fenfluramine users found a strong association between duration of exposure and prevalence of valve regurgitation. The risk of valve surgery was increased approximately seven-fold, with over 0.44% of participants undergoing surgery due to the drug's use.

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.

Friendly bacteria reduce hospital infections

Researchers found that applying a probiotic bacterial solution in place of antiseptics effectively prevents respiratory illness in ventilated patients. The friendly bacteria, Lactobacillus plantarum 299, has no negative side effects and does not contribute to antibiotic-resistant strains.

Clicking knees are antelopes' way of saying 'back off'

A study on eland antelopes found that males use knee clicking to broadcast their fighting ability and settle conflicts without incurring high costs. The researchers also discovered that the size of a bull's dewlap is related to age, while hair darkness reflects aggressiveness.

New journal shows half-broken gene is enough to cause cancer

Research published in PathoGenetics reveals that one mutated SMAD4 allele is associated with gastrointestinal polyps and cancer development. This study highlights the importance of dosage in tumor suppressor genes, challenging the conventional understanding of gene mutations and disease phenotypes.

24-hour drinking linked to shift in hospital attendance patterns

A study found that 24-hour drinking has not reduced the burden of alcohol-related attendances to emergency departments but shifted the problem to later into the night. This trend was seen for weekdays and weekends, with significantly more attendances in early morning hours.

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.

New journal explores the environment in which our genes live

The new journal Epigenetics & Chromatin publishes research on heritable changes in gene expression without altering DNA sequence. High-quality studies on human telomeres and the RNAi pathway have been published, shedding light on epigenetic inheritance and chromatin-based interactions.

Metal hazard from table wines

A meta-analysis found that many wines contain high levels of metal ions, exceeding the safe threshold and posing potential health risks. The study suggests that these metals may contribute to neurological problems, oxidative damage, and chronic inflammatory diseases.

Brain stimulation improves dexterity

Researchers found that transcranial direct current stimulation (tDCS) can improve delicate task performance by 24%, outperforming single-hemisphere and sham treatments. The study used healthy volunteers to test the effects of dual-hemisphere tDCS, showing significant benefits for non-dominant hand skills.

South Africa in grip of strangulation spate

Researchers found that most cases of strangulation occurred early in the morning, often in homes, and were more common among victims who had consumed excessive alcohol. The study revealed a significant correlation between sexual violence and female strangulation rates in South Africa.

Mercury pollution causes immune damage to harbor seals

Researchers found that methylmercury harms T-lymphocytes, key cells in a seal's immune system, and similar results were also observed in human lymphocytes. The study suggests that mercury pollution may have already taken a toll on harbor seals' ability to fight infections.

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.

The genetic explanation for moles' poor eyesight

Researchers have discovered primary developmental defects in the lens of moles, leading to a disrupted epithelium and disorganized mass of immature fibre cells. Genetic information reveals abnormal gene expression central to eye development, causing incomplete lens fibre completion.

Farmers can spot lame sheep, but fail to prevent footrot spread

A study found that farmers are skilled at identifying mildly lame sheep, but often neglect to treat them promptly, allowing the disease to spread. The researchers recommend that farmers inspect and treat the first mildly lame sheep in a group within one to three days of it first being lame

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.

Is there more to prion protein than mad cow disease?

Scientists have detected changes in prion protein production and accumulation in brains of cattle with a rare neurological disorder. The study suggests an association between abnormally high levels of prion protein and the disease, but differs from BSE and CJD.

Like an arrow: Jumping insects use archery techniques

Researchers found that froghoppers store energy in a composite structure made of hard cuticle and resilin, flexing it like an archery bow before releasing the energy for a powerful jump. This technique allows them to achieve remarkable heights, over 100 times their body length.

Celestron NexStar 8SE Computerized Telescope

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

Low sensitivity of clinical signatures

New research found that many published clinical genomic signatures have high specificity but very low sensitivity, making them inadequate for most clinical applications. The study suggests that a rigorous approach to evaluating signature quality is necessary to improve the accuracy of sequence-based diagnostics.

New study offers solution to global fisheries collapse

A study finds that catch shares can reverse fisheries collapse, with nearly a third of open-access fisheries collapsing compared to half for those managed under catch share systems. Catch shares create incentives to protect fish populations and reduce bycatch, leading to better biological outcomes.

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.

Heart bypass surgery: deadly delays

A new study reveals that delayed elective coronary artery bypass graft (CABG) surgery significantly increases the risk of post-operative death. In contrast, performing CABG surgery within the recommended timeframe reduces the risk of death by approximately one-third.

SAGE-Hindawi launch Journal of Dental Biomechanics

The Journal of Dental Biomechanics will cover tissue and material biomechanics, with a focus on hard and soft tissue analysis. The journal aims to provide a platform for researchers to share vital research and developments in dental biomechanics.

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.

Fantastic photographs of fluorescent fish

Research published in BMC Ecology reveals at least 32 reef fish species exhibiting red fluorescence, a previously unknown signaling mechanism. The authors speculate that this phenomenon may serve as a private communication system among fish, allowing for attraction and presence detection.

New marker for raised intracranial pressure

A new marker for raised intracranial pressure has been identified using magnetic resonance imaging measurements of the optic nerve sheath. A retro-bulbar optic nerve sheath diameter above 5.82mm predicts raised ICP in 90% of cases, providing a non-invasive solution for early detection and treatment.

Memory enhanced by sports-cheat drug

Researchers have discovered that the blood-boosting effects of erythropoietin are not related to its impact on cognition. Instead, EPO directly influences neurons in the brain, improving memory and cognitive function. The findings may lead to new treatments for neurodegenerative diseases.

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.

Nutritional research vindicates diet programs

A new study published in BioMed Central's Nutrition Journal found that popular slimming programmes do result in reduced energy intake while providing enough nutrients. The four commercial diets tested were Slim Fast, Atkins, Weight Watchers, and Rosemary Conley's Eat Yourself Slim Diet & Fitness Plan.

Wolves would rather eat salmon

New research reveals that wolves prioritize seafood, specifically salmon, over deer when available. The study shows that wolves reduce deer hunting activity and focus on fishing during autumn when salmon is abundant.

Protein misprediction uncovered by new technique

A new approach, MisPred, uses five principles to identify suspect proteins with abnormal or incomplete annotations in public databases. The majority of errors are attributed to the absence of expected signal peptides and domain integrity violations.

Garmin GPSMAP 67i with inReach

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

Life isn't 2-D, so why should our encyclopedias be?

A new resource called Proteopedia links written information with interactive 3D images of biomacromolecules, enabling easy creation and editing by users. By integrating 3D structures with descriptive text, Proteopedia aims to make complex structural information comprehensible to all.

Relearning process not always a 'free lunch'

A study by Sheffield University and the University of St. Andrews found that relearning can trigger forgotten information when forgetting is induced by directional decay in synaptic connectivity. This suggests that evolution may have selected physiological mechanisms involving forgetting using a form of synaptic drift.

Positive thinking may protect against breast cancer

A new study found that young women with positive emotional states and high levels of happiness are less likely to develop breast cancer. However, women who have experienced multiple severe or mild negative life events are at higher risk for the disease. The researchers suggest that a general feeling of happiness can play a protective r...

Kids with pets grow up to be snorers

Research finds that children exposed to pets, suffering from early respiratory or ear infections, and growing up in large families are more likely to become adult snorers. Additionally, these factors may enhance inflammatory processes and alter upper airway anatomy, increasing the risk of adult snoring.

China sees spike in rabies cases

A new study published in BMC Infectious Diseases reveals a significant increase in human rabies cases in China since the new millennium. The researchers found that the number of cases jumped dramatically from 159 to 3,279 between 1990 and 2006, with most patients contracting the disease after being bitten by dogs.

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.

Limbs saved by menstrual blood stem cells

Cells from menstrual blood, known as endometrial regenerative cells (ERCs), have been shown to restore blood flow in a mouse model with advanced peripheral artery disease. This breakthrough discovery holds promise for the treatment of critical limb ischemia, which causes approximately 150,000 amputations per year.

Obesity genes revealed

A study of 228 women identified two genetic variants associated with body shape, one affecting European American women and the other African American women. These variants were also linked to weight, lean mass, height, total fat mass, and HDL-cholesterol levels.

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.

Free articles get read but don't generate more citations

A recent study by Cornell University found that open-access articles receive more downloads than subscription-based articles, but do not receive more citations. Higher quality articles are simply made freely available, reversing the cause-and-effect relationship previously assumed.

Cholesterol-lowering drug boosts bone repair

A cholesterol-lowering drug, lovastatin, has been shown to improve bone healing in an animal model of NF1. The study found marked improvements in bone healing compared to control animals.

Frankincense provides relief to arthritis sufferers

A randomized, double-blinded trial of 70 patients found that taking an enriched extract of Indian Frankincense significantly improved osteoarthritis symptoms within seven days. The study suggests that AKBA, the most active ingredient in the plant, has anti-inflammatory properties and may be effective for treating knee osteoarthritis.

The kids most likely to go armed

A new analysis of a 2005 survey found that male students were more likely to carry weapons than females, with certain racial groups also being overrepresented. The study suggests that socioeconomic factors, such as living in violent neighborhoods, may contribute to the carrying of weapons among disadvantaged students.

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.

South African epidemic of schoolboy sexual abuse

A new study reveals that two-thirds of South African schoolboys report being forced to have sex before the age of 18, mostly by female perpetrators. The research highlights systematic differences in frequency and type of perpetrator across provinces and rural-urban areas.

Gummy bears that fight plaque

A new study shows that giving children four xylitol gummy bears three times a day reduces harmful bacteria in their plaque after six weeks. The findings suggest that a clinical trial to develop a gummy-based caries prevention program is feasible.

No need for gene screens in breast cancer families

A recent study published in BMC Cancer reveals that a family history of breast cancer does not significantly increase the likelihood of developing the disease at an early age. The research suggests that applying strict screening criteria can help reduce unnecessary testing and alleviate psychological harm.

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.

Heart attack not a death sentence

A study published in Critical Care journal found that patients who survive cardiac arrest without severe neurological disabilities can expect fair long-term survival and good quality of life. The allocation of resources to treat heart attack patients is equally justified as other intensive care patient groups, according to the research.

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.

Environmental pollutant has sex-skewing effect

Women exposed to high levels of polychlorinated biphenyls (PCBs) are more likely to give birth to female children. A study found that for every one microgram of PCBs per liter of serum, the chance of having a male child fell by 7%. The researchers suggest that high maternal PCB concentrations may favor fertilization by female sperm or ...