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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

Study shows on-pump bypass comparable to off-pump at year mark

A study comparing on-pump and off-pump bypass surgery found similar results one year after surgery, with no significant difference in composite outcomes such as death, stroke, or heart attack. The study also found similar neurocognitive function and quality of life for both groups.

Screenings, targeted care reduce heart failure in at-risk patients

A simple blood test screening and targeted care program effectively prevented heart failure in asymptomatic patients over 40 years old with risk factors for the condition. The five-year study showed a significantly lower number of patients experiencing new onset heart failure requiring hospitalization or left ventricular dysfunction.

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.

Off-pump bypass better for high-risk patients

A new study suggests that off-pump bypass surgery, which is done without a heart-lung machine, can lead to better post-operative outcomes for high-risk patients. This technique eliminates the need for blood transfusions and reduces the risk of bleeding, resulting in fewer complications.

Drug may improve outcomes after heart attack

The REMINDER trial found that eplerenone significantly reduced the risk of cardiovascular mortality and heart failure in patients after a heart attack. Patients taking eplerenone had a 38% lower risk of poor outcomes compared to those given a placebo.

Midterm stroke, death rates comparable for TAVR, standard surgery

The PARTNER study found that transaortic valve replacement (TAVR) and open-heart surgery resulted in similar all-cause and cardiovascular mortality rates at three years, with no increased risk of stroke after 30 days. However, TAVR patients were more likely to experience leaks around the valve.

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.

Angioplasty at hospitals without on-site cardiac surgery safe, effective

A study suggests that non-emergency angioplasty performed at hospitals without on-site cardiac surgery capability is no less safe and effective than the procedure at hospitals with cardiac surgery services. The research found that rates of major adverse cardiac events were similar between the two groups, with outcomes not differing sig...

Encouraging early results for redesigned Sapien valve

The redesigned Sapien XT valve demonstrated low 30-day death and stroke rates, with an all-cause mortality rate of 3.5% for the new device and 5.1% for the original model. Stroke rates were also significantly lower in both groups.

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.

ECG screening for competitive athletes would not prevent sudden death

The risk of cardiovascular sudden death in young competitive athletes is extremely low, occurring only about 30% of the time and in a small percentage of those due to diseases detectable by ECGs. Current screening initiatives have potential impact on 10-15 million young adults but do not provide evidence for necessity of ECGs

Drug protects against kidney injury from imaging dye in ACS patients

A recent study presented at the American College of Cardiology's Annual Scientific Session found that high doses of rosuvastatin significantly reduced the rate of acute kidney injury caused by contrast agents used in imaging tests. The statin group had lower rates of kidney damage and adverse events compared to the control group.

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.

Cangrelor superior to clopidogrel in CHAMPION PHOENIX trial

Cangrelor demonstrated significant efficacy advantages over clopidogrel in reducing composite incidence of death, myocardial infarction, and ischemia-driven revascularization. It also showed a lower risk of stent thrombosis, with improved safety results across various patient subgroups.

Fewer adverse events with 'double kissing' crush stent than culotte

The DKCRUSH-III trial shows that double kissing crush stenting reduces restenosis and improves long-term outcomes for patients with bifurcation lesions, a type of complex coronary lesion. The study found 6.8% in-stent restenosis rates with double kissing crush versus 12.6% with culotte stenting.

Shock teams and ECMO save lives in massive STEMI

A study at the American College of Cardiology Scientific Sessions found that ECMO, accompanied by mechanical CPR and therapeutic hypothermia, can lead to unexpected survival in patients with massive myocardial infarctions. Four out of five patients survived hospital discharge with improved ejection fractions.

Apple iPhone 17 Pro

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

High BMI linked to heart attack, stroke in young women

A nationwide Danish study finds that young women with a high body mass index (BMI) are twice as likely to suffer a life-threatening heart attack or stroke within four to five years after childbirth. The study, led by Michelle Schmiegelow, examines the association between obesity and cardiac events in women aged 35-44.

Cholesterol levels rise, fall with changing seasons

Researchers found that LDL cholesterol increases by an average of 7mg/dL in winter compared to summer, resulting in a 8% overall increase in high cholesterol prevalence. Seasonal variations in metabolism and behavior may contribute to these changes.

Age matters in weight gain: Overweight at young age takes toll

A longitudinal study found that people who carry excess weight over their lifetime have increased left ventricular mass and relative wall thickness, strong predictors of cardiovascular morbidity and mortality. The earlier someone becomes overweight, the greater the increase in heart muscle mass later in life.

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.

Patient reports via telemedicine result in lower blood pressure

Using a telemedicine system to engage people in underserved urban communities resulted in significant reductions in systolic blood pressure. Nearly all study participants lowered their blood pressure, with those using the interactive reporting system achieving an average drop of 19 mmHg compared to 12 mmHg for non-telemedicine users.

Lack of aspirin before angioplasty linked with higher mortality

A recent study by the American College of Cardiology found that patients not given aspirin before artery-clearing coronary angioplasty and stenting have a significantly higher in-hospital death rate. The study examined registry data from over 65,000 patients and found that nearly 7% did not receive aspirin as recommended.

Changes in heart attack timing continue years after hurricane

Research shows that even five years after Hurricane Katrina, heart attacks were still less likely to occur during the morning or on weekdays and instead more frequent at night and on weekends. Prolonged periods of stress are believed to be the most likely cause for these changes.

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.

Rehab associated with reduced risk of death in women with CAD

A 12-week cardiac rehabilitation program reduced mortality in women with coronary artery disease by two-thirds, yet referrals and attendance among women fall short compared to men. Women who receive a referral but don't attend also have better outcomes, suggesting a referral bias towards healthier individuals.

Program that pays for weight loss seems to pay off

A study found that modest financial incentives significantly increased sustained participation in a weight-loss program and long-term maintenance of weight loss. Participants who received financial rewards lost more weight (9.08 pounds) compared to those without incentives (2.34 pounds).

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.

History of stroke and coronary heart disease -- a fatal combination

A study of 26,389 coronary patients found that 17% had a history of stroke or transient ischemic attack (TIA), associated with increased risk of heart attack and hemorrhagic stroke. Higher doses of anti-platelet or anti-coagulant therapy were linked to a high risk of bleeding complications.

Radial access should be first choice for PCI says ESC

The radial approach for percutaneous coronary interventions (PCI) is associated with reduced bleeding complications and improved survival rates, particularly in STEMI patients. The European Society of Cardiology recommends radial access as the default strategy for PCI in high-risk acute coronary syndromes.

Rejected hearts now viable for transplantation after stress echo

Researchers have identified 35 hearts without significant coronary artery disease that are eligible for transplantation using pharmacological stress echo. The study found successful transplantation in emergency recipients with minimal complications, paving the way for an upward shift in donor age cut-off limit from 55 to 65 years.

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.

Women more likely to die from myocardial infarction than men

A study found that women are more likely to die from myocardial infarction due to longer treatment delays and less aggressive treatment. Women STEMI patients had higher intra-hospital mortality rates, more complications, and longer hospital stays compared to men.

1 CVD death in China every 10 seconds

China is experiencing a rising epidemic of hypertension and type 2 diabetes, leading to an increasing burden of cardiovascular disease. The country has seen a significant increase in smoking rates, with 54% of men smoking and 92 million people living with type 2 diabetes.

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.

New study evaluates noninvasive technology to determine heart disease

A new study published in JAMA found that noninvasive CT scanning technology combined with fractional flow reserve can improve diagnostic accuracy for heart disease. The DeFACTO study involved 252 patients from 17 centers worldwide, showing improved detection of coronary artery disease using this approach.

Don't cut lifesaving ICDs during financial crisis, ESC warns

The European Society of Cardiology is tackling the issue of underused implantable cardiac devices, particularly ICDs, due to financial constraints. The initiative aims to raise awareness about their importance and reduce sudden cardiac death rates in countries like Ukraine and Germany.

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.

TAVI restricted to very old or very sick patients

A European registry study found that TAVI valves were mainly used on patients over 80 years old with comorbidities, resulting in a high risk of complications and mortality. The study also showed significant differences in procedural approaches and post-procedure care across countries.

ESC Acute Cardiovascular Care Association launched

The ESC has launched a new acute cardiovascular care association, expanding its scope to cover the entire first seven days of acute cardiovascular disease. The association aims to improve quality of care through an integrated patient-oriented approach.

Smoking after stroke increases death risk by 3-fold

Patients who resume smoking after a stroke are at three times the risk of dying within a year, with early relapse increasing mortality. The study highlights the importance of comprehensive smoking cessation interventions for post-stroke patients.

PRAGUE-12 trial: Randomized open multicenter study

The PRAGUE-12 trial revealed that surgical ablation using the MAZE procedure significantly improves sinus rhythm presence one year post-operatively among patients with permanent AF. However, it had no impact on mortality, stroke or other hard clinical outcomes during a one-year follow-up.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Ten year decline in ischemic stroke after AMI

A Swedish registry analysis found a significant decline in ischemic stroke risk after AMI over the past decade. The risk decreased by 21% from 4.7% in 1998-2000 to 3.8% in 2007-2008, likely due to improved care and modernization of coronary care.

30-day mortality after AMI drops with improved treatment

Analysis of four French registries from 1995 to 2010 shows significant improvements in management and outcomes for acute myocardial infarction (AMI) patients, resulting in a notable decrease in 30-day mortality rates. This improvement is attributed to increased use of coronary angiography/PCI and early adoption of recommended medications.

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.

The ASTRID study

The ASTRID study found that patients with high and very high risk benefited from transfemoral TAVI, with mortality rates of 4.7% and 7.7%, respectively. The registry also showed differences in vascular complications and residual aortic regurgitation between valve types.

The PROTECT study

The PROTECT study found that zotarolimus-eluting and sirolimus-eluting stents have comparable rates of stent thrombosis at three years. The study also showed that dual antiplatelet therapy use can affect the long-term clinical relevance of stent type.

Normal weight individuals with belly fat at highest CVD risk

Research from the European Society of Cardiology reveals that normal-weight individuals with belly fat have a higher death risk than obese individuals. The study found that those with central obesity, even at a normal weight, had the highest cardiovascular death risk and death risk from all causes.

Celestron NexStar 8SE Computerized Telescope

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

The IABP-SHOCK II study

The IABP-SHOCK II trial randomized 600 patients to receive either an intraaortic balloon pump or conventional optimal medical treatment, but found no reduction in 30-day mortality rates. The study also showed that the IABP did not improve blood pressure, organ perfusion, or reduce treatment time in the intensive care unit.

Sudden death less likely in exercise related cardiac arrests

Research presented at the ESC Congress 2012 found that patients who experience a cardiac arrest during or shortly after exercise are three times more likely to survive than those who experience an exercise-unrelated cardiac arrest. The study also showed that exercise-related cardiac arrests tend to occur in younger, male individuals an...

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.

Drug eluting stents used less often in women than men

A country-wide German registry found that women received a lower percentage of drug eluting stents (DES) compared to men for the same condition. DES are known to decrease repeat target vessel revascularization procedures and provide favorable long-term results, especially in women with smaller epicardial vessels.

Passive smoking increases platelet activation in healthy people

A study published by the European Society of Cardiology found that passive smoking increases platelet activation and carbon monoxide levels in healthy individuals. The researchers investigated three parameters: mean platelet volume (MPV), carboxyhemoglobin (COHb), and lactate.

Electronic cigarettes do not damage the heart

A clinical study found that electronic cigarettes do not cause significant defects in cardiac function, unlike smoking tobacco cigarettes. The study compared the effects of e-cigarettes and tobacco cigarettes on 20 young daily smokers and 22 electronic cigarette users, showing no acute adverse effects from e-cigarette use.

Non-smokers benefit most from smoking ban

Research from Bremen, Germany found that non-smokers experienced a 26% decrease in ST-elevation myocardial infarctions (STEMIs) following the introduction of a smoking ban. In contrast, active smokers showed little change in STEMI rates, highlighting the benefits of anti-smoking legislation.

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.