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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

Hormone therapy for fruit flies means better pest control

USDA scientists developed a hormone treatment to strengthen male Mexican fruit flies, allowing them to compete with wild-type males for female mates more effectively. The therapy uses methoprene and hydrolyzed protein supplements, resulting in faster maturation and improved mating success.

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.

A new route for tackling treatment-resistant prostate cancer

Researchers found that paxillin regulates cell growth even in hormone therapy-resistant tumors, providing a new treatment target for advanced prostate cancer. The discovery could potentially lead to the development of targeted therapies that selectively attack cancer cells while leaving healthy cells intact.

Menopausal hormone therapy associated with increased blood pressure

Research published in PLOS ONE reveals a significant association between menopausal hormone therapy and high blood pressure in postmenopausal women. Longer use of hormone therapy was found to increase the odds of developing high blood pressure, although this risk decreased with age.

Meta Quest 3 512GB

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

15 top medical organizations agree on hormone therapy use

15 top medical organizations have issued a statement of agreement regarding the benefits of hormone therapy for symptomatic menopausal women. The statement concludes that hormone therapy is still an acceptable treatment for menopausal symptoms and has been endorsed by leading organizations in women's health.

Long-term hormone treatment increases synapses in rat prefrontal cortex

A new study found that long-term treatment with estrogen and MPA increased levels of a protein marker for synapses in the prefrontal cortex of aged rats. This contradicts previous research on human hormone therapy, which linked hormone replacement to an increased risk of stroke and dementia.

Imaging agents predict breast cancer response to endocrine therapy

A study published in The Journal of Nuclear Medicine found that imaging progesterone receptor (PR) status can identify responders and nonresponders to endocrine therapy in early stages. PR imaging with F-18-FFNP PET may help distinguish between patients who will benefit from hormone-based therapies.

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.

Investigational hormone replacement promising treatment for rare disorder

A new study presents promising results for an investigational parathyroid hormone replacement in treating hypoparathyroidism, a rare disorder marked by low calcium and high phosphate levels. The treatment effectively regulated calcium levels and reduced the need for additional vitamin D in over half of patients.

Apple iPhone 17 Pro

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

New weekly fertility injections work as well as daily

Weekly fertility hormone injections are as safe and effective as standard daily injections in increasing pregnancies and minimizing serious side effects. Women undergoing fertility treatment may prefer weekly injections for their patient-friendly nature.

LA BioMed's Dr. Rowan Chlebowski honored by ASCO-American Cancer Society

Dr. Rowan Chlebowski, a leading breast cancer researcher at LA BioMed, has been recognized for his significant contributions to cancer prevention and control through the ASCO-American Cancer Society Award and Lecture. His work on clinical trials and lifestyle interventions has reduced breast cancer recurrence and incidence.

Have no fear: Most cases of thyroid cancer do not affect survival

A study by the Society of Nuclear Medicine found that most patients with differentiated thyroid cancer have excellent survival rates, similar to those without the disease. The majority of patients with early-stage thyroid cancer can live a long and healthy life, thanks to advancements in diagnostic and therapeutic strategies.

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 Women's Health Initiative: An unforgettable decade

The Women's Health Initiative (WHI) Hormone Therapy Trial radically changed the practice of women's health, showing that younger women have better outcomes on hormone therapy than older women. The study highlights the importance of individualized care for women and underscores the need to understand different types of hormone therapy.

Embargoed news from Annals of Internal Medicine

The American College of Physicians Task Force recommends updating hormone therapy guidelines due to significant adverse events. Exercise and vitamin D supplementation are effective at reducing falls, but multifactorial risk assessment is not recommended for all elderly patients.

New data improve understanding of breast cancer's multiple varieties

Researchers have made significant breakthroughs in understanding the biological differences between individual breast cancers, highlighting the importance of biomarkers in identifying new targets for therapy. Studies also explored the mechanisms behind endocrine resistance and proposed a new approach to predicting response to treatment.

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.

Androgen suppression

A new mathematical model predicts optimal treatment length for prostate cancer patients to delay resistance, allowing clinicians to tailor therapy effectively. Intermittent androgen suppression therapy reduces side effects and improves patient outcomes.

Menopausal hormone therapy and breast cancer risk

A recent review of large prospective cohort studies and WHI trials found that estrogen plus progestin increases breast cancer risk, while estrogen alone decreases risk in women with a previous hysterectomy. The study proposes that mammography screening differences may explain the observed effects.

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.

Promising early results with therapeutic cancer vaccines

Researchers report growing success in combining therapeutic cancer vaccines with conventional chemotherapy, stimulating the immune system to destroy cancer cells. The first FDA-approved cancer vaccine is for metastatic prostate cancer, and several other strategies are being tested for various types of cancer.

JCI online early table of contents: Feb. 13, 2012

Researchers have discovered a new way to enhance trastuzumab treatment in HER2-positive breast cancer patients by stimulating natural killer cells. Additionally, the activation of FoxO1 has been linked to the development of diabetic cardiomyopathy, offering a promising therapeutic target. Leptin's direct action on POMC neurons may also...

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.

Whiff of 'love hormone' helps monkeys show a little kindness

Researchers found that oxytocin administration enhanced prosocial choices in rhesus macaques, making them pay attention to each other and choose to give juice to a neighbor. The hormone also increased gaze duration when choosing to reward another monkey, suggesting improved social skills.

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 reassures on heart risks of prostate cancer treatment

A new meta-analysis of randomized studies involving 4,141 prostate cancer patients found no difference in cardiovascular deaths between those receiving androgen deprivation therapy (ADT) and those who didn't. The study suggests that ADT may not increase the risk of fatal heart attacks for men without a history of heart disease.

Future prostate cancer treatments might be guided by math

A new mathematical model predicts individual patient responses to therapy and identifies optimal treatments for advanced prostate cancer. The model incorporates personalized data, including tumor cell characteristics, to provide more accurate treatment decisions.

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.

JCI online early table of contents: Nov. 21, 2011

Researchers identify a new way to boost the aged immune response to flu viruses by inhibiting PGD2. They also discover that targeting BRAF in thyroid cancers could restore the efficacy of RAI therapy. Additionally, exploring EGFR as a therapeutic target for Cushing disease may provide new treatment options.

Combo hormone therapy has increased breast cancer risk over estrogen alone

A recent study found that women taking combination estrogen and progestin menopausal hormone therapy are at a greater risk of developing breast cancer if they experience new onset breast tenderness. In contrast, women on estrogen alone without breast tenderness did not have an increased risk of breast cancer.

HDAC inhibitor may overcome resistance to common breast cancer drug

Researchers found that introducing a novel histone deacetylase inhibitor can reverse tumor's survival strategy and stop resistance, leading to higher cell death rates. This approach may prevent hormone therapy resistance in patients with estrogen receptor-positive breast cancer.

Radiation plus hormone therapy greatly improves survival

Men with locally advanced or high-risk prostate cancer who receive combined radiation and hormone therapy live longer and are less likely to die from their disease. The treatment improved overall survival by 23% and disease-specific survival by 43% compared to hormone therapy alone.

More radionuclide therapy is better for prostate cancer patients

Research shows that repeated administrations of radionuclide therapy with 188Re-HEDP improve overall survival rates, reducing pain in prostate cancer patients with hormone-refractory bone metastases. The study found significant increases in post-treatment survival for patients receiving two or three 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.

This is your brain on estrogen

Researchers have identified estrogen receptors in specific brain areas that influence metabolism, weight gain, and fertility. Deleting these receptors from mice resulted in significant weight gain and metabolic changes.

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.

UH researchers explain hormonal role in glucose and fat metabolism

Researchers at the University of Houston have discovered that estradiol, a naturally occurring estrogen hormone, plays a prominent role in regulating body functions in both females and males. The study found that an imbalance of estradiol levels can result in metabolic diseases, including diabetes, obesity, and cardiovascular disease.

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.

Another step toward resisting breast cancer

Breast cancer researchers identify FGFR3 as a key protein responsible for tumor growth and resistance to hormone therapies. This discovery may lead to the development of novel drugs targeting this protein to treat recurrent breast cancers.

Estrogen treatment may help reverse severe pulmonary hypertension

Researchers at UCLA found that estrogen treatment can reverse the progression of pulmonary hypertension to heart failure and restore lung and ventricle structure and function. The study suggests that even short-term estrogen therapy may suffice to reverse the disease, offering new potential therapeutic applications for human 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.