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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

In the evolution of walking, the hip bone connected to the rib bones

A new reconstruction of the 375-million-year-old fossil fish Tiktaalik reveals that its ribs likely attached to its pelvis, enabling support of the body and potentially leading to the evolution of walking. This discovery provides insights into the major evolutionary transition from fish to four-limbed vertebrates.

Apple iPhone 17 Pro

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

For large bone injuries, it’s Sonic hedgehog to the rescue

A recent study published in NPJ Regenerative Medicine found that large bone injuries trigger a repair strategy recapitulating elements of skeletal formation in utero. The gene Sonic hedgehog (Shh) plays a necessary role in healing central regions, while small-scale fractures heal through a distinct program.

Establishing a chest wall injury center provides long-awaited answers

The MUSC Health Chest Wall Injury Center provides access to a population of underserved patients with rib injuries. The center offers a range of treatments, including surgical stabilization procedures, multimodal pain medications, ultrasound therapy, and physical therapy recommendations.

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.

Ribs evolved for movement first, then co-opted for breathing

A new study found that the mechanics of rib movements in lizards facilitate locomotion, which was later co-opted for breathing. The researchers captured 3D motion of lizard ribs and vertebrae using XROMM, revealing a twisting forward and backward pattern similar to inhalation and exhalation.

Neandertals were choosy about making bone tools

A new study from UC Davis shows that Neandertals selected bones from specific animals to create a lissoir, a tool used to work hides into leather. The analysis of collagen protein residues using ZooMS revealed a preference for bovine ribs over deer bones, suggesting deliberate tool choice.

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.

Examining heart extractions in ancient Mesoamerica

Researchers Vera Tiesler and Guilhem Olivier examine the techniques and devices used in human heart extractions, shedding light on the relationship between ritual violence and cosmological interpretations. Their study reveals three distinct extraction methods and provides a framework for analyzing sacrificial rituals in other ancient s...

Bend and snap: New interventions for rib fractures

A new multicenter study finds that stabilizing fractured and partially dislocated ribs through surgical stabilization improves patient outcomes, with reduced pain, increased comfort, and lower complication rates. Patients who underwent the procedure experienced better quality of life and fewer complications compared to those who did not.

Shape-shifting structures take the form of a face, antenna

Scientists have developed a method to encode complex curves in shape-shifting structures, enabling the creation of doubly-curved shapes like those found on a human face. The research uses a bilayer, multimaterial lattice design that can grow or shrink in response to temperature changes.

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.

Grow a better jawbone in your ribs

Researchers developed a technique to grow live bone in the rib area using 3D-printed bioreactors and stem cells. The new method aims to replace current reconstruction techniques that use harvested bone tissues from different areas, promoting natural healing powers.

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.

Hemidystrophic thorax mimicking scoliosis

A new form of Chest Wall Deformity has been discovered in patients with mild scoliosis and without it, characterized by rib humps mimicking scoliosis. Long-term observations are necessary to draw a final conclusion on prognosis.

Scientists reveal rules for making ribs

Researchers from USC discovered that the levels of Hedgehog protein determine whether cells form bone or cartilage in developing ribs. High Hh concentrations favor bone formation, while lower concentrations promote cartilage growth.

Ultrasound imaging of the brain and liver

Researchers have developed new noninvasive ultrasound techniques to image the brain and liver, overcoming limitations caused by bones in these areas. The DORT method uses a multi-element array to focus ultrasound waves through bones, while a lens-based transcranial focusing device has been patented for transskull imaging.

3.3-million-year-old fossil reveals the antiquity of the human spine

A 2.5-year-old fossilized toddler from the species Australopithecus afarensis has provided groundbreaking insights into human spinal column development, dating it back over 3.3 million years. This discovery sheds new light on the evolution of bipedalism and modern human body shape.

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.

3.3-million-year-old fossil reveals origins of the human spine

A 3.3 million-year-old fossil skeleton known as Selam has provided the first glimpse into how early human ancestors' spines were organized. The study found that portions of the human spinal structure enabling efficient walking motions emerged over 3.3 million years ago.

Origin of the turtle shell lies in digging

Researchers found that ancient turtles' shells evolved from broadened ribs for burrowing, not protection, in a study published in Current Biology. The discovery sheds light on the earliest beginnings of the turtle shell's unique structure.

Celestron NexStar 8SE Computerized Telescope

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

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.

Indian dancing frog's secretive tadpoles unearthed from sand beds

Researchers have uncovered the first confirmed report of tadpoles from the Indian Dancing frog family, revealing unique adaptations such as muscular eel-like bodies and skin-covered eyes. These findings provide valuable information for conservation of ancient and endemic frogs in the Western Ghats biodiversity hotspot.

3-D printing techniques help surgeons carve new ears

Researchers have developed a low-cost pediatric rib cartilage model using 3D printing, allowing aspiring surgeons to practice auricular reconstruction. The models closely resemble real cartilage and offer the opportunity for individualized practice, potentially improving surgical 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.

Cancer patient receives 3-D printed ribs

A 54-year-old Spanish man received a revolutionary new implant made from 3D printed titanium alloy, designed to replicate the intricate structures of his sternum and ribs. The innovative prosthesis was created by medical device company Anatomics in collaboration with CSIRO's 3D printing facility Lab 22.

Long-term complication rate low in nose job using patient's own rib cartilage

Using a patient's own rib cartilage for rhinoplasty has been associated with low rates of long-term complications and problems at the rib site. The study found that warping and hypertrophic chest scarring had relatively high complication rates, highlighting the need for surgeons to take extra precautions to reduce these issues.

Turtles use muscle power to breathe due to rigid shell

Scientists have found that turtles breathe with the aid of a muscle sling attached to their shell, which contracts and relaxes to aerate the lungs. The origin of this unique ventilatory apparatus was discovered in the ancient fossil reptile Eunotosaurus africanus.

Origin of the unique ventilatory apparatus of turtles

Researchers discovered that tortoises' modern breathing apparatus was already in place in the earliest fossil tortoise, Eunotosaurus africanus. The study suggests a gradual increase in body wall rigidity led to the evolution of both the tortoise shell and unique breathing mechanism.

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.

Results of RIBS IV trial reported at TCT 2014

The RIBS IV trial reported that everolimus-eluting stents (EES) provide superior late angiographic results and better late clinical outcomes compared to drug-eluting balloons (DEB). EES demonstrated a larger in-segment minimal lumen diameter at nine months and higher rates of freedom from target lesion revascularization.

USC researchers discover the healing power of 'rib-tickling'

Researchers found that removing only the rib cartilage, but leaving its surrounding perichondrium intact, allowed for rapid repair within one to two months. This discovery suggests the presence of progenitor or stem cells in the perichondrium, which could lead to new regenerative therapies.

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.

'Tiger stripes' underneath Antarctic glaciers slow the flow

Narrow stripes of dirt and rock beneath massive Antarctic glaciers create friction zones that slow the flow of ice toward the sea. The process is strongly affected by how water infiltrates the space between the ice sheet and the bedrock, researchers found.

Procedural results from the RIBS V trial presented at TCT 2013

The RIBS V trial found that both drug-eluting balloons and stents provide excellent long-term clinical outcomes for patients with bare metal stent restenosis. Angiographic results showed superior late angiographic results for drug-eluting stents, but low rates of clinical and angiographic recurrences in both groups.

Bone tumor in 120,000-year-old Neandertal discovered

A benign bone tumor has been discovered in a 120,000-year-old Neandertal rib fragment, providing a unique link to modern humans. The fibrous dysplasia tumor was identified through advanced imaging techniques and sheds light on the health of ancient human populations.

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.

Secrets of the cicada's sound

Researchers have studied cicadas to understand their sound production, which is unique in the insect world. The cicada's chirp is nonlinear and involves a ribbed membrane that vibrates when its body deforms.

How the turtles got their shells

Researchers studied an extinct South African reptile, Eunotosaurus, to understand the evolution of the turtle shell. The findings revealed that the shell is made up of approximately 50 bones and was gradually modified over millions of years.

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.

Steroids help reverse rapid bone loss tied to rib fractures

Researchers discovered that steroid drugs can suppress a molecule key to rapid bone loss in rib fractures, reversing bone loss and improving lung function. The study's findings challenge the conventional understanding of steroids as causing bone loss.

T. rex's big tail was its key to speed and hunting prowess

Research by University of Alberta graduate student Scott Persons reveals T.rex's long tail was a key factor in its exceptional speed. The dinosaur's caudofemoralis muscles, attached to upper leg bones, provided the power stroke for fast forward movement.

Fluke 87V Industrial Digital Multimeter

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

To have or not to have ribs (a vertebrate story)

Researchers from Instituto Gulbenkian de Ciencia found that making ribs is an active process in vertebrates, balanced by Hox genes. They discovered a coordinated mechanism controlling the production of both ribs and associated muscles.

Jaws -- 4 million B.C.

A 4m shark named Cosmopolitodus hastalis attacked an extinct dolphin species 2.8m long, causing severe damage and intense blood loss, researchers have found through forensic analysis of bite marks on the skeleton.

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.

Prehistoric cold case shows hints of interspecies homicide

Researchers at Duke University propose that a thrown spear, like one used by modern humans, was the likely cause of a fatal injury to a Neandertal man between 50,000 and 75,000 years ago. The wound's downward angle and lack of significant kinetic energy suggest a projectile weapon was used.

Study of oldest turtle fossil

Scientists have found evidence that turtle shells are bony extensions of their backbones and ribs. The oldest known turtle fossil, Odontochelys semitestacea, has a partial shell extending from its backbone and widening of ribs, suggesting it was a water dweller.

How alligators rock and roll

Researchers discovered that alligators use a combination of muscles to shift their lungs and maneuver in the water. This unique ability allows them to dive, surface, and roll sideways without creating disturbance. The study highlights the importance of specialized muscles in aquatic animals for navigation and stealth.

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.

OHSU surgeons challenge age-old practice

Researchers at OHSU are testing a new device called the U-plate to aid in repairing broken ribs. The study aims to identify individuals who benefit most from surgical repair versus nonsurgical therapy.