Science and Technology

Retrieval-augmented generation, often shortened to RAG, combines large language models with enterprise knowledge sources to produce responses grounded in authoritative data. Instead of relying solely on a model’s internal training, RAG retrieves relevant documents, passages, or records at query time and uses them as context for generation. Enterprises are adopting this approach to make knowledge work more accurate, auditable, and aligned with internal policies.Why enterprises are moving toward RAGEnterprises face a recurring tension: employees need fast, natural-language answers, but leadership demands reliability and traceability. RAG addresses this tension by linking answers directly to company-owned content.Key adoption drivers include:Accuracy and trust:…

Productivity improvements driven by AI copilots often remain unclear when viewed through traditional measures such as hours worked or output quantity. These tools support knowledge workers by generating drafts, producing code, examining data, and streamlining routine decision-making. As adoption expands, organizations need a multi-dimensional evaluation strategy that reflects efficiency, quality, speed, and overall business outcomes, while also considering the level of adoption and the broader organizational transformation involved.Clarifying How the Business Interprets “Productivity Gain”Before measurement begins, companies align on what productivity means in their context. For a software firm, it may be faster release cycles and fewer defects. For a…

Therapeutic cancer vaccines represent a shift from prevention to active treatment: instead of preventing infection or disease onset, they aim to train the patient’s immune system to recognize and destroy existing tumor cells. Over the past decade, advances in immunology, genomic sequencing, and delivery technologies have moved therapeutic vaccines from concept and small trials toward real-world approvals and large randomized studies. This article explains the core concepts, describes leading modalities and examples, examines clinical data and challenges, and highlights where the field is likely to go next.What defines a therapeutic cancer vaccine?A therapeutic cancer vaccine activates the immune system so…

Large foundation models have captured widespread interest in artificial intelligence thanks to their expansive capabilities, enormous training corpora, and remarkable results across diverse applications. Yet a concurrent transformation is emerging. More compact, domain-focused AI models are steadily proving their strength by prioritizing efficiency, specialized knowledge, and deployment flexibility. Instead of displacing foundation models, these streamlined systems are redefining how organizations evaluate performance, budget considerations, and practical impact.What Defines Smaller, Specialized AI ModelsCompact, purpose-built models are created to address tightly defined objectives. They generally incorporate fewer parameters, draw on carefully curated training datasets, and concentrate on specific sectors or functions, spanning…

Alcohol is one of the most commonly used psychoactive substances worldwide. Many people treat modest drinking—one glass of wine with dinner, a beer after work—as harmless or even beneficial. That view is increasingly challenged by medical evidence showing that even small amounts can raise the risk of injury and disease, interact dangerously with other conditions and medicines, and contribute to long-term harm at a population level. This article explains why “a little” isn’t always harmless, with concrete mechanisms, data, examples, and practical steps.What “a little” meansStandard drink definitions: In the United States a standard drink contains about 14 grams of…

Following nearly thirty years of distinguished service, NASA astronaut Suni Williams has revealed her retirement, drawing to a close a career shaped by resilience, leadership, and groundbreaking accomplishments. Her final assignment, an unforeseen nine-month stretch in orbit during Boeing’s Starliner test mission, has risen as a defining moment in contemporary space exploration.The announcement, confirmed by NASA on Tuesday, formally ends Williams’ tenure in the astronaut corps and transforms what was meant to be a short-duration test flight into her final journey to space. While the agency did not specify the precise timing behind her decision, the retirement caps a career…

Forgetting a person’s name at an awkward moment is nearly universal. Proper names feel different from other words: they slip away while common nouns and facts remain accessible. Understanding why this happens requires looking at how names are stored and retrieved in the brain, how attention and emotion affect encoding, and how age, stress, and language experience change retrieval dynamics.Why proper names stand outProper names are labels with low semantic redundancy. Unlike the word “dog,” which connects to traits, actions, and contexts, a name like “Sarah” has few intrinsic clues linking it to meaning. That sparsity produces several predictable effects:Weak…

Health anxiety, defined as an excessive fear of having or developing a serious medical condition, appears in many forms and intensities, and people often turn to the internet, social media, and symptom-checking apps as their main health information sources. Although easily accessible details can support and inform patients, the same abundance of information can intensify and prolong their worries. This article describes how and why information frequently heightens health anxiety, provides illustrative examples and data-supported trends, and outlines practical approaches for both individuals and clinicians.How are health anxiety and cyberchondria defined?Health anxiety ranges from occasional worry to persistent, distressing preoccupation…

Value-based care shifts the focus of health systems from the volume of services delivered to the outcomes that matter to patients. The central premise is simple: pay for value, not for volume. That reframing affects clinical decisions, payments, measurement, and patient engagement, and it can reduce unnecessary interventions while improving quality, equity, and affordability.The meaning behind value-driven careValue-based care seeks to optimize health outcomes for every dollar invested by:Measuring outcomes: emphasizing clinical results, functional abilities, patient-reported measures (PROMs), and overall experience instead of tallying visits or procedures.Aligning payment: implementing incentives that promote prevention, coordinated care, and demonstrable results, including shared…

Apple’s move to adopt Google’s Gemini artificial intelligence represents a major turning point in the way the company intends to bring sophisticated AI capabilities to millions of users around the globe.Instead of delaying progress to finalize its own large-scale model, Apple is emphasizing rapid deployment, dependable performance, and a refined user experience as it readies a long-awaited enhancement to Siri.Apple confirmed that it will integrate Google’s Gemini AI model into the next generation of Siri, scheduled to arrive later this year. The announcement, made jointly by both companies, highlights a multi-year agreement that allows Apple to use Gemini alongside Google’s…