Science and Technology

OpenAI plans to introduce advertising within ChatGPT, offering personalized promotions based on user interactions. The move marks a significant shift in how conversational AI platforms may generate revenue and interact with their users.The announcement signals a new phase for ChatGPT, which has grown rapidly as a popular tool for answering questions, assisting with work, and generating content. While OpenAI has historically relied on subscription revenue from services like ChatGPT Plus, the introduction of ads represents a broader strategy to monetize the free-tier experience.How ads will work within ChatGPTAccording to OpenAI, ads will be contextually relevant, meaning the system may show…

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 aims to maximize health outcomes per dollar spent by:Measuring outcomes: clinical results, functional status, patient-reported outcomes (PROMs), and experience rather than counting visits or procedures.Aligning payment: incentives that reward prevention, coordination, and outcomes (shared savings, bundled payments, capitation, pay-for-performance).Reorienting delivery: team-based…

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 announced that it will bring Google’s Gemini AI model into the upcoming Siri update planned for later this year, with both companies jointly revealing a multi‑year deal enabling Apple to operate Gemini in combination with Google’s cloud systems to power…

A safer path forward for lithium-ion batteriesGroundbreaking advances in battery chemistry are redefining the balance between safety and performance, and a novel electrolyte formulation devised by researchers in Hong Kong presents a compelling path to reducing fire hazards while keeping existing lithium-ion battery production methods intact.Lithium-ion batteries have become an invisible backbone of modern life. They power smartphones, laptops, electric vehicles, e-bikes, medical devices and countless tools that shape daily routines. Despite their efficiency and reliability, these batteries carry an inherent risk that has become increasingly visible as their use has expanded. Fires linked to lithium-ion batteries, while statistically rare,…

Whole-person health is a practical orientation to care that treats people as integrated beings rather than a collection of isolated symptoms. It blends medical treatment with attention to mental, social, economic, behavioral and environmental drivers of health. In practice, whole-person health shifts systems from episodic, disease-focused encounters toward continuous, personalized partnerships that reduce suffering, improve outcomes and lower avoidable costs.Essential elements of comprehensive whole-person well-beingPhysical health: science-backed prevention, comprehensive chronic disease management, support for mobility and physical functioning, along with careful focus on sleep, diet and regular physical activity.Mental and behavioral health: consistent screening and readily available treatment for depression,…

Artificial intelligence shifted from a hopeful breakthrough to an urgent global flashpoint in 2025, rapidly transforming economies, politics and everyday life far faster than most expected, turning a burst of tech acceleration into a worldwide debate over power, productivity and accountability.How AI transformed the world in 2025 and what the future may bringThe year 2025 will be remembered as the point when artificial intelligence shifted from being viewed as a distant disruptor to becoming an unavoidable force shaping everyday reality, marking a decisive move from experimentation toward broad systemic influence as governments, companies and citizens were compelled to examine not…

Strong evidence supports exercise as a clinically meaningful intervention for depressive symptoms across ages and settings. The benefit is not uniform for every person or every protocol, so understanding the dose — frequency, intensity, time, type — and how to individualize it is essential for achieving reliable mood improvement.What the available evidence revealsMultiple randomized trials and meta-analyses indicate that exercise delivers a modest yet meaningful antidepressant effect, with pooled standardized mean differences typically ranging from about -0.3 to -0.6, reflecting symptom relief that many individuals find clinically significant.Benefits appear across both aerobic and resistance training approaches, as well as in…

Volcanic eruption may have triggered the Black Death, study suggestsRecent studies suggest that a colossal volcanic eruption during the mid-14th century might have triggered a series of events culminating in the Black Death, one of the most lethal pandemics in human history. By integrating climate data from tree rings, ice cores, and historical documents, researchers are illuminating how environmental and societal elements converged to form an ideal scenario for the plague.Researchers have long studied the Black Death, which ravaged Europe between 1347 and 1351, claiming the lives of at least 25 million people—roughly half of the continent’s population at the…

Unprecedented dinosaur trackways unveiled in Bolivia’s Carreras PampasOver 16,000 fossilized footprints unearthed in Bolivia present a vivid glimpse into the movements of theropod dinosaurs from over 100 million years ago. These tracks, preserved along an ancient shoreline, offer rare insights into how these predators navigated their environment during the late Cretaceous period.The Carreras Pampas site, situated within Bolivia’s Torotoro National Park, has revealed an extraordinary concentration of theropod footprints, with scientists recently identifying 16,600 impressions. This number exceeds any previously recorded tracksite in terms of sheer volume. The preserved tracks cover approximately 80,570 square feet (7,485 square meters) and include…

NASA is getting ready to send two identical probes on an innovative, circuitous route to Mars, with the goal of uncovering the mysteries surrounding the planet's vanished atmosphere.The mission, named EscaPADE—short for Escape and Plasma Acceleration Dynamics Explorers—plans to undertake an unprecedented orbital trajectory to study how Mars gradually lost its atmosphere billions of years ago. Spearheaded by the University of California, Berkeley, and supported by aerospace companies Advanced Space and Rocket Lab, the project represents a bold experiment in low-cost planetary exploration. Unlike typical Mars missions that rely on direct paths during tight launch windows, EscaPADE will follow a…