Ciencia y Tecnología

El inminente vuelo tripulado que rodeará la Luna apunta a convertirse en un nuevo hito para la exploración espacial, aunque también reactiva un profundo debate técnico sobre riesgos, decisiones de ingeniería y la manera en que la NASA enfrenta la incertidumbre. A pesar del entusiasmo que despierta Artemis II, permanece una interrogante central: ¿basta el conocimiento disponible para asegurar un retorno sin contratiempos?El 6 de febrero, si no hay nuevos retrasos, cuatro astronautas despegarán rumbo a una misión histórica que los llevará a orbitar la Luna por primera vez en más de medio siglo. Lo harán a bordo de Orión,…

The 2026 Consumer Electronics Show in Las Vegas was dominated by AI, humanoid robots, and devices that push the boundaries of innovation. From towering robots to wearable tech, the event offered a window into the rapidly evolving tech landscape and the bets companies are making on artificial intelligence.This year, CES showcased more than just gadgets—it highlighted how AI is transforming industries, products, and the very way we interact with technology. Companies from around the globe brought their latest innovations, ranging from humanoid robots capable of factory tasks to AI-powered home appliances, smart jewelry, and next-generation chips. While some inventions remain…

OpenAI intends to roll out advertising inside ChatGPT, delivering tailored promotional content shaped by each user’s interactions. This step represents a notable change in how conversational AI platforms might produce revenue and engage with their audiences.The announcement marks a fresh chapter for ChatGPT, a platform that has swiftly expanded as a favored resource for providing answers, supporting tasks, and producing content, and although OpenAI has traditionally depended on subscription income from offerings such as ChatGPT Plus, the move to introduce ads reflects a wider plan to generate revenue from the free-tier experience.How ads will work within ChatGPTAccording to OpenAI, ads…

Health anxiety—worrying excessively about having or developing a serious illness—is common at varying degrees. For many people the internet, social media, and symptom-checking apps are primary sources of health information. While accessible information can empower patients, it can also amplify and maintain anxiety. This article explains how and why information often makes health anxiety worse, illustrates with examples and data-based patterns, and offers practical strategies for individuals and clinicians.How are health anxiety and cyberchondria defined?Health anxiety ranges from occasional worry to persistent, distressing preoccupation that disrupts life. When internet use turns reassurance-seeking into a driver of anxiety, clinicians often use…

Apple’s decision to rely on Google’s Gemini artificial intelligence marks a pivotal shift in how the company plans to deliver advanced AI features to millions of users worldwide. Rather than waiting to perfect its own large-scale model, Apple is prioritizing speed, reliability, and user experience as it prepares a long-anticipated upgrade 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 cloud infrastructure to support new artificial intelligence…

Whole-person health represents a practical approach to care that views individuals as interconnected beings instead of a set of separate symptoms, combining clinical treatment with consideration for mental, social, economic, behavioral and environmental influences on health, and in practice moves systems away from sporadic, disease-centered visits toward ongoing, tailored collaborations that ease suffering, enhance outcomes and reduce unnecessary costs.Essential elements of comprehensive whole-person well-beingPhysical health: evidence-based prevention, chronic disease management, function and mobility, and attention to sleep, nutrition and exercise.Mental and behavioral health: routine screening and accessible treatment for depression, anxiety, substance use, trauma and stress-related conditions.Social determinants of health:…

Artificial intelligence moved from promise to pressure point in 2025, reshaping economies, politics and daily life at a speed few anticipated. What began as a technological acceleration has become a global reckoning about power, productivity and responsibility.How AI reshaped the global landscape in 2025 and what lies aheadThe 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 only what AI is capable…

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 report a small-to-moderate antidepressant effect of exercise. Pooled estimates commonly fall in the standardized mean difference range of about -0.3 to -0.6, indicating clinically relevant symptom reduction for many people.Effects are seen for both aerobic and resistance training, and across supervised and home-based…