Science and Technology

Obesity is increasingly recognized not as a simple result of willpower or a cosmetic issue, but as a complex, chronic health condition with biological, behavioral, social, and environmental drivers. That recognition has driven a substantive shift in prevention, clinical care, public policy, and research. This article explains the reasons for the change, summarizes evidence and examples, describes new tools and models of care, and considers challenges and implications for patients, clinicians, and societies.Understanding obesity and its significanceObesity is usually defined by body mass index (BMI) thresholds (BMI ≥30 kg/m² for adults), but BMI is a crude measure that does not…

Artificial intelligence workloads have reshaped how cloud infrastructure is designed, deployed, and optimized. Serverless and container platforms, once focused on web services and microservices, are rapidly evolving to meet the unique demands of machine learning training, inference, and data-intensive pipelines. These demands include high parallelism, variable resource usage, low-latency inference, and tight integration with data platforms. As a result, cloud providers and platform engineers are rethinking abstractions, scheduling, and pricing models to better serve AI at scale.Why AI Workloads Stress Traditional PlatformsAI workloads differ greatly from traditional applications across several important dimensions:Elastic but bursty compute needs: Model training can demand…

Obesity and excess weight are long‑term, often recurrent conditions shaped by intertwined biological, environmental, and behavioral factors, and medications used for weight management have become increasingly valuable tools that can deliver significant weight reduction, enhance metabolic wellbeing, and lessen overall disease impact when incorporated into a comprehensive treatment strategy; this article outlines how these therapies function, reviews the supporting evidence, highlights major risks, and offers grounded expectations for both patients and clinicians.How weight-loss medications workMedications influence multiple physiological systems involved in appetite control, fullness signals, digestive processes, and overall energy regulation:Appetite-modulating incretin receptor agonists (GLP-1 and dual GLP-1/GIP agonists) curb…

Synthetic data refers to artificially generated datasets that mimic the statistical properties and relationships of real-world data without directly reproducing individual records. It is produced using techniques such as probabilistic modeling, agent-based simulation, and deep generative models like variational autoencoders and generative adversarial networks. The goal is not to copy reality record by record, but to preserve patterns, distributions, and edge cases that are valuable for training and testing models.As organizations collect more sensitive data and face stricter privacy expectations, synthetic data has moved from a niche research concept to a core component of data strategy.How Synthetic Data Is Transforming…

Space technology is experiencing swift evolution as commercialization, digital innovation, and sustainability targets reshape the sector, with governments no longer acting as the exclusive forces behind space initiatives. Private enterprises, emerging startups, and global collaborations now hold pivotal influence. At the heart of this transformation lie reusable launch systems, steadily altering the frequency, cost efficiency, and dependability with which payloads are delivered to orbit.Reusability as a Cost and Access RevolutionReusable launch systems are reshaping the economics of spaceflight. Traditionally, rockets were discarded after a single mission, making each launch extremely expensive. Today, reusability focuses on recovering and refurbishing key components,…

microLED represents a display technology composed of microscopic light-emitting diodes in which each pixel generates its own illumination. In contrast to LCD, it eliminates the need for a backlight, and unlike OLED, it avoids organic compounds that deteriorate rapidly. For wearables and augmented reality devices, this blend of self-emissive pixels, high brightness, and long operational life helps overcome persistent constraints related to size, energy efficiency, and long-term durability.Wearables and AR systems require displays that remain ultra-compact, easily visible under direct sunlight, energy-conscious, and able to deliver exceptionally high pixel density. As these needs grow, microLED development has become increasingly synchronized…

In-orbit servicing describes the capability to examine, fix, refuel, enhance, or relocate spacecraft once they have been deployed, and although it was once viewed as experimental, it is increasingly recognized as a strategic asset with broad economic, security, and environmental consequences; as orbital space grows more crowded and competitive, the capacity to sustain and modify existing satellites is transforming how governments and private entities design and manage long-term space activities.The Economic Rationale: Maximizing the Longevity of High-Value AssetsContemporary satellites, particularly those positioned in geostationary orbit, can demand hundreds of millions of dollars for design, launch, and insurance, and their service…

Confidential computing is a security paradigm designed to protect data while it is being processed. Traditional security models focus on data at rest and data in transit, but leave a gap when data is in use within memory. Secure enclaves close that gap by creating hardware-isolated execution environments where code and data are encrypted in memory and inaccessible to the operating system, hypervisor, or other applications.Secure enclaves serve as the core mechanism enabling confidential computing, using hardware-based functions that form a trusted execution environment, validate integrity through cryptographic attestation, and limit access even to privileged system elements.Key Drivers Behind AdoptionOrganizations…

Sixth-generation wireless systems, commonly referred to as 6G, are expected to emerge around the early 2030s, building on the foundations of 5G and early 5G-Advanced deployments. While formal standards are still years away, research communities, governments, and industry leaders are already shaping the technological pillars that will define 6G. Unlike previous generations that focused primarily on higher data rates, 6G research is driven by a broader ambition: integrating communication, sensing, intelligence, and computation into a unified digital fabric.Terahertz and Sub-Terahertz CommunicationOne of the most visible technologies enabling early 6G research is the exploration of terahertz (THz) and sub-terahertz frequency bands,…

Robotics is moving from isolated automation toward systems that work alongside people, learn from data, and adapt to complex environments. Three categories dominate today’s conversation: humanoid robots, warehouse automation robots, and collaborative robots known as cobots. Each reflects different market needs, technological capabilities, and economic pressures. Understanding how these trends interact explains where robotics is heading and why investment and adoption are accelerating.Humanoid Robots: Transitioning from Research Symbols to Real-World TrialsHumanoid robots are crafted to mirror human shape and motion, allowing them to function within environments created for people, and although they spent decades mostly limited to labs and staged…