Science and Technology

Zero-trust security represents an architectural strategy built on the premise that no user, device, or application is inherently trustworthy, even when operating within a corporate network, and access determinations are continually reassessed based on identity, device status, context, and behavioral signals, offering a clear departure from traditional perimeter-focused security models that automatically grant trust once individuals move inside the network.Cloud Adoption and the Dissolving Network PerimeterOne of the strongest trends driving zero-trust adoption is the rapid migration to cloud and hybrid environments. Organizations increasingly rely on multiple public clouds, software-as-a-service platforms, and APIs that extend beyond traditional firewalls.Workloads move dynamically…

Grasping Net Energy within Fusion ProcessesNuclear fusion seeks to generate energy from fusion reactions in amounts surpassing what is needed to start and maintain them. This objective is commonly known as net energy gain, indicating that the fusion output overtakes the input within a specified system boundary. Scientists differentiate between:Scientific breakeven: the fusion plasma yields energy equal to the amount directly injected into it.Engineering breakeven: the full installation, encompassing its power infrastructure and supporting systems, generates surplus electricity.Achieving engineering breakeven stands as the key benchmark for fusion to function as a practical energy source, and advances toward this goal have…

Blue Origin faced a significant reversal following an incident with its New Glenn rocket during a ground engine test in Florida, introducing fresh doubts about the company’s bold objectives for commercial launches, reusable rocket development, and upcoming lunar exploration initiatives.Blue Origin’s ongoing bid to cement its role as a leading player in today’s space sector faced a fresh setback when a New Glenn rocket suffered a severe malfunction during a hotfire test at Cape Canaveral Space Force Station in Florida, an event that unfolded amid standard prelaunch procedures and gained broad visibility after online footage appeared to capture an explosion…

Software supply-chain attacks have evolved from a niche worry into a major force reshaping contemporary software engineering, as adversaries exploit the trusted tools, libraries, and services developers rely on, enabling a single vulnerability to expose countless organizations, while high-profile breaches in recent years have transformed how teams architect, create, and sustain software, driving security considerations much earlier and more deeply into the entire development process.Understanding Software Supply-Chain AttacksA software supply-chain attack takes place when adversaries penetrate the development or delivery workflow rather than targeting the final application itself, compromising shared elements like open-source libraries, build systems, package registries, or update…

Quantum computers promise exponential speedups for certain problems, but they are exceptionally fragile. Quantum bits, or qubits, are highly sensitive to noise from their environment, including thermal fluctuations, electromagnetic interference, and imperfections in control systems. Even small disturbances can introduce errors that quickly overwhelm a computation.Quantum error correction (QEC) addresses this challenge by encoding logical qubits into entangled states of multiple physical qubits, allowing errors to be detected and corrected without directly measuring and collapsing the quantum information. Over the past decade, several QEC approaches have moved from theory to experimental demonstrations, with measurable improvements in error rates, scalability, and…

Robotic dexterity describes a machine’s capacity to handle objects with precise, adaptable, and dependable control even in dynamic, unpredictable settings. Activities like grasping uneven items, assembling parts, or managing delicate materials call for nuanced manipulation that has long been challenging to encode directly. By combining reinforcement learning with large-scale simulation, researchers are transforming how robots develop these abilities, shifting dexterity away from rigid automation and toward more flexible, human-like interaction.Core Principles of Reinforcement Learning for Skilled Dexterous ControlReinforcement learning is a learning paradigm in which an agent improves its behavior by interacting with an environment and receiving feedback in the…

A recently detected asteroid will pass relatively close to Earth this Monday, attracting the interest of astronomers and space agencies worldwide. Even with the narrow cosmic distance, experts stress that the object poses no risk to the planet and will proceed safely along its trajectory through space.Astronomers are closely monitoring an asteroid identified as 2026JH2, a rocky object that will pass near Earth at a distance of approximately 91,593 kilometers, or about 56,900 miles. According to calculations from the European Space Agency, the object will travel at roughly one quarter of the average distance between Earth and the moon, making…

Artificial intelligence systems are increasingly used to generate scientific results, including hypotheses, data analyses, simulations, and even full research papers. These systems can process massive datasets, identify patterns faster than humans, and automate parts of the scientific workflow that once required years of training. While these capabilities promise faster discovery and broader access to research tools, they also introduce ethical debates that challenge long-standing norms of scientific integrity, accountability, and trust. The ethical concerns are not abstract; they already affect how research is produced, reviewed, published, and applied in society.Authorship, Attribution, and AccountabilityOne of the most immediate ethical debates concerns…

Expectations shape physiology. The terms placebo and nocebo capture the positive and negative consequences of those expectations. A placebo effect occurs when a beneficial health change follows an inert treatment or contextual therapeutic act; a nocebo effect is when negative outcomes or side effects follow due to negative expectations. Both are not “just in the head”: they produce measurable changes in symptoms, biological markers, brain activity, and behavior. Understanding these phenomena matters for clinical care, trial design, public health policies, and ethical communication.Key Definitions and DistinctionsPlacebo: an improvement that stems from psychological influences and situational elements rather than the particular…