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Simulations reveal design rules for high-performance DNA particle motors

DNA-nano/microparticle motors are among the fastest artificial molecular motors reported to date, moving at approximately 30 nm per second. However, they are still slower than natural motor proteins (approximately 100–1,000 nm per second), and further improvements in design and performance are required.

Researchers at the Institute for Molecular Science (IMS) and the Graduate University for Advanced Studies, Sokendai, performed geometry-based kinetic simulations that reproduce the motion of DNA-nano/microparticle motors with particle diameters of 100–5,000 nm and identified conditions for improving their speed, run length and unidirectionality.

The work was published in Biophysical Journal.

Preclinical findings show experimental drug eliminates 75% of aggressive pancreatic tumours and enhances immune system memory to fight other cancers

Many solid tumours, including many cancers of the pancreas, breast, colon and lung, protect themselves with a dense wall of scar-like tissue. That wall keeps the immune system’s cancer killing T cells out.

It is a major reason why immunotherapy drugs, which have transformed treatment for some patients, help only a minority of people with solid tumours.

A study published today in Cancer Cell describes an experimental drug that breaks down this barrier from inside the tumour and lets T cells in to attack.

Aaron Benanav on Automation, Technological Unemployment and UBI

Six years ago, two and a half years before ChatGPT, I spent nearly two hours with a historian of unemployment.

Not a futurist. A historian. Aaron Benanav has devoted his career to studying why people can’t find work, and how poorly we measure it when they can’t.

He told me the term “technological unemployment” is inaccurate and misleading.

That was contrarian in 2020. In 2026, with CEOs lining up to announce that #AI will hollow out white-collar work, it sounds almost like heresy. So I went back and listened again.

It holds up uncomfortably well.

We dug into the parts of the #automation debate that rarely make headlines: what the productivity data actually shows, why capital so often chooses to replace people rather than empower them, why the left and the right both champion #UBI for opposite reasons, and what Keynes promised his grandchildren (who, it turns out, are us).

Continue reading “Aaron Benanav on Automation, Technological Unemployment and UBI” | >

Scientists explain amazing theory why your heart doesn’t develop cancer

It was also found that the pumping action stimulated the production of a protein called Nesprin-2, transmitting a signal to the nucleus of a cancer cell to tell it to stop reproducing, as the environment is not suitable.

The study explains that collectively, ‘these results shed light on the role of mechanical forces in protecting the heart from cancer and may pave the way to cancer therapies based on mechanical stimulation’

The results may also suggest ‘potential strategies for cancer therapy based on mechanical stimulation’

Tiny cracks and a 9-volt battery could help fight deadly superbugs

As superbugs become harder to treat and antibiotic resistance continues to rise worldwide, Flinders University scientists have uncovered an unlikely ally in the fight to prevent infections before they take hold. They have found that carefully controlled microscopic cracks can enhance the performance of an antibacterial coating, which helps destroy dangerous bacteria when activated with a small electrical charge.

The discovery could lead to smart wound dressings and wearable devices that monitor health while protecting against infection.

The paper, “Stress-Programmed Microcrack Networks in Gallium–Carbon Nanotube Thin Films for Plasma-Active and Electroresponsive Antibacterial Interfaces,” is published in Small Structures.

Physicists Propose a ‘Supercurrent’ To Read Qubits Without Destroying Their Quantum State

The qubits at the center of quantum computing systems are the equivalent of the binary bits that classical computing processors use – but while classical bits can only be 1 or 0, qubits can be 1, 0, or a blend of both (superposition), a flexibility that promises to transform the power of our computers.

There’s one nagging problem with superposition, which is that as soon as a qubit is accessed and measured, its value then gets fixed to 1 or 0. The instant it’s checked up on, the most useful characteristic of the qubit disappears.

Now researchers from China and Brazil, publishing their work in Physical Review B, think they have a solution to the problem. Essentially, it involves reading the electrical current produced by a qubit, rather than the qubit itself.

Leveraging Data-Driven Decision-Making to Enhance Healthcare Organizational Performance and Service Quality

Abstract

Data-driven decision-making (DDDM) is increasingly important in healthcare management as organizations seek to enhance organizational performance, service quality, patient outcomes, and resource utilization. This qualitative study examines DDDM within the Jamaican healthcare setting, where healthcare leaders operate within a resource-constrained environment and must use clinical, financial, operational, and patient-experience data to inform managerial decisions and service delivery. Although healthcare organizations may have access to substantial amounts of data, data availability alone does not guarantee effective decision-making. Leaders must analyze relevant information, monitor performance indicators, identify service-delivery gaps, and translate findings into evidence-based strategies. The study explores how healthcare leaders in Jamaica use DDDM to support strategic planning, quality improvement, resource allocation, performance monitoring, and organizational accountability. Findings indicate that effective use of data enables healthcare leaders to identify trends, assess performance, monitor service delivery, and implement timely interventions. However, barriers such as inadequate data quality, limited data access, technological limitations, organizational culture, and gaps in leadership and data-analytic competencies may constrain effective data use. Strengthening data literacy, analytical capacity, data governance, and an evidence-based organizational culture may help healthcare leaders translate data into actionable strategies to improve organizational performance and service quality. The implications of these findings are particularly relevant to healthcare organizations in Jamaica. They may be transferable to other healthcare settings only where organizational, technological, leadership, and resource conditions are sufficiently comparable.

Data-Driven Decision Making, Healthcare Management, Healthcare Performance, Service Quality, Quality Improvement, Performance Monitoring, Healthcare Leadership, Data Analytics, Transformational Leadership.