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For many years, scientists have believed that the Universe is expanding faster because of a mysterious force called dark energy . This unknown energy makes up nearly 68% of the Universe, but scientists still do not know what it really is. The most accepted explanation is that dark energy is a constant energy of space, known as the cosmological constant (Λ) . This idea is part of the standard model of cosmology called ΛCDM , which successfully explains many observations about the Universe. However, recent observations have started raising an important question: What if dark energy is not constant? What if it changes with time? A new study by Gil-Ocaranza and his team explores a fascinating possibility — that neutrinos, tiny particles that are everywhere in the Universe, may help create a changing form of dark energy. The researchers suggest that interactions between neutrinos and a very light particle called a scalar field could produce a dynamic dark energy effect. This means dark ene...

Imagine a surface that does not just display information but can physically change its shape, respond to your touch, sense its own movements, and show what it is doing in real time. A new breakthrough from researchers at Rice University and Kyung Hee University is bringing this idea closer to reality with the development of a soft, shape-changing mechanical surface that behaves almost like an artificial skin. Published in Science Advances , the research introduces a magnetically levitated mechanical metasurface that can rapidly transform into thousands of different shapes while remaining flexible, soft and durable. The technology combines movement, sensing and visual feedback into a single intelligent platform, creating a new type of interface between humans and machines. Unlike traditional electronic displays and touchscreens that mainly provide visual information, this new surface can physically interact with users. It can move, deform and communicate changes through both touch and s...

Imagine a tiny robot-like creature moving through flooded tunnels, collapsed buildings, and dangerous environments where humans and machines struggle to reach. This may sound like science fiction, but scientists have taken a major step toward making it a reality. Researchers from Nanyang Technological University (NTU) Singapore and Waseda University have developed a flexible “diving suit” that allows cyborg cockroaches to survive and move underwater and in low-oxygen environments for up to three hours. The breakthrough, published in Nature Communications , could expand the role of cyborg insects in disaster response, infrastructure inspection, and exploration of places that are too difficult or risky for conventional robots. Turning Insects Into Living Robots Cyborg insects are real insects equipped with tiny electronic systems that allow researchers to control their movement. Unlike small artificial robots, which require powerful batteries and motors, cyborg insects use their own musc...

Modern medicine has transformed the way doctors treat complex health problems. From controlling irregular heartbeats to managing neurological disorders, one powerful technique has become increasingly important: electrical stimulation. By sending carefully controlled electrical signals into the body, doctors can activate nerves, muscles, and organs to restore or improve their function. However, most electrical stimulation devices currently used in medicine come with a major challenge — they often remain inside the body permanently or require another surgery to remove them. Now, researchers have developed a groundbreaking alternative: a temporary implant that can deliver electrical therapy and then naturally dissolve inside the body once its job is complete. A team of scientists from Northwestern University, Sungkyunkwan University and other institutions has created a wireless, bioresorbable electrical stimulation system. The device can stimulate organs, nerves, and muscles, but unlike ...

A new generation of intelligent biomaterials can adapt to the body, close wounds faster and fight infections Chronic wounds are one of the most serious medical challenges faced today, especially among people living with diabetes. Unlike normal injuries that heal naturally over time, diabetic wounds often remain open for long periods due to poor blood circulation, delayed tissue repair, excessive inflammation and increased risk of dangerous infections. These complications can lead to severe health problems and, in some cases, even require major medical interventions. Current methods used to close wounds, such as sutures, staples and medical adhesives, can help bring damaged tissues together. However, these methods are mostly passive. They do not actively respond to changes inside the body or provide additional support for the complex biological process of healing. Now, researchers are developing a new generation of smart wound-healing technologies that can interact with the body. Scient...

Scientists have developed a new modular technology that could overcome one of the biggest challenges in creating medical implants: making materials that are both effective inside the body and accepted by the immune system. Researchers led by Jiawei Yang, Assistant Professor in the Department of Mechanical and Materials Engineering at Worcester Polytechnic Institute (WPI), have created a new approach that allows hydrogel implants to be customized according to different medical needs. The breakthrough could improve the performance of future implants used for drug delivery, tissue repair, and medical devices. The research, published in the journal Science Advances , introduces a system that uses specially designed surface coatings to modify hydrogels. These coatings allow scientists to adjust how implants interact with body tissues while maintaining their important functions. The Challenge of Designing Better Implants Hydrogels are flexible, water-filled polymer materials that have attra...

For almost six decades, astronomers believed that Terzan 5 was a typical globular cluster — a tightly packed, spherical group of ancient stars formed together billions of years ago. But new observations from the James Webb Space Telescope have revealed that Terzan 5 is far more mysterious than scientists imagined. A detailed study suggests that Terzan 5 is not a true globular cluster at all. Instead, it may be a rare surviving piece of cosmic history — a “living archaeological relic” that preserves clues about how the Milky Way itself was born and evolved. The discovery, led by Giorgia Zullo from the University of Bologna and the National Institute for Astrophysics (INAF), challenges our understanding of these dense star systems. The research was published in the journal Astronomy & Astrophysics and provides the clearest evidence yet that Terzan 5 has a much more complex history than ordinary star clusters. A Cosmic Mystery Hidden in the Heart of the Galaxy Terzan 5 is located dee...