Âé¶¹ÒùÔº - latest science and technology news stories / en-us Âé¶¹ÒùÔº internet news portal provides the latest news on science including: Âé¶¹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Hybrid metasurface modulates light at low voltages for energy-efficient optics Metasurfaces are two-dimensional (2D), nanoengineered surfaces that interact strongly with electromagnetic waves and can control light with remarkable precision. These ultra-thin layers can be used to develop a wide range of advanced technologies, including optical photonic, sensing and communication systems. /news/2025-10-hybrid-metasurface-modulates-voltages-energy.html Optics & Photonics Mon, 20 Oct 2025 06:30:01 EDT news679928445 Microscopic DNA 'flowers' could deliver medicine exactly where it's needed Researchers at the University of North Carolina have created microscopic soft robots shaped like flowers that can change shape and behavior in response to their surroundings, just like living organisms do. These tiny "DNA flowers" are made from special crystals formed by combining DNA and inorganic materials. They can reversibly fold and unfold in seconds, making them among the most dynamic materials ever developed on such a small scale. /news/2025-10-microscopic-dna-medicine.html Bio & Medicine Mon, 20 Oct 2025 05:00:14 EDT news679908661 New insights into how salt gathers at common solvent surfaces New research led by Flinders University has shed light on one of chemistry's big mysteries by describing how simple salts exist near the surface of liquid solvents. /news/2025-10-insights-salt-common-solvent-surfaces.html Analytical Chemistry Materials Science Fri, 17 Oct 2025 11:30:03 EDT news679919401 Record spin waves thanks to flux quanta Spin waves are considered to be promising candidates for a new form of electronics. Instead of electrons, the focus here is on magnons. These quantized units of spin waves describe how spin precession propagates. Similar to electrons, magnons can transmit information in a conductor. However, they do so with much lower resistance and thus a fraction of the energy consumption. /news/2025-10-flux-quanta.html Condensed Matter Quantum Âé¶¹ÒùÔºics Thu, 16 Oct 2025 11:10:13 EDT news679831217 DNA signaling cascades offer a better way to monitor drug therapy at home Chemists at Université de Montréal have developed "signaling cascades" made with DNA molecules to report and quantify the concentration of various molecules in a drop of blood, all within five minutes. /news/2025-10-dna-cascades-drug-therapy-home.html Bio & Medicine Thu, 16 Oct 2025 00:10:03 EDT news679680362 Electron microscope technique achieves sub-Ã…ngström resolution with lower cost and energy A team of researchers at the University of Victoria (UVic) have achieved an advance in electron microscopy that will allow scientists to visualize atomic-scale structures with unprecedented clarity using lower-cost and lower-energy microscopes than ever before. /news/2025-10-electron-microscope-technique-ngstrm-resolution.html Bio & Medicine Nanomaterials Wed, 15 Oct 2025 11:15:03 EDT news679745701 Researchers achieve atomic-scale control of quantum interference In a study published in Nature Communications, a research team demonstrates the all-electrical control of quantum interference in individual atomic spins on a surface. /news/2025-10-atomic-scale-quantum.html Condensed Matter Quantum Âé¶¹ÒùÔºics Tue, 14 Oct 2025 11:42:03 EDT news679660921 Peptide nanotubes show promise for overcoming chemotherapy resistance A research team at CiQUS (University of Santiago de Compostela, Spain) has unveiled an innovative molecular approach that enables anticancer drugs to reach the nucleus of tumor cells, where they can exert their therapeutic effect. The study focused on doxorubicin, a widely used chemotherapy agent. Prolonged exposure to this drug often leads to the emergence of resistant cells, a major clinical challenge that this strategy successfully overcomes while preserving the drug's antitumor activity. /news/2025-10-peptide-nanotubes-chemotherapy-resistance.html Bio & Medicine Fri, 10 Oct 2025 12:50:01 EDT news679319004 Nasal spray with gold nanoparticles delivers targeted treatment to the brain Tiny gold particles that act as carriers for lithium can be delivered directly to the brain in the form of a nasal spray. Developed by scientists at the Università Cattolica Rome campus/Fondazione Policlinico Universitario A. Gemelli IRCCS, the new nanotechnological device can be used for the treatment and prevention of neuropsychiatric and neurodegenerative diseases. /news/2025-10-nasal-spray-gold-nanoparticles-treatment.html Bio & Medicine Nanomaterials Wed, 08 Oct 2025 12:29:04 EDT news679145334 Algorithm reveals 'magic sizes' for assembling programmable icosahedral shells at minimal cost Over the past decade, experts in the field of nanotechnology and materials science have been trying to devise architectures composed of small structures that spontaneously arrange themselves following specific patterns. Some of these architectures are based on so-called icosahedral shells, structures with 20 different triangular faces that are symmetrically organized. /news/2025-10-algorithm-reveals-magic-sizes-programmable.html Nanophysics Nanomaterials Wed, 08 Oct 2025 06:30:02 EDT news679054911 Eco-friendly technology removes toxic PFAS from water Rice University researchers, in collaboration with international partners, have developed the first eco-friendly technology to rapidly capture and destroy toxic "forever chemicals" (PFAS) in water. The findings, recently published in Advanced Materials, mark a major step toward addressing one of the world's most persistent environmental threats. /news/2025-10-eco-friendly-technology-toxic-pfas.html Environment Tue, 07 Oct 2025 14:19:04 EDT news679065541 Polymer scaffold can self-assemble in tissue to deliver multiple vaccine components over time Sometimes, the best way to achieve a big outcome is to start small. That principle is at the center of new work from a University of Virginia researcher who specializes in nanotechnology and controlled delivery of medical treatments. /news/2025-10-polymer-scaffold-tissue-multiple-vaccine.html Bio & Medicine Tue, 07 Oct 2025 11:51:04 EDT news679056661 Cracking the secret of Kanazawa gold leaf's brilliant texture Kanazawa gold leaf is a traditional Japanese material known for its remarkable thinness, just 100 nanometers—about 1/1,000 the diameter of a human hair—and its brilliant shine. /news/2025-10-secret-kanazawa-gold-leaf-brilliant.html Nanomaterials Tue, 07 Oct 2025 09:15:04 EDT news679047301 Molecular motors drive new non-invasive cancer therapies Imagine tiny machines, smaller than a virus, spinning inside cancer cells and rewiring their behavior from within. No surgery, no harsh chemicals, just precision at the molecular level. /news/2025-10-molecular-motors-invasive-cancer-therapies.html Bio & Medicine Nanomaterials Mon, 06 Oct 2025 13:00:03 EDT news678973439 Gap-controlled infrared method enables analysis of molecular interfaces A novel spectroscopic method developed at Institute of Science Tokyo, Japan, enables highly sensitive analysis of molecules at material interfaces, using a combination of conventional ATR-IR, precise gap-control and advanced data processing. The technique offers a low-cost alternative to conventional interfacial spectroscopy and has potential applications in material sciences, nanotechnology, and biological sciences. /news/2025-10-gap-infrared-method-enables-analysis.html Analytical Chemistry Fri, 03 Oct 2025 11:21:04 EDT news678709262 AI-generated nanomaterial images fool even experts, study shows Black-and-white images of pom-pom–like clusters, semi-translucent fields of tiny dark gray stars on a pale background, and countless other abstract patterns are a familiar sight in scientific papers describing the shapes and properties of newly engineered materials. /news/2025-10-ai-generated-nanomaterial-images-experts.html Nanomaterials Thu, 02 Oct 2025 09:45:19 EDT news678617110 Floquet Chern insulators based on nonlinear photonic crystals achieved Over the past few years, engineers and material scientists have been trying to devise new optical systems in which light particles (i.e., photons) can move freely and in useful ways, irrespective of defects and imperfections. Topological phases, unique states of matter that are not defined by local properties, but by non-local and global features, can enable the robust movement of photons despite material defects. /news/2025-09-floquet-chern-insulators-based-nonlinear.html Nanophysics Nanomaterials Thu, 02 Oct 2025 06:30:02 EDT news678368479 Energy researchers discover fraction of an electron that drives catalysis A team of researchers from the University of Minnesota Twin Cities College of Science and Engineering and the University of Houston's Cullen College of Engineering has discovered and measured the fraction of an electron that makes catalytic manufacturing possible. /news/2025-10-energy-fraction-electron-catalysis.html Analytical Chemistry Materials Science Wed, 01 Oct 2025 14:56:23 EDT news678549372 Alpha amino acids' stability may explain their role as early life's protein building blocks A new study from the Hebrew University of Jerusalem published in the Proceedings of the National Academy of Sciences sheds light on one of life's greatest mysteries: why biology is based on a very specific set of amino acids, and in particular, why nature selected alpha amino acids as the foundation for proteins. /news/2025-09-alpha-amino-acids-stability-role.html Biochemistry Analytical Chemistry Mon, 29 Sep 2025 15:00:01 EDT news678360481 Startling images show how antibiotic pierces bacteria's armor A team led by UCL (University College London) and Imperial College London researchers has shown for the first time how life-saving antibiotics called polymyxins pierce the armor of harmful bacteria. /news/2025-09-startling-images-antibiotic-pierces-bacteria.html Cell & Microbiology Molecular & Computational biology Mon, 29 Sep 2025 05:00:07 EDT news678099362 New perspectives on light-matter interaction: How virtual charges influence material responses Understanding what happens inside a material when it is hit by ultrashort light pulses is one of the great challenges of matter physics and modern photonics. A new study published in Nature Photonics and led by Politecnico di Milano reveals a hitherto neglected but essential aspect, precisely the contribution of virtual charges, charge carriers that exist only during interaction with light, but which profoundly influence the material's response. /news/2025-09-perspectives-interaction-virtual-material-responses.html Condensed Matter Optics & Photonics Fri, 26 Sep 2025 12:01:03 EDT news678106861 Nature-inspired nanocage serves as gold nanoparticle reactor Researchers led by Professor Yi-Tsu Chan at National Taiwan University have created a giant molecular cage that mimics nature's nested structures. This layered nanocage is remarkably stable and can serve as a miniature reactor for producing gold nanoparticles. /news/2025-09-nature-nanocage-gold-nanoparticle-reactor.html Nanomaterials Fri, 26 Sep 2025 10:19:03 EDT news678100741 Q&A: How viruses build perfectly symmetrical protective shells Research led by a physicist at the University of California, Riverside, shows how viruses form protective shells (capsids) around their genomes, a process that—while messy and complex—consistently results in highly symmetrical icosahedral structures. /news/2025-09-qa-viruses-symmetrical-shells.html Molecular & Computational biology Wed, 24 Sep 2025 14:00:05 EDT news677862661 Nanovaccine halts tumor growth and reduces cancer recurrence in lab models A research team has developed an approach to significantly reduce the risk of cancer recurrence and metastasis after surgery, by targeting both bulk cancer cells and the elusive cancer stem cells (CSCs) responsible for relapse. /news/2025-09-nanovaccine-halts-tumor-growth-cancer.html Bio & Medicine Wed, 24 Sep 2025 08:59:04 EDT news677923141 Scientists show how to grow more nutritious rice that uses less fertilizer The cultivation of rice—the staple grain for more than 3.5 billion people around the world—comes with extremely high environmental, climate and economic costs. /news/2025-09-scientists-nutritious-rice-fertilizer.html Biotechnology Agriculture Tue, 23 Sep 2025 15:55:34 EDT news677861728 Using nanotechnology to target crop-munching pests and spare beneficial bugs A bane of farmers' existence, it's estimated that plant-eating pests are responsible for the loss of up to 40% of pre-harvest yields globally. But a new generation of crop treatments that target only "bad" bugs could mean big gains for the Canadian agriculture sector, improving pest management tools in an industry that in 2024 generated over $142 billion. /news/2025-09-nanotechnology-crop-munching-pests-beneficial.html Bio & Medicine Nanomaterials Tue, 23 Sep 2025 12:20:01 EDT news677846565 18-member nanoring pushes the boundaries of global aromaticity Pushing the limits of size constraints in chemistry, an 8-nanometer 18-porphyrin nanoring (c-P18) becomes the largest known cyclic molecule to exhibit detectable global aromaticity. This phenomenon, where Ï€-electrons are delocalized not just over individual aromatic units but around the entire macrocyclic ring, is mostly seen in smaller aromatic molecules but rarely found in macrocyclic entities. /news/2025-09-member-nanoring-boundaries-global-aromaticity.html Nanomaterials Fri, 19 Sep 2025 09:49:15 EDT news677494150 Lipid nanoparticles enable targeted RNA therapy for inflammatory bowel diseases Researchers at Tel Aviv University have developed a new approach for using locked nucleic acids (LNAs)—a particularly stable type of RNA—to treat inflammatory bowel diseases such as Crohn's disease and ulcerative colitis. The researchers encapsulated selected LNA molecules, which silence a key gene in colitis, within lipid (fat) nanoparticles that serve as targeted drug carriers and injected the nanoparticles into colitis-model mice. /news/2025-09-lipid-nanoparticles-enable-rna-therapy.html Bio & Medicine Wed, 17 Sep 2025 15:21:03 EDT news677341261 Scientists develop hydrogel platform for long-lasting, precision drug delivery Taking medications on time, in the right dose and for the prescribed duration can be challenging for patients, and failure to do so comes with steep costs, causing 10% of hospitalizations and billions in avoidable spending in the United States alone, according to some estimates. A team of Rice University scientists has developed a new drug delivery platform that could make it easier to complete a therapeutic regimen and even boost drug efficacy. /news/2025-09-scientists-hydrogel-platform-precision-drug.html Bio & Medicine Nanomaterials Wed, 10 Sep 2025 15:04:05 EDT news676735441 Silicon nanowires self-assemble into macroscopic networks for advanced materials Researchers at IMDEA Materials Institute have developed a pioneering method to assemble silicon nanowires into ordered, macroscopic networks: a key step toward expanding their industrial applications. /news/2025-09-silicon-nanowires-macroscopic-networks-advanced.html Nanomaterials Tue, 09 Sep 2025 14:01:00 EDT news676645254