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. Nano-switch achieves first directed, gated flow of excitons A new nanostructure acts like a wire and switch that can, for the first time, control and direct the flow of quantum quasiparticles called excitons at room temperature. /news/2025-09-nano-gated-excitons.html Nanophysics Nanomaterials Thu, 11 Sep 2025 14:56:03 EDT news676821361 Circuits invisible to the naked eye: New technique shrinks microchips beyond current size limits Johns Hopkins researchers have discovered new materials and a new process that could advance the ever-escalating quest to make smaller, faster and affordable microchips used across modern electronics—in everything from cellphones to cars, appliances to airplanes. /news/2025-09-circuits-invisible-naked-eye-technique.html Nanomaterials Thu, 11 Sep 2025 05:00:01 EDT news676783109 Tiny chip can sort and count nanoplastics for better pollution monitoring A first-of-its-kind method that's cheap, portable and powerful in detecting harmful nanoplastics particles has been developed by an international consortium of researchers, with far-reaching implications for global health and environmental science. /news/2025-09-tiny-chip-nanoplastics-pollution.html Environment Mon, 08 Sep 2025 13:48:07 EDT news676558084 Mechanical memory: The clever strategy cells use to move through narrow environments In wound healing, immune response, and cancer metastasis, cells migrate through the body—often squeezing through narrow, confined spaces. Together with experimental collaborators, Professor David Bruckner at the University of Basel, Switzerland, has discovered that cells possess a kind of memory: they can "remember" how they previously navigated such constrictions. This allows them to move more quickly and efficiently through complex tissues. /news/2025-08-mechanical-memory-clever-strategy-cells.html Cell & Microbiology Molecular & Computational biology Tue, 26 Aug 2025 14:40:03 EDT news675437810 Microfluidic device captures blood vessel splitting in action For months, Sabrina Staples stared at a silicone chip no bigger than a postage stamp, trying to coax cells into doing something remarkable. But every time she loaded her delicate microfluidic device with cells, a single rogue bubble would sneak in, destroying the cells and the experiment. /news/2025-08-microfluidic-device-captures-blood-vessel.html Cell & Microbiology Biotechnology Tue, 12 Aug 2025 10:29:04 EDT news674213342 Mapping technique can detect binding of proteins to DNA at single-cell resolution The binding of proteins to DNA is crucial for producing other proteins, ensuring that all the necessary processes in cells are performed, and for switching genes on or off. Proteins that bind to DNA are called transcription factors. Due to the dynamic interactions of transcription factors with DNA, it is difficult to determine where in the genome transcription factor–DNA interactions occur. /news/2025-07-technique-proteins-dna-cell-resolution.html Biotechnology Molecular & Computational biology Mon, 28 Jul 2025 12:28:03 EDT news672924481 Quantum tool could lead to gamma-ray lasers and access the multiverse A University of Colorado Denver engineer is on the cusp of giving scientists a new tool that can help them turn sci-fi into reality. /news/2025-07-quantum-tool-gamma-ray-lasers.html Quantum Âé¶¹ÒùÔºics Wed, 23 Jul 2025 09:10:05 EDT news672480271 Researchers boost semiconductors with magnetic atoms to create more than 20 new materials A new method for combining magnetic elements with semiconductors—which are vital materials for computers and other electronic devices—was unveiled by a research team led by the California NanoSystems Institute at UCLA. /news/2025-07-boost-semiconductors-magnetic-atoms-materials.html Nanophysics Nanomaterials Tue, 22 Jul 2025 07:57:35 EDT news672389849 Need a new 3D material? Build it with DNA When the Empire State Building was constructed, its 102 stories rose above midtown one piece at a time, with each individual element combining to become, for 40 years, the world's tallest building. Uptown at Columbia, Oleg Gang and his chemical engineering lab aren't building Art Deco architecture; their landmarks are incredibly small devices built from nanoscopic building blocks that arrange themselves. /news/2025-07-3d-material-dna.html Bio & Medicine Nanomaterials Wed, 09 Jul 2025 06:48:05 EDT news671262482 Quantum computer simulates spontaneous symmetry breaking at zero temperature For the first time, an international team of scientists has experimentally simulated spontaneous symmetry breaking (SSB) at zero temperature using a superconducting quantum processor. This achievement, which was accomplished with over 80% fidelity, represents a milestone for quantum computing and condensed matter physics. /news/2025-07-quantum-simulates-spontaneous-symmetry-temperature.html Quantum Âé¶¹ÒùÔºics Wed, 02 Jul 2025 16:17:04 EDT news670691821 Small tools, big animals: 430,000-year-old butchery investigated in new study An international research team has published a new study on one of the oldest known sites for the processing of animal meat by humans in the southern Balkans. At Marathousa 1, an archaeological site in the Greek Megalopolis Basin, researchers not only found numerous stone tools that provide clues to human behavior but also remains of the extinct straight-tusked elephant Palaeoloxodon antiquus. /news/2025-07-small-tools-big-animals-year.html Archaeology Wed, 02 Jul 2025 10:18:16 EDT news670670288 Nanoneedle patch offers painless alternative to traditional cancer biopsies A patch containing tens of millions of microscopic nanoneedles could soon replace traditional biopsies, scientists have found. The patch offers a painless and less invasive alternative for millions of patients worldwide who undergo biopsies each year to detect and monitor diseases like cancer and Alzheimer's. The research is published in Nature Nanotechnology. /news/2025-06-nanoneedle-patch-painless-alternative-traditional.html Bio & Medicine Mon, 16 Jun 2025 05:00:04 EDT news669023134 Customizable chips mimic real-life blood vessel structures for disease research Blood vessels are like big-city highways; full of curves, branches, merges, and congestion. Yet for years, lab models replicated vessels like straight, simple roads. /news/2025-05-customizable-chips-mimic-real-life.html Cell & Microbiology Biotechnology Tue, 27 May 2025 16:20:03 EDT news667581601 Paramecium meets cyanobacterium: How two become one When two organisms live together so closely that they merge into a functional unit, this is known as symbiosis. In the "1+1=1" project, an international, interdisciplinary research team is investigating how synthetic symbiosis between microorganisms can be created in a targeted manner—and what this reveals about the formation of complex cell structures. /news/2025-05-paramecium-cyanobacterium.html Cell & Microbiology Biotechnology Mon, 12 May 2025 10:45:09 EDT news666265504 Unique molecule may lead to smaller, more efficient computers Today, most of us carry a fairly powerful computer in our hand—a smartphone. But computers weren't always so portable. Since the 1980s, they have become smaller, lighter, and better equipped to store and process vast troves of data. Yet the silicon chips that power computers can only get so small. /news/2025-05-unique-molecule-smaller-efficient.html Nanophysics Nanomaterials Thu, 01 May 2025 17:04:04 EDT news665337841 Depositing quantum dots on corrugated chips improves photodetector capabilities Near-infrared photodetectors are used in biomedical sensing and defense and security technologies. For enhanced performance and integrated, compact imaging systems, the photodetectors must be able to detect multiple wavelengths of light at once on a single chip. /news/2025-05-depositing-quantum-dots-corrugated-chips.html Nanophysics Nanomaterials Thu, 01 May 2025 14:15:03 EDT news665327701 Amplifier with 10-fold bandwidth opens up for super lasers Rapidly increasing data traffic is placing ever greater demands on the capacity of communication systems. In an article titled "Ultra-broadband optical amplification using nonlinear integrated waveguides" published in Nature, a research team from Chalmers University of Technology, in Sweden, introduce a new amplifier that enables the transmission of 10 times more data per second than those of current fiber-optic systems. /news/2025-04-amplifier-bandwidth-super-lasers.html Optics & Photonics Wed, 09 Apr 2025 11:00:28 EDT news663406261 How did this man's brain turn to glass? Scientists have a theory A young man was lying in his bed when a viciously hot cloud of ash swept down from the erupting Mount Vesuvius and turned his brain to glass almost 2,000 years ago. /news/2025-02-brain-glass-scientists-theory.html Archaeology Thu, 27 Feb 2025 14:01:18 EST news659887268 Supercomputer simulation shows why beneficial mutations rarely lead to hypermutators in real organisms In real life, mutants can arise when their DNA changes to give them an advantage over the rest of the population. A team from the University of Michigan has used simulations on the Pittsburgh Supercomputing Center's Neocortex system to find out why beneficial mutants rarely come to dominate real organisms. /news/2025-02-supercomputer-simulation-beneficial-mutations-rarely.html Evolution Molecular & Computational biology Thu, 06 Feb 2025 10:21:49 EST news658059705 Borrowing nature's blueprint: Scientists replicate bone marrow Hidden within our bones, marrow sustains life by producing billions of blood cells daily, from oxygen-carrying red cells to immune-boosting white cells. This vital function is often disrupted in cancer patients undergoing chemotherapy or radiation, which can damage the marrow and lead to dangerously low white cell counts, leaving patients vulnerable to infection. /news/2025-01-nature-blueprint-scientists-replicate-bone.html Cell & Microbiology Biotechnology Thu, 30 Jan 2025 08:57:07 EST news657449821 Wireless antennas harness light to decode cellular communication signals Monitoring electrical signals in biological systems helps scientists understand how cells communicate, which can aid in the diagnosis and treatment of conditions like arrhythmia and Alzheimer's. /news/2024-12-wireless-antennas-harness-decode-cellular.html Cell & Microbiology Biotechnology Fri, 20 Dec 2024 14:00:01 EST news653907601 Astronaut-on-a-chip: Multi-organ tissue chips simulate space radiation's impact on human health As astronauts venture further into space, their exposure to harmful radiation rises. Researchers from Columbia University are simulating the effects of space radiation here on Earth to determine its impact on human physiology using multi-organ tissue chips. Their work documents the differential effects seen in tissues after acute and prolonged radiation exposure and identifies multiple genes of interest that could help inform the development of future radioprotective agents. /news/2024-12-astronaut-chip-multi-tissue-chips.html Biotechnology Wed, 18 Dec 2024 16:17:02 EST news653761015 Âé¶¹ÒùÔºicists magnetize a material with light: Terahertz technique could improve memory chip design MIT physicists have created a new and long-lasting magnetic state in a material, using only light. /news/2024-12-physicists-magnetize-material-terahertz-technique.html Condensed Matter Optics & Photonics Wed, 18 Dec 2024 11:00:01 EST news653735161 New on-chip device uses exotic light rays in 2D material to detect molecules Researchers have developed a highly sensitive detector for identifying molecules via their infrared vibrational "fingerprint." This innovative detector converts incident infrared light into ultra-confined "nanolight" in the form of phonon polaritons within the detector´s active area. /news/2024-11-chip-device-exotic-rays-2d.html Nanophysics Nanomaterials Mon, 18 Nov 2024 09:34:13 EST news651144841 Squishy microgels in granular biomaterials confine and direct cell behavior A simple biomaterial-based strategy that can influence the behavior of cells could pave the way for more effective medical treatments such as wound healing, cancer therapy and even organ regeneration, according to a research team at Penn State. /news/2024-11-squishy-microgels-granular-biomaterials-confine.html Cell & Microbiology Biotechnology Wed, 13 Nov 2024 13:20:09 EST news650726401 Compact in-incubator imaging device allows real-time remote monitoring of cell growth Unlike most cells in the human body, stem cells have the unique ability to divide indefinitely. This property makes them especially appealing to scientists exploring ways to extend human lifespans or develop new methods for repairing damaged tissues. /news/2024-10-compact-incubator-imaging-device-real.html Cell & Microbiology Biotechnology Wed, 30 Oct 2024 09:24:04 EDT news649499041 Scientists demonstrate precise control over artificial microswimmers using electric fields In a new study in Âé¶¹ÒùÔºical Review Letters, scientists have demonstrated a method to control artificial microswimmers using electric fields and fluid flow. These microscopic droplets could pave the way for targeted drug delivery and microrobotics. /news/2024-10-scientists-precise-artificial-microswimmers-electric.html Soft Matter Tue, 29 Oct 2024 08:00:01 EDT news649353436 Custom microfluidic chip design reshapes framework of spatial transcriptomics technology Spatial transcriptomics has emerged as a powerful tool for in situ analysis of gene expression within tissues. However, current technologies still face several challenges, including high costs, limited field of view, and low throughput, significantly hindering their application in large-scale tissue research and the analysis of complex biological processes. /news/2024-09-custom-microfluidic-chip-reshapes-framework.html Biotechnology Molecular & Computational biology Fri, 13 Sep 2024 09:41:03 EDT news645439261 Alzheimer's drug may someday help save lives by inducing a state of 'suspended animation' Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University report that they were able to successfully put tadpoles of Xenopus laevis frogs into a hibernation-like torpor state using donepezil (DNP), a drug approved by the FDA to treat Alzheimer's. /news/2024-08-alzheimer-drug-state-animation.html Bio & Medicine Thu, 22 Aug 2024 12:24:05 EDT news643548242 Rewriting the evolutionary history of critical components of the nervous system A new study has rewritten the conventionally understood evolutionary history of certain proteins critical for electrical signaling in the nervous system. /news/2024-08-rewriting-evolutionary-history-critical-components.html Evolution Molecular & Computational biology Tue, 13 Aug 2024 10:50:33 EDT news642765030