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. Bringing metallurgy into the 21st century: Precisely shaped metal objects provide unprecedented alloy control Caltech scientists have developed a method to create metallic objects of a precisely specified shape and composition, giving them unprecedented control of the metallic mixtures, or alloys, they create and the enhanced properties those creations will display. Want a stent that is biocompatible and mechanically robust? How about strong but lightweight satellite components that can operate in space for decades? /news/2025-08-metallurgy-21st-century-precisely-metal.html Nanomaterials Fri, 01 Aug 2025 11:39:04 EDT news673267142 Stitched for strength: The physics of jamming in stiff, knitted fabrics School of Âé¶¹ÒùÔºics Associate Professor Elisabetta Matsumoto is unearthing the secrets of the centuries-old practice of knitting through experiments, models, and simulations. Her goal? Leveraging knitting for breakthroughs in advanced manufacturing—including more sustainable textiles, wearable electronics, and soft robotics. /news/2025-07-strength-physics-stiff-fabrics.html General Âé¶¹ÒùÔºics Soft Matter Wed, 30 Jul 2025 11:46:04 EDT news673094761 From thousands of defects, one magnesium oxide qubit emerges as a quantum contender Used as a versatile material in industry and health care, magnesium oxide may also be a good candidate for quantum technologies. Research led by the U.S. Department of Energy's (DOE) Argonne National Laboratory and published in npj Computational Materials reveals a defect in the mineral that could be useful for quantum applications. /news/2025-07-thousands-defects-magnesium-oxide-qubit.html Condensed Matter Quantum Âé¶¹ÒùÔºics Tue, 29 Jul 2025 09:26:17 EDT news672999972 A record catch of krill near Antarctica could trigger an unprecedented end to fishing season Trawling near Antarctica for krill—a crustacean central to the diet of whales and a critical buffer to global warming—has surged to a record and is fast approaching a never before reached seasonal catch limit that would trigger the unprecedented early closure of the remote fishery, The Associated Press has learned. /news/2025-07-krill-antarctica-soars-collapse.html Ecology Tue, 29 Jul 2025 04:52:20 EDT news672983527 Researchers uncover a topological excitonic insulator with a tunable momentum order Topological materials are a class of materials that exhibit unique electronic properties at their boundary (surface in 3D materials; edge in 2D materials) that are robust against imperfections or disturbances and are markedly different from their bulk properties. In other words, these materials could be insulators (i.e., resisting the flow of electrons or heat), and yet be conducting at their boundary (i.e., allowing electrons or heat to easily flow through them). /news/2025-07-uncover-topological-excitonic-insulator-tunable.html Quantum Âé¶¹ÒùÔºics Fri, 25 Jul 2025 07:30:01 EDT news672571742 New AI system forecasts practical applications for newly synthesized materials Every year, thousands of new materials are created, yet many never reach their full potential because their applications aren't immediately obvious—a challenge University of Toronto researchers aim to address using artificial intelligence. /news/2025-07-ai-applications-newly-materials.html Materials Science Thu, 24 Jul 2025 08:26:13 EDT news672564367 Researchers visualize crystal phase changes particle by particle in new simulations The secret to how steel hardens and shape-memory alloys snap into place lies in rapid, atomic-scale shifts that scientists have struggled to observe in materials. Now, Cornell researchers are revealing how these transformations unfold, particle by particle, through advanced modeling techniques. /news/2025-07-visualize-crystal-phase-particle-simulations.html Materials Science Wed, 23 Jul 2025 16:11:58 EDT news672505912 A step toward solving central mystery of life on Earth It is the ultimate mystery of biology: How did life begin? /news/2025-07-central-mystery-life-earth.html Evolution Cell & Microbiology Wed, 23 Jul 2025 09:40:02 EDT news672482178 Ion beam analysis reveals 'forever chemicals' in reusable feminine hygiene products When a reporter with the Sierra Club magazine asked Graham Peaslee, a physicist at the University of Notre Dame, to test several different samples of unused menstrual underwear for per- and polyfluoroalkyl substances (PFAS) in 2019, the results fueled concern over chemical exposure in feminine hygiene products—which ultimately ended up in a $5 million lawsuit against the period and incontinence underwear brand Thinx. /news/2025-07-ion-analysis-reveals-chemicals-reusable.html Analytical Chemistry Tue, 22 Jul 2025 08:00:01 EDT news672299790 Water tornado in the laboratory: A simple experiment simulates planet formation Researchers from the University of Greifswald and the Max Planck Institute for Astronomy (MPIA) in Heidelberg (both in Germany) have developed a prototype experimental setup that simulates flow properties using a water tornado to investigate key physical processes in protoplanetary disks. The setup is inexpensive and easy to construct. /news/2025-07-tornado-laboratory-simple-simulates-planet.html Astronomy Planetary Sciences Mon, 21 Jul 2025 09:18:55 EDT news672308327 Rabi-like splitting arises from nonlinear interactions between magnons in synthetic antiferromagnet Synthetic antiferromagnets are carefully engineered magnetic materials made up of alternating ferromagnetic layers with oppositely aligned magnetic moments, separated by a non-magnetic spacer. These materials can display interesting magnetization patterns, characterized by swift changes in the behavior of magnetic moments in response to external forces, such as radio frequency (RF) currents. /news/2025-07-rabi-nonlinear-interactions-magnons-synthetic.html Quantum Âé¶¹ÒùÔºics Sun, 20 Jul 2025 09:00:01 EDT news672051455 Weird space weather seems to have influenced human behavior on Earth 41,000 years ago Our first meeting was a bit awkward. One of us is an archaeologist who studies how past peoples interacted with their environments. Two of us are geophysicists who investigate interactions between solar activity and Earth's magnetic field. /news/2025-07-weird-space-weather-human-behavior.html Planetary Sciences Sat, 19 Jul 2025 12:30:01 EDT news671800861 Spin currents control device magnetization using low-cost materials Research from the University of Minnesota Twin Cities gives new insight into a material that could make computer memory faster and more energy-efficient. /news/2025-07-currents-device-magnetization-materials.html General Âé¶¹ÒùÔºics Condensed Matter Fri, 18 Jul 2025 10:20:03 EDT news672050657 Electrochemical route allows for synthesis of giant fullerenes at lower cost, less environmental impact A study conducted by researchers at the University of São Paulo (USP) in Brazil and the Università degli Studi di Roma "La Sapienza" in Italy has synthesized fullerenes and hollow spherical graphene particles using only natural graphite, ethanol, water, and sodium hydroxide under ambient conditions. Published in the journal Diamond and Related Materials, the research showed the feasibility of producing structures that previously required extremely high temperatures using an electrochemical route. /news/2025-07-electrochemical-route-synthesis-giant-fullerenes.html Materials Science Thu, 17 Jul 2025 13:08:37 EDT news671976512 New microscopy technique achieves 1-nanometer resolution for atomic-scale imaging Understanding the interaction between light and matter at the smallest scales (angstrom scale) is essential for advancing technology and materials science. Atomic-scale structures, such as defects in diamonds or molecules in electronic devices, can significantly influence a material's optical properties and functionality. To explore these tiny structures, we need to extend the capabilities of optical microscopy. /news/2025-07-microscopy-technique-nanometer-resolution-atomic.html General Âé¶¹ÒùÔºics Optics & Photonics Thu, 17 Jul 2025 10:52:51 EDT news671968367 Scientists achieve first experimental observation of the transverse Thomson effect In a new Nature Âé¶¹ÒùÔºics paper, researchers report the first experimental observation of the transverse Thomson effect, a key thermoelectric phenomenon that has eluded scientists since it was predicted over a century ago. /news/2025-07-scientists-experimental-transverse-thomson-effect.html Condensed Matter Wed, 16 Jul 2025 10:50:09 EDT news671878634 A promising pathway for the electrical switching of altermagnetism The ability to switch magnetism, or, in other words, to change the orientation of a material's magnetic moments, using only electricity, could open new opportunities for the efficient storage of data in hard drives and other magnetic memory devices. While the electrical switching of magnetism has been a long-sought-after research goal, it has so far proved to be difficult to realize. /news/2025-07-pathway-electrical-altermagnetism.html Condensed Matter Tue, 15 Jul 2025 07:30:06 EDT news671702864 Researchers create stable chiral molecules with novel stereogenic centers for future medicines Chirality: like a right hand and a left hand, two molecules can have the same composition, but a different shape and arrangement in space. And this difference can change everything. Understanding and controlling this phenomenon is crucial to drug design. /news/2025-07-stable-chiral-molecules-stereogenic-centers.html Biochemistry Materials Science Tue, 15 Jul 2025 07:15:25 EDT news671782519 Retarding corrosion of a magnesium alloy using a polymer coating in dynamic electrolyte flow conditions Imagine going through a surgery where the doctor proposes the use of a temporary implant that dissolves by itself with time in the human body, thereby avoiding a painful second surgery. As great as that would sound, the challenges are plenty when it comes to designing an implant that has mechanical properties close to that of the human bone, is biocompatible and degrades at an appreciable rate till the bone heals. /news/2025-07-retarding-corrosion-magnesium-alloy-polymer.html Polymers Materials Science Fri, 11 Jul 2025 09:07:42 EDT news671443656 Ancient rhino tooth protein recovery illuminates family tree Scientists have shed new light on the rhino family tree after recovering a protein sequence from a fossilized tooth from more than 20 million years ago. The recovered protein sequences allowed researchers to determine that this ancient rhino diverged from other rhinocerotids during the Middle Eocene-Oligocene epoch, around 41–25 million years ago. /news/2025-07-ancient-rhino-tooth-protein-recovery.html Evolution Paleontology & Fossils Wed, 09 Jul 2025 12:47:56 EDT news671284073 Novel nanostructures in blue sharks reveal their remarkable potential for dynamic color-change New research into the anatomy of blue sharks (Prionace glauca) reveals a unique nanostructure in their skin that produces their iconic blue coloration, but intriguingly, also suggests a potential capacity for color change. /news/2025-07-nanostructures-blue-sharks-reveal-remarkable.html Bio & Medicine Nanomaterials Wed, 09 Jul 2025 08:50:01 EDT news671267534 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 Targeting MXenes for sustainable ammonia production In a hunt for more sustainable technologies, researchers are looking further into enabling two-dimensional materials in renewable energy that could lead to sustainable production of chemicals such as ammonia, which is used in fertilizer. /news/2025-07-mxenes-sustainable-ammonia-production.html Analytical Chemistry Materials Science Tue, 08 Jul 2025 16:18:04 EDT news671210281 Reusing sunflower seed flour can make bread more protein-packed and rich in antioxidants The growing demand for healthy alternatives to traditional wheat products has boosted the search for new functional ingredients. In this context, partially defatted sunflower seed flour (SF)—a by-product of industrial sunflower oil extraction—is a promising option for enriching breads with proteins, fibers, and antioxidant compounds. /news/2025-07-reusing-sunflower-seed-flour-bread.html Agriculture Mon, 07 Jul 2025 15:30:02 EDT news671120728 The oldest rocks on Earth are more than 4 billion years old Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the Greek god of the underworld, reflecting the extreme heat that likely characterized the planet at the time. /news/2025-07-oldest-earth-billion-years.html Earth Sciences Mon, 07 Jul 2025 11:01:04 EDT news671104861 Transport and mass budget of biodegradable microplastics in the Seto Inland Sea Microplastics (MPs) pollution is a prevalent environmental problem that affects ecosystems globally. Despite the growing research on the environmental effects of MPs, a significant research gap remains in understanding the differences of environmental behavior and distribution patterns between biodegradable MPs and traditional MPs. /news/2025-07-mass-biodegradable-microplastics-seto-inland.html Environment Mon, 07 Jul 2025 09:06:01 EDT news671097956 Study uses machine learning to map pH-dependent performance of tin catalysts Some of the most encouraging results for reaction-enhancing catalysts come from one material in particular: tin (Sn). While Sn's overall utility as a catalyst is well-known, its underlying structure-performance relationship is poorly understood, which limits our ability to maximize its potential. /news/2025-07-machine-ph-tin-catalysts.html Materials Science Fri, 04 Jul 2025 06:10:01 EDT news670828074 TaIrTeâ‚„ photodetectors show promise for highly sensitive room-temperature THz sensing Terahertz radiation (THz), electromagnetic radiation with frequencies ranging between 0.1 and 10 THz, could be leveraged to develop various new technologies, including imaging and communication systems. So far, however, a lack of fast and sensitive detectors that can detect radiation across a wide range of frequencies has limited the development of these THz-sensing technologies. /news/2025-07-tairte-photodetectors-highly-sensitive-room.html Condensed Matter Optics & Photonics Thu, 03 Jul 2025 07:50:07 EDT news670648980 We don't know what happens to the waste we recycle, and that's a problem There is a glaring lack of tracking for global recycling. Poor waste management is deeply connected to climate change, plastic pollution and global nutrient imbalances globally. /news/2025-07-dont-recycle-problem.html Environment Wed, 02 Jul 2025 11:47:05 EDT news670675622 Strong magnetic fields flip angular momentum dynamics in magnetovortical matter Angular momentum is a fundamental quantity in physics that describes the rotational motion of objects. In quantum physics, it encompasses both the intrinsic spin of particles and their orbital motion around a point. These properties are essential for understanding a wide range of systems, from atoms and molecules to complex materials and high-energy particle interactions. /news/2025-07-strong-magnetic-fields-flip-angular.html Condensed Matter Quantum Âé¶¹ÒùÔºics Wed, 02 Jul 2025 10:08:03 EDT news670669681