Âé¶ąŇůÔş - latest science and technology news stories / en-us Âé¶ąŇůÔş internet news portal provides the latest news on science including: Âé¶ąŇůÔşics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Sniffing out how stem cells become olfactory neurons in living animals Cellular differentiation of stem cells into specialized cells requires many steps, including division, to create more cells; fate determination, which is a commitment to a specific lineage or developmental path; and migration, to integrate the cell into its final location. /news/2025-08-sniffing-stem-cells-olfactory-neurons.html Cell & Microbiology Molecular & Computational biology Thu, 28 Aug 2025 17:10:05 EDT news675619801 Cells 'vomit' waste to promote healing, but it comes with a trade-off When injured, cells have well-regulated responses to promote healing. These include a long-studied self-destruction process that cleans up dead and damaged cells as well as a more recently identified phenomenon that helps older cells revert to what appears to be a younger state to help grow back healthy tissue. /news/2025-08-cells-vomit.html Cell & Microbiology Thu, 28 Aug 2025 16:44:04 EDT news675618241 White mold fungi split their genome across several nuclei, with implications for future gene-editing Genomes contain the complete library of information required to build and maintain a living organism—the figurative blueprints of life. In eukaryotes, genomes are stored in the nuclei, where they are organized into chromosomes. A eukaryote is an organism whose cells have a nucleus surrounded by a membrane: plants, animals, fungi and many microbes are eukaryotes. /news/2025-08-white-mold-fungi-genome-nuclei.html Molecular & Computational biology Thu, 28 Aug 2025 15:45:03 EDT news675614701 Tiny selenium-packed exosomes help heal brain and spinal cord damage in mice Traumatic injuries of the central nervous system (CNS)—such as traumatic brain injury (TBI) and traumatic spinal cord injury (SCI)—are characterized by oxidative damage and neuroinflammation. Current treatment relies mainly on supportive care and surgical intervention, with a lack of effective drugs to directly target the underlying damage. /news/2025-08-tiny-selenium-exosomes-brain-spinal.html Bio & Medicine Thu, 28 Aug 2025 11:00:02 EDT news675512522 Scientists produce three northern white rhino embryos in race to save species The international BioRescue consortium has entered new grounds in its mission to save the northern white rhinoceros (NWR, Ceratotherium simum cottoni) from extinction. Since the beginning of the year, it has produced three additional northern white rhino embryos. /news/2025-08-scientists-northern-white-rhino-embryos.html Plants & Animals Biotechnology Tue, 26 Aug 2025 15:33:04 EDT news675441179 SpaceX Dragon on way to space station with cargo, new reboost capability A SpaceX Dragon spacecraft is headed for its 50th rendezvous with the International Space Station, bringing cargo and a new reboost capability after having launched from the Space Coast early Sunday. /news/2025-08-spacex-dragon-space-station-cargo.html Space Exploration Mon, 25 Aug 2025 13:10:08 EDT news675331620 Why repetitive DNA matters for human brain evolution and disease For decades, large stretches of human DNA were dismissed as "junk" and considered to serve no real purpose. In a new study published in Cell Genomics, researchers at Lund University in Sweden show that the repetitive part of the human genome plays an active role during early brain development and may also be relevant for understanding brain diseases. /news/2025-08-repetitive-dna-human-brain-evolution.html Evolution Molecular & Computational biology Mon, 25 Aug 2025 13:00:12 EDT news675345601 NASA science, cargo launch on 33rd SpaceX resupply mission to station Following a successful launch of NASA's SpaceX 33rd commercial resupply mission, new scientific experiments and cargo for the agency are bound for the International Space Station. /news/2025-08-nasa-science-cargo-33rd-spacex.html Space Exploration Mon, 25 Aug 2025 09:22:04 EDT news675332522 Zooming in reveals a world of detail: Protein mapping technique reveals inner workings of cells In the past decade, there has been significant interest in studying the expression of our genetic code down to the level of single cells, to identify the functions and activities of any cell through the course of health or disease. /news/2025-08-reveals-world-protein-technique-cells.html Cell & Microbiology Molecular & Computational biology Thu, 21 Aug 2025 14:00:17 EDT news674909810 Ă…ngström-scale optical microscopy deciphers conformational states of single membrane proteins Our remarkable ability to perform complex tasks—such as thinking, observing, and touch—stems from proteins, the tiny nanometer-sized molecules in the body. Despite decades of research, our understanding of the structure and function of such molecular machines within the cellular environment remains limited. /news/2025-08-ngstrm-scale-optical-microscopy-deciphers.html Bio & Medicine Nanophysics Thu, 21 Aug 2025 11:43:03 EDT news674995382 Sensing sour: How SNAP25 powers taste signals and keeps sensory cells alive The tongue contains numerous taste buds—tiny sensory organs responsible for detecting taste. Taste buds consist of specialized cells that translate chemical stimuli into neural signals. Among them, type II cells, which respond to sweet, umami, and bitter stimuli, utilize channel-based signal transmission. /news/2025-08-sour-snap25-powers-sensory-cells.html Cell & Microbiology Molecular & Computational biology Tue, 19 Aug 2025 14:51:04 EDT news674833862 Corn root traits evolved with both human-driven and natural environmental changes, study shows Corn was domesticated from its ancestor teosinte in central Mexico beginning about 9,000 years ago by humans selectively breeding the wild plant, transforming its small, hard-shelled kernels into the large, palatable ears of corn we know today. Over the centuries, root traits of corn—now the most widely planted crop in the U.S., and second globally (by acreage)—evolved in response to both changing environmental conditions and human agricultural practices. /news/2025-08-corn-root-traits-evolved-human.html Evolution Agriculture Tue, 19 Aug 2025 14:17:04 EDT news674831822 New foundational atlas spans the entire Arabidopsis life cycle Serving as the representative plant species in most plant research across the last half century, Arabidopsis thaliana (thale cress) has revealed how plants respond to light, which hormones control plant behavior, and why some plants grow long, deep roots while others grow them shallow and wide. But despite its beloved reputation among plant biologists worldwide, many elements of the Arabidopsis life cycle have remained a mystery. /news/2025-08-foundational-atlas-spans-entire-arabidopsis.html Plants & Animals Molecular & Computational biology Tue, 19 Aug 2025 11:35:05 EDT news674822102 NASA tests potential bone loss treatment for long-duration missions The 33rd SpaceX commercial resupply services mission for NASA, scheduled to lift off from the agency's Kennedy Space Center in Florida in late August, is heading to the International Space Station with an important investigation for the future of bone health. /news/2025-08-nasa-potential-bone-loss-treatment.html Space Exploration Tue, 19 Aug 2025 11:18:20 EDT news674821098 Poplar tree discovery could help shape the future of energy and biomaterials A new study, led by researchers at the University of Missouri, has uncovered how poplar trees can naturally adjust a key part of their wood chemistry based on changes in their environment. This discovery—the result of a collaboration with scientists at Oak Ridge National Laboratory and the University of Georgia—could help create better biofuels and other sustainable products. /news/2025-08-poplar-tree-discovery-future-energy.html Biotechnology Molecular & Computational biology Tue, 19 Aug 2025 10:19:17 EDT news674817548 Scientists witness successful spawn of rare coral on Florida reefs Beneath a cloak of darkness, illuminated only by glow sticks and red-filtered flashlights, researchers waited underwater off Key Largo hoping to witness one of the rarest events of sex in the sea. /news/2025-08-scientists-witness-successful-spawn-rare.html Plants & Animals Ecology Mon, 18 Aug 2025 07:50:01 EDT news674721804 Lab-grown stem cells initiate key steps of human egg and sperm formation More than one-sixth of adults around the world experience infertility in their lifetime. There is a high unmet need not only for increased access to affordable, high-quality fertility care for those in need but, importantly, also for new biomedical solutions that can address the root causes of infertility. /news/2025-08-lab-grown-stem-cells-key.html Biotechnology Molecular & Computational biology Sun, 17 Aug 2025 06:24:48 EDT news674630549 Study finds viruses rely on diverse RNA traits to pack their genomes with precision Researchers at San Diego State University and Michigan State University are shedding new light on how viruses meticulously pack their genetic material — a breakthrough that could help researchers engineer antivirals and gene therapies. /news/2025-08-viruses-diverse-rna-traits-genomes.html Molecular & Computational biology Fri, 15 Aug 2025 14:16:21 EDT news674486171 Chemical tag CRISPR technique could transform genetic disease treatment A new generation of CRISPR technology developed at UNSW Sydney offers a safer path to treating genetic diseases like sickle cell, while also proving beyond doubt that chemical tags on DNA—often thought to be little more than genetic cobwebs—actively silence genes. /news/2025-08-chemical-tag-crispr-technique-genetic.html Biotechnology Molecular & Computational biology Fri, 15 Aug 2025 13:28:05 EDT news674483281 Space mice babies: Stem cells cryopreserved in space produce healthy offspring Features of spaceflight such as gravitational changes and circadian rhythm disruption—not to mention radiation—take a toll on the body, including muscle wasting and decreased bone density. These may even affect the ability to produce healthy offspring. /news/2025-08-space-mice-babies-stem-cells.html Space Exploration Fri, 15 Aug 2025 11:04:25 EDT news674467790 Engineered telomerase RNA and polygenic scores reveal new insights into telomere biology Similar to the way the caps on the ends of a shoelace prevent it from fraying, telomeres—regions of repetitive DNA sequences and a protein structure—protect the tips of chromosomes from damage. /news/2025-08-telomerase-rna-polygenic-scores-reveal.html Biotechnology Molecular & Computational biology Thu, 14 Aug 2025 17:27:04 EDT news674411221 Pressing pause on DNA transcription: Imaging technique reveals what happens at the atomic level A detailed picture of what happens when DNA transcription is paused early in the process has been obtained by structural biologists at RIKEN. This could inform the development of new therapies. /news/2025-08-dna-transcription-imaging-technique-reveals.html Biotechnology Molecular & Computational biology Tue, 12 Aug 2025 10:32:03 EDT news674213521 Lab-made sugar-coated particle reduces COVID-19 infection rates by 98.6% in human cell tests Research led by a Swansea University academic has revealed a synthetic glycosystem—a sugar-coated polymer nanoparticle—that can block COVID-19 from infecting human cells, reducing infection rates by nearly 99%. /news/2025-08-lab-sugar-coated-particle-covid.html Bio & Medicine Mon, 11 Aug 2025 13:13:03 EDT news674136781 Livestock played a role in prehistoric plague infections, genomic study finds Around 5,000 years ago, a mysterious form of plague spread throughout Eurasia, only to disappear 2,000 years later. Known only from ancient DNA, this enigmatic "LNBA plague" lineage has left scientists puzzled about its likely zoonotic origin and transmission. /news/2025-08-livestock-played-role-prehistoric-plague.html Archaeology Mon, 11 Aug 2025 11:00:06 EDT news674123461 Nascent RNA profiling uncovers molecular drivers of cellular differentiation Researchers at Sylvester Comprehensive Cancer Center, part of the University of Miami Miller School of Medicine, have documented their use of a new RNA sequencing technology to uncover molecular drivers of cellular differentiation that could lead to better regenerative therapies. /news/2025-08-nascent-rna-profiling-uncovers-molecular.html Cell & Microbiology Molecular & Computational biology Fri, 08 Aug 2025 09:44:04 EDT news673865041 Room-temperature synthesis produces hollow nanodome catalyst, slashing fuel cell costs and extending life Hydrogen fuel cells, which produce electricity with high efficiency and zero greenhouse gas emissions, are gaining attention as a next-generation clean energy technology. However, their commercialization has been limited by performance degradation during prolonged operation and the high cost of catalyst replacement. /news/2025-08-room-temperature-synthesis-hollow-nanodome.html Nanomaterials Fri, 08 Aug 2025 09:07:04 EDT news673862822 Jawless parasite study uncovers how neural crest cells shaped thyroid evolution The thyroid, a vital endocrine organ in vertebrates, plays a key role in regulating metabolism and supporting growth. The first gland of both the nervous system and endocrine system to mature during an embryo's development, it initially evolved more than 500 million years ago out of a "primitive" precursor organ in chordates known as the endostyle. /news/2025-08-jawless-parasite-uncovers-neural-crest.html Evolution Molecular & Computational biology Thu, 07 Aug 2025 12:37:53 EDT news673789068 Human intestine shows rapid evolutionary changes compared to other mammals Research from an international team finds that the human gut is a site of rapid change, with recent and important deviations from other mammals, including our closest living relative, the chimpanzee. /news/2025-08-human-intestine-rapid-evolutionary-mammals.html Evolution Cell & Microbiology Wed, 06 Aug 2025 14:41:02 EDT news673710058 Predicting stem cell-derived organoid quality with machine learning A research team led by Professor Takuya Yamamoto and Assistant Professor Ryusaku Matsumoto (Department of Life Science Frontiers) has developed a machine learning model that enables early prediction of hypothalamus–pituitary organoid formation from human iPS cells to aid in organoid research and regenerative medicine. /news/2025-08-stem-cell-derived-organoid-quality.html Cell & Microbiology Biotechnology Tue, 05 Aug 2025 10:01:03 EDT news673606861 Small protein, big impact: Insights into how bacteria stabilize a key outer membrane complex Gram-negative bacteria pose a significant threat to global health due to their high resistance to antibiotics compared to that of Gram-positive bacteria. Their formidable defensive capabilities stem from their outer membrane (OM), which acts as a selective barrier against harmful compounds. /news/2025-08-small-protein-big-impact-insights.html Cell & Microbiology Molecular & Computational biology Tue, 05 Aug 2025 10:00:02 EDT news673606227