/ en-us Â鶹ÒùÔº internet news portal provides the latest news on science including: Â鶹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Sarcopenia, which is a progressive and extensive decline in muscle mass and strength, is common with aging and is estimated to affect up to 50% of people aged 80 and older. It can lead to disability and injuries from falls and is associated with a lower quality of life and increased mortality. Apart from lifestyle changes, there is no current clinical treatment for sarcopenia. /news/2025-06-space-grown-muscle-tissues-reveal.html Space Exploration Thu, 26 Jun 2025 11:00:01 EDT news670137910 Chinese scientists have developed a novel nanotherapy known as biomimetic extracellular vesicle spherical nucleic acids (BEV-SNAs), which has shown efficacy in treating idiopathic pulmonary fibrosis (IPF). The study was published in the journal Aggregate. /news/2025-06-biomimetic-nanotherapy-fatal-lung-scarring.html Bio & Medicine Wed, 25 Jun 2025 14:52:03 EDT news670081921 Researchers at Shanghai Jiao Tong University have produced fertile adult mice from embryos constructed entirely with male genetic material. Mice carrying only paternal DNA developed into fertile adults following precision editing of seven imprinting control regions, revealing genomic imprinting as a core barrier to uniparental mammalian development. /news/2025-06-mice-born-dads-reveal-hidden.html Biotechnology Molecular & Computational biology Wed, 25 Jun 2025 10:20:03 EDT news670065510 Sensorineural hearing loss (SNHL) is the most prevalent form of permanent hearing loss, affecting over 6% of the global population, according to the World Health Organization. It results from damage to sensory hair cells in the inner ear or to the auditory nerve pathways that transmit sound to the brain. /news/2025-06-exosome-therapy-approach-sensorineural-loss.html Bio & Medicine Tue, 24 Jun 2025 14:39:05 EDT news669994741 Zebrafish have the remarkable and rare ability to regrow and repair their hearts after damage. New research from Caltech and UC Berkeley has identified the circuit of genes controlling this ability and offers clues about how a human heart might someday be repaired after damage, such as a heart attack or in cases of congenital heart defects. /news/2025-06-genetic-code-enables-zebrafish.html Cell & Microbiology Molecular & Computational biology Tue, 24 Jun 2025 09:41:25 EDT news669976877 Mesenchymal stem cells (MSCs), which can be harvested from fat and bone marrow, have immune-modulating and anti-inflammatory effects that are beneficial for both human and veterinary medicine. However, MSCs have a limited proliferation capacity, with their quality varying depending on the donor's age and where they were harvested from. /news/2025-06-canine-medicine-high-quality-stem.html Biotechnology Veterinary medicine Fri, 20 Jun 2025 10:49:51 EDT news669635387 The placenta and the hormones it produces may have played a crucial role in the evolution of the human brain, while also leading to the behavioral traits that have made human societies able to thrive and expand, according to a new hypothesis proposed by researchers from the Universities of Cambridge and Oxford. /news/2025-06-placenta-hormone-womb-key-drivers.html Evolution Thu, 19 Jun 2025 19:10:01 EDT news669478081 An engineered enzyme is at the center of a new method to visualize molecular details in human cells, and how these molecules change in cancerous versus benign cells, report Boston College researchers in the journal Cell Chemical Biology. /news/2025-06-enzyme-enables-trna-tumor-cells.html Cell & Microbiology Biotechnology Wed, 18 Jun 2025 15:59:53 EDT news669481189 Northwestern Medicine scientists have discovered how cells responsible for hair growth perceive physical forces in their environment and utilize that information to regulate their growth, according to a study published in Science Advances. /news/2025-06-hair-follicles-environment.html Cell & Microbiology Molecular & Computational biology Tue, 17 Jun 2025 13:06:57 EDT news669384405 Scientists at UCLA and the University of Toronto have developed an advanced computational tool, called moPepGen, that helps identify previously invisible genetic mutations in proteins, unlocking new possibilities in cancer research and beyond. /news/2025-06-advanced-software-uncovers-elusive-protein.html Biotechnology Molecular & Computational biology Mon, 16 Jun 2025 13:57:11 EDT news669301020 Scientists at St. Jude Children's Research Hospital, the National Center for Genomic Analysis and the University of Adelaide have created a single-cell RNA analysis method that is 47 times cheaper and more scalable than other techniques. /news/2025-06-imaging-based-technique-democratizes-cell.html Cell & Microbiology Molecular & Computational biology Wed, 11 Jun 2025 16:02:01 EDT news668876516 The African Space Agency was officially inaugurated in Cairo's Space City in April 2025. The event marked a milestone in a process that had been in the works since the early 2000s. Drawing inspiration from the European Space Agency, it unites African Union (AU) member states to harness space technology for development. This is in line with the AU's Agenda 2063, aimed at advancing Africa into a prosperous future. /news/2025-06-benefits-africa-space-agency.html Space Exploration Tue, 10 Jun 2025 15:45:05 EDT news668789102 The stem cell-based embryo model (SCBEM) takes advantage of the flexibility of pluripotent stem cells (non-reproductive cells that can give rise to many different types of cells) to resemble that of embryos. While this model has helped to advance research in diseases and develop therapies or treatments, it has also sparked international debate on what regulations should be placed on this type of experimentation. /news/2025-06-stem-cell-based-embryo-important.html Cell & Microbiology Biotechnology Tue, 10 Jun 2025 11:32:51 EDT news668773962 The International Society for Stem Cell Research (ISSCR) Embryo Models Working Group has released updated recommendations for the oversight and regulation of stem cell-based embryo models (SCBEM), aiming to address rapid advancements and ensure responsible scientific progress. /news/2025-06-group-oversight-stem-cell-based.html Cell & Microbiology Biotechnology Tue, 10 Jun 2025 11:00:01 EDT news668679049 Human development is a beautiful, complex process. Beginning from just two germ cells, the cells divide and double until an entire organism is developed in just under a year. /news/2025-06-claw-machine-approach-large-embryo.html Cell & Microbiology Biotechnology Tue, 10 Jun 2025 11:00:01 EDT news668681590 NASA and ISRO (Indian Space Research Organization) are collaborating to launch scientific investigations aboard Axiom Mission 4, the fourth private astronaut mission to the International Space Station. These studies include examining muscle regeneration, growth of sprouts and edible microalgae, survival of tiny aquatic organisms, and human interaction with electronic displays in microgravity. /news/2025-06-nasa-isro-aboard-fourth-private.html Space Exploration Thu, 05 Jun 2025 13:23:42 EDT news668348616 Boise State University researchers have developed a new technique and platform to communicate with cells and help drive them toward cartilage formation. Their work leverages a 3D biocompatible form of carbon known as graphene foam and is featured on the cover of Applied Materials and Interfaces. /news/2025-06-graphene-foam-lab-grown-cartilage.html Cell & Microbiology Biotechnology Wed, 04 Jun 2025 15:54:03 EDT news668271241 More than 80% of early human embryos contain cells with an incorrect number of chromosomes—a phenomenon called aneuploidy. This typically stems from errors in chromosome segregation during the very first cell divisions. /news/2025-06-genetic-tool-generate-customized-aneuploidies.html Cell & Microbiology Biotechnology Tue, 03 Jun 2025 11:00:01 EDT news668163241 Researchers at The University of Warwick have published the first example of a synthetic sugar detection test for snake venom, offering a new route to rapid diagnosis and better antivenoms. /news/2025-06-sugar-based-sensors-rapid-snake.html Biochemistry Analytical Chemistry Mon, 02 Jun 2025 08:47:18 EDT news668072827 University of Stirling scientists have discovered cells in the skin of Atlantic salmon that offer new insights into how wounds heal, tissues regenerate, and cellular transitions support long-term skin health. /news/2025-05-discovery-insights-skin-salmon.html Plants & Animals Cell & Microbiology Tue, 27 May 2025 10:44:04 EDT news667561442 Flowers grow stems, leaves and petals in a perfect pattern again and again. A new Cornell study shows that even in this precise, patterned formation in plants, gene activity inside individual cells is far more chaotic than it appears from the outside. /news/2025-05-unfold-precision-unruly-genes.html Plants & Animals Molecular & Computational biology Thu, 22 May 2025 16:22:18 EDT news667149735 A team of scientists has answered a long-standing question in cell biology, uncovering how the cell's main energy currency, ATP, is transported into the endoplasmic reticulum (ER). Disrupted energy transport could affect diseases such as type 2 diabetes, cancer, and neurodegenerative disorders. /news/2025-05-atp-journey-key-protein-gateway.html Cell & Microbiology Molecular & Computational biology Wed, 21 May 2025 11:00:17 EDT news667035602 Living in a murky lake around Mexico City, surrounded by aggressive and cannibalistic neighbors, the axolotl lives at constant risk of losing a limb to a neighbor's nibble. Fortunately, lost limbs regrow and are functional in as few as eight weeks. To achieve this feat, the regrowing body parts must "know" their position within the axolotl body to regenerate the right structure for a specific location. /news/2025-05-hand2-positional-code-axolotls-regrow.html Biotechnology Molecular & Computational biology Wed, 21 May 2025 11:00:06 EDT news667043180 Grasses have evolved a wide variety of inflorescences, in which the seeds are arranged in many different ways: Some types form complex, branched inflorescences with multiple seeds, while others—such as barley—have much simpler inflorescences. In barley, each individual grain forms on a short axis called a "rachilla." /news/2025-05-barley-grain-production-linked-peptide.html Molecular & Computational biology Agriculture Tue, 20 May 2025 14:35:03 EDT news666970501 Research from Ph.D. candidate Bohan Chen in the lab of Idse Heemskerk of the Department of Cell and Developmental Biology at the University of Michigan Medical School and their colleagues improves upon a popular experimental model, and in doing so, reveals more of the inner workings of a critical period during the formation of an embryo. /news/2025-05-embryo.html Biotechnology Molecular & Computational biology Thu, 15 May 2025 14:34:54 EDT news666538490 Researchers at the Francis Crick Institute have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four weeks after fertilization. This is the first model of amniotic sac development after two weeks. /news/2025-05-stem-cell-replicates-human-amniotic.html Cell & Microbiology Biotechnology Thu, 15 May 2025 11:00:03 EDT news666509178 The northern white rhinoceros is one of the rarest animals on Earth, with just two females left and no natural way for the species to reproduce. /news/2025-05-genome-extinct-northern-white-rhino.html Plants & Animals Molecular & Computational biology Thu, 15 May 2025 07:23:04 EDT news666512581 Light is all around us, essential for one of our primary senses (sight) as well as life on Earth itself. It underpins many technologies that affect our daily lives, including energy harvesting with solar cells, light-emitting-diode (LED) displays and telecommunications through fiber optic networks. /news/2025-05-science-future-africans-local.html Optics & Photonics Wed, 14 May 2025 12:57:05 EDT news666446221 Scientists at Northwestern University have developed a new approach that directly combats the progression of neurodegenerative diseases like Alzheimer's disease and amyotrophic lateral sclerosis (ALS). /news/2025-05-sugar-coated-nanotherapy-neuron-survival.html Bio & Medicine Nanomaterials Wed, 14 May 2025 08:00:04 EDT news666347288 Bioengineers at Queen Mary University of London have taken a significant step forward in the development of laboratory-based models of human tissues that may be used as alternatives to animal testing. /news/2025-05-scientists-complexity-tissue-alternative-animals.html Cell & Microbiology Biotechnology Tue, 13 May 2025 11:27:04 EDT news666354421