/ 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. 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 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 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 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 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 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 A new study by Vanderbilt investigators has uncovered a previously unknown biological mechanism: how tissues detect and respond to damage in basement membranes, the thin layers of extracellular matrix that surround and support nearly every organ in the body. /news/2025-05-tissues-body-hidden.html Cell & Microbiology Molecular & Computational biology Mon, 12 May 2025 10:30:03 EDT news666264601 The deconstruction of cellulose is essential for the conversion of biomass into fuels and chemicals. But cellulose, the most abundant renewable polymer on the planet, is extremely recalcitrant to biological depolymerization. Although composed entirely of glucose units, its crystalline microfibrillar structure and association with lignin and hemicelluloses in plant cell walls make it highly resistant to degradation. /news/2025-05-natural-enzyme-capable-cleaving-cellulose.html Cell & Microbiology Biotechnology Fri, 09 May 2025 12:07:04 EDT news666011221 A study published in the journal Cell marks the first reported instance of generative AI designing synthetic molecules that can successfully control gene expression in healthy mammalian cells. /news/2025-05-ai-dna-genes-healthy-mammalian.html Cell & Microbiology Biotechnology Thu, 08 May 2025 11:00:07 EDT news665911862 Northwestern Medicine investigators have developed first-of-its-kind eyedrops that use synthetic nanoparticles to help the eye regenerate cells that have been damaged by mustard keratopathy, or exposure to mustard gas, and other inflammatory eye diseases, detailed in a recent study published in the journal npj Regenerative Medicine. /news/2025-05-synthetic-nanoparticle-eyedrops-corneas-chemical.html Bio & Medicine Wed, 07 May 2025 14:47:03 EDT news665848021 Sorghum millet is seen as the crop plant of the future: It builds up a particularly high amount of biomass and thrives in harsh conditions. Certain varieties even produce more sugar on salty soils. /news/2025-05-gene-sweet-sorghum-salt-tolerant.html Molecular & Computational biology Agriculture Tue, 06 May 2025 09:36:03 EDT news665742960 Mitochondrial diseases affect approximately 1 in 5,000 people worldwide, causing debilitating symptoms ranging from muscle weakness to stroke-like episodes. Some of these conditions result from mutations in mitochondrial DNA (mtDNA), the genetic material housed in these organelles. For patients with the common m.3243A>G mutation, which can cause MELAS syndrome (mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes) and diabetes mellitus, treatments remain limited. /news/2025-05-enzymes-enable-precise-mitochondrial-dna.html Biotechnology Molecular & Computational biology Fri, 02 May 2025 11:37:04 EDT news665404621 Scientists from The University of Manchester have changed our understanding of how cells in living organisms divide, which could revise what students are taught at school. In a study published today in Science, the researchers challenge conventional wisdom taught in schools for over 100 years. /news/2025-05-scientists-discovery-upends-beliefs-cells.html Cell & Microbiology Molecular & Computational biology Thu, 01 May 2025 15:14:04 EDT news665331242 Just a few weeks after conception, stem cells are already orchestrating the future structure of the human brain. A new Yale-led study shows that, early in development, molecular "traffic cops" known as morphogens regulate the activation of gene programs that initiate stem cells' differentiation into more specialized brain cells. /news/2025-05-morphogens-early-brain-stem-cell.html Cell & Microbiology Molecular & Computational biology Thu, 01 May 2025 14:11:04 EDT news665327461 A team of evolutionary scientists, dermatologists and wildlife specialists affiliated with several institutions in Japan, Kenya and France has found that human skin wounds take nearly three times as long to heal as they do in other primates. In their study, published in the journal Proceedings of the Royal Society B: Biological Sciences, the group conducted experiments involving skin healing speed in humans and several other primates. /news/2025-04-skin-wounds-humans-slower-primates.html Evolution Cell & Microbiology Thu, 01 May 2025 08:50:02 EDT news665246920 Social singing and dance are often assumed to be hard-wired into the human condition; studies have supported the conclusion that these are common across cultures. But new research from a University of California, Davis, anthropologist challenges the idea that dance and lullabies are universal among humans. /news/2025-04-lullabies-universal-human-behaviors.html Social Sciences Tue, 29 Apr 2025 11:00:01 EDT news665134081