Latest Science News -- ScienceDaily


03/21/2025 07:46 PM
Groundbreaking light-driven method to create key drug compounds
Scientists have unveiled a groundbreaking chemical process that could streamline the development of pharmaceutical compounds, chemical building blocks that influence how drugs interact with the body.
03/21/2025 04:36 PM
Origin of life: How microbes laid the foundation for complex cells
Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants.
03/21/2025 04:36 PM
New machine learning framework enhances precision and efficiency in metal 3D printing, advancing sustainable manufacturing
Researchers are leveraging machine learning to improve additive manufacturing, also commonly known as 3D printing. The team introduces a new framework they've dubbed the Accurate Inverse process optimization framework in laser Directed Energy Deposition (AIDED). The new AIDED framework optimizes laser 3D printing to enhance the accuracy and robustness of the finished product. This advancement aims to produce higher quality metal parts for industries, such as aerospace, automotive, nuclear and health care, by predicting how the metal will melt and solidify to find optimal printing conditions.
03/21/2025 04:35 PM
How the brain links related memories formed close in time
If you've ever noticed how memories from the same day seem connected while events from weeks apart feel separate, a new study reveals the reason: Our brains physically link memories that occur close in time not in the cell bodies of neurons, but rather in their spiny extensions called dendrites.
03/21/2025 04:35 PM
how bacteria 'vaccinate' themselves with genetic material from dormant viruses
Scientists say they have shed new light on how bacteria protect themselves from certain phage invaders -- by seizing genetic material from weakened, dormant phages and using it to 'vaccinate' themselves to elicit an immune response.
03/21/2025 04:35 PM
Peacekeeper cells protect the body from autoimmunity during infection
New research shows how a specially trained population of immune cells keeps the peace by preventing other immune cells from attacking their own. The study provides a better understanding of immune regulation during infection and could provide a foundation for interventions to prevent or reverse autoimmune diseases.
03/21/2025 04:35 PM
Transition point in romantic relationships signals the beginning of their end
The end of a romantic relationship usually does not come out of the blue but is indicated one or two years before the breakup. As the results of a psychological study have demonstrated, the terminal stage of a relationship consists of two phases. First, there is a gradual decline in relationship satisfaction, reaching a transition point one to two years before the dissolution of the relationship.
03/21/2025 04:35 PM
Researchers create eco-friendly detergent from wood fiber and corn protein
From laundry detergent to dishwasher tablets, cleaning products are an indispensable part of life. Yet the chemicals that make these products so effective can be difficult to break down or could even trigger ecosystem-altering algal blooms. Now, researchers have addressed those challenges with an environmentally compatible detergent made of tiny wood fibers and corn protein that removes stains on clothes and dishes just as well as commercial products.
03/21/2025 04:35 PM
Scientists witness living plant cells generate cellulose and form cell walls
In a groundbreaking study on the synthesis of cellulose -- a major constituent of all plant cell walls -- a team has captured images of the microscopic process of cell-wall building continuously over 24 hours with living plant cells, providing critical insights that may lead to the development of more robust plants for increased food and lower-cost biofuels production. The discovery reveals a dynamic process never seen before and may provide practical applications for everyday products derived from plants including enhanced textiles, biofuels, biodegradable plastics, and new medical products. The research also is expected to contribute to the fundamental knowledge -- while providing a new understanding -- of the formation of cell walls, the scientists said.
03/21/2025 04:35 PM
Cellular mechanisms that may lead to onset of inflammatory bowel disease
New study shows that dysfunction of protective immune cells in GI tract may contribute to onset of inflammation in Crohn's disease.
03/21/2025 04:35 PM
Groundbreaking study unveils new complexities in synchronization phenomena
A researcher has conducted an experimental demonstration of intricate and previously theorized behaviors in the fundamental patterns that govern oscillatory systems in nature and technology.
03/21/2025 12:15 PM
Southeast Asia's fisheries benefit from small-scale, multispecies capture
Despite decades of warnings about overfishing, Southeast Asia's capture fisheries have proven remarkably robust.
03/21/2025 12:14 PM
Bubbly idea: Ultrafine bubble showers suppress atopic dermatitis
A medical research team has confirmed that ultrafine bubble showers significantly suppress inflammation in mice with atopic dermatitis due to external factors.
03/21/2025 12:14 PM
Research team uncovers structure of cellular protective layer
Scientists have uncovered details of the protective layer that surrounds the fine protrusions of cells.
03/21/2025 12:14 PM
Proton-coupled electron transfer: Deciphered with high pressure
Chemists reveal method for differentiating PCET mechanisms -- a key step for steering fundamental energy conversion and redox catalysis processes.
03/21/2025 12:14 PM
Potential risk biomarkers found for schizophrenia resulting from cannabis use
A new study has analyzed and compared the fatty acids in the blood of individuals with schizophrenia, of those with cannabis use disorder and of those with both diagnoses, with the aim of shedding light on new biomarkers and improving the understanding of the biological relationship between the two disorders. The study also offers a powerful tool for identifying new biomarkers.
03/21/2025 12:14 PM
Nearly half of depression diagnoses could be considered treatment-resistant
Almost half of patients diagnosed with depression classify as being 'treatment-resistant' as new research suggests that many don't respond to multiple antidepressant options.
03/21/2025 12:13 PM
Device enables direct communication among multiple quantum processors
Researchers developed a scalable interconnect that facilitates all-to-all communication among many quantum processor modules by enabling each to send and receive quantum information on demand in a user-specified direction. They used the interconnect to demonstrate remote entanglement, a type of correlation that is key to creating a powerful, distributed network of quantum processors.
03/21/2025 12:13 PM
New real-time method for environmental monitoring
Detecting microplastics and identifying plant stress at an early stage -- this and much more can now be done thanks to a new method based on near-infrared light measurements. It is inexpensive and works in real time.
03/21/2025 12:13 PM
VR study reveals how pain and fear weaken sense of body ownership
A study found that when people were told to imagine their virtual bodies in pain, their brains resisted the illusion of ownership. Their findings could provide insights into why some people may struggle with feeling connected to their own bodies, particularly in contexts involving depersonalization or negative physical states.
03/21/2025 12:13 PM
Nursery of the blood: How stem cells calm the body's immune response
Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways of blood cells in humans. The results yielded a surprise: Even stem cells possess surface proteins that enable them to suppress the activation of inflammatory and immune responses in the body. This finding is particularly relevant for stem cell transplants, applied for the treatment of e.g. leukemia.
03/21/2025 12:13 PM
New eye drops slow vision loss in animals
Researchers have developed eye drops that extend vision in animal models of a group of inherited diseases that lead to progressive vision loss in humans, known as retinitis pigmentosa.
03/21/2025 12:13 PM
Boosting brain's waste removal system improves memory in old mice
Aging compromises the lymphatic vessels surrounding the brain, disabling waste drainage from the brain and impacting cognitive function. Researchers boosted lymphatic vessel integrity in old mice and found improvements in their memory compared with old mice without rejuvenated lymphatic vessels.
03/20/2025 11:18 PM
Green recipe: Engineered yeast boosts D-lactic acid production
Researchers have engineered yeast to efficiently convert methanol into D-lactic acid, a key compound for biodegradable plastics and pharmaceuticals. By optimizing gene and promoter combinations, they achieved the highest reported yield to date, offering a sustainable alternative to petroleum-based production. Their findings advance eco-friendly chemical manufacturing.
03/20/2025 11:18 PM
Shrinking Andean glaciers threaten water supply of 90 million people, global policy makers warn
Scientists will warn policymakers that the shrinking glaciers of the Andes threaten the water supply of 90 million people on the South American continent at the first-ever World Day for Glaciers hosted by UNESCO in Paris.
03/20/2025 11:18 PM
Almost half of children with complicated appendicitis can recover from surgery at home
Almost half of children who require surgery for complicated appendicitis can safely complete their recovery at home, according to a new study.
03/20/2025 11:16 PM
Aotearoa once home to elephant seals
Southern elephant seals are the 'canary in the coal mine' for the Southern Ocean, offering insight into how the ecosystem may react to future climate change and human impact, new research shows.
03/20/2025 09:43 PM
New DESI results strengthen hints that dark energy may evolve
The Dark Energy Spectroscopic Instrument used millions of galaxies and quasars to build the largest 3D map of our universe to date. Combining their data with other experiments shows signs that the impact of dark energy may be weakening over time -- and the standard model of how the universe works may need an update.
03/20/2025 07:53 PM
Galapagos birds exhibit 'road rage' due to noise
A new study has discovered that birds in the Galapagos Islands are changing their behavior due to traffic noise, with those frequently exposed to vehicles showing heightened levels of aggression. During trials involving traffic noise, Galapagos yellow warblers (Setophaga petechia aureola) increased the duration of their songs, increased the minimum frequencies of their songs (to reduce overlap with the traffic noise), and birds living close to roads displayed increased physical aggression.
03/20/2025 07:53 PM
Researchers capture first laser-driven, high-resolution CT scans of dense objects
A research team has achieved a new milestone in 3D X-ray imaging technology. The scientists have captured high-resolution CT scans of the interior of a large, dense object -- a gas turbine blade -- using a compact, laser-driven X-ray source. The work is part of a larger vision to leverage high-intensity lasers for a wide range of uses, from studying inertial fusion energy to generating bright beams of GeV electrons and MeV x-rays.
03/20/2025 02:54 PM
AI-powered mammograms: A new window into heart health
Mammograms, with the help of artificial intelligence (AI) models, may reveal much more than cancer, according to a new study. The findings highlight how these important cancer screening tools can also be used to assess the amount of calcium buildup in the arteries within breast tissue -- an indicator of cardiovascular health.
03/20/2025 02:54 PM
Weather emergencies affect older adults' views on climate and health
Nearly 3 out of every 4 older Americans have experienced at least one extreme weather event in the last two years, a poll finds. And living through such an event appears to make a big difference in how they view the potential impact of climate change on their health. People over 50 who recently experienced an extreme weather event are far more likely to express concern about the effects of climate change on their health.
03/20/2025 02:54 PM
New AI tool generates high-quality images faster than state-of-the-art approaches
Researchers developed a hybrid AI approach that can generate realistic images with the same or better quality than state-of-the-art diffusion models, but that runs about nine times faster and uses fewer computational resources. The tool uses an autoregressive model to quickly capture the big picture and then a small diffusion model to refine the details of the image.
03/20/2025 02:53 PM
Muonic atoms unlock new possibilities in nuclear physics
Researchers have combined theory and experiments to show that nuclear polarization does not limit studies of muonic atoms, clearing the way for new nuclear physics experiments.
03/20/2025 02:52 PM
How a Y chromosome gene may shape the course of heart valve disease
Researchers have shed new light on how a type of heart valve disease -- aortic valve stenosis -- progresses differently in males and females.