اكتشف علماء مايو كلينك وجامعة ييل، من خلال استخدام نماذج "الدماغ المُصغَّر" البشرية المعروفة باسم العضيات، أن جذور اضطراب طيف التوحد قد تكون مرتبطة باختلال توازن الخلايا العصبية المحددة التي تلعب دورًا حاسمًا في كيفية تواصل الدماغ ووظائفه.
Coral reefs in one part of the Pacific Ocean have likely adjusted to higher ocean temperatures which could reduce future bleaching impacts of climate change, new research reveals.
One of the most feared effects of global warming is the rise in sea level caused by the melting of polar continental ice.
The world needs greener ways to make chemicals. In a new study, University of Wisconsin–Madison researchers demonstrate one potential path toward this goal by adapting hydrogen fuel cell technologies.
A study of 14 astronauts suggests that while space travel depletes red blood cells and bone, the body can eventually replenish them back on Earth with the help of fat stored in the bone marrow.
Usando modelos humanos de “minicérebros” conhecidos como organoides, a Mayo Clinic e os cientistas da Universidade de Yale descobriram que as raízes do transtorno do espectro autista podem estar associadas com um desequilíbrio de neurônios específicos que exercem uma função crítica na forma como o cérebro se comunica e funciona.
Scientists at St. Jude Research Hospital unravel the mechanisms behind a key culprit in chemotherapy resistance.
Utilizando modelos de minicerebros humanos conocidos como organoides, científicos de Mayo Clinic y de la Universidad de Yale han descubierto que las raíces del trastorno del espectro autista pueden estar asociadas a un desequilibrio de neuronas específicas que desempeñan un papel fundamental en la forma en que el cerebro se comunica y funciona.
Artificial intelligence's impact goes beyond clinical medicine. It is reshaping science in more profound ways.
Rutgers scientists have devised a highly accurate method for creating coatings of biologically active materials for a variety of medical products. Such a technique could pave the way for a new era of transdermal medication, including shot-free vaccinations, the researchers said.
A new study highlights the potential of artificial DNA structures that, when fitted with antibodies, instruct the immune system to specifically target cancerous cells.
Researchers from the National University of Singapore took a leaf out of nature’s book to develop ‘eAir’ — a novel pressure sensing technology that promises to transform minimally-invasive surgeries and implantable sensors. This novel invention mirrors the lotus leaf’s natural sensitivity to the extremely light touch of a water droplet, to achieve high accuracy and reliability in pressure detection.
Imagine a few roughly cut slices of bread on a plate. With just those slices, could you picture, in fine detail, the loaf they came from?
When choosing their behaviour in socially difficult situations, anxious people use a less suitable section of the forebrain than people who are not anxious.
Researchers from Washington University in St. Louis have used ultrasound to nudge rodents into an energy-conserving state that mirrors a natural, hibernation-like survival mechanism known as torpor. The technique could help buy precious time for patients in critical care.
St. Jude Children’s Research Hospital scientists found that immune cells present in individuals long before influenza infection predict whether the illness is symptomatic.
A research team co-led by UCLA investigators has shown that an immunotherapy drug combination can be an effective second-line therapy for patients with an aggressive and deadly type of melanoma that is resistant to the widely used immunotherapy drugs known as PD-1 inhibitors.
Researchers at Albert Einstein College of Medicine have found that the virus responsible for chikungunya fever can spread directly from cell to cell—perhaps solving the longstanding mystery of how the virus, now emerging as a major health threat, can manage to escape antibodies circulating in the bloodstream.
Addressing climate change isn't just a technical issue; it's a societal one. A recent article in Nature Energy highlights the increasing urgency for engineers and social scientists to combine their expertise.
The qubits that make up quantum computers have a lesser-known cousin called qudits. Qudits can carry more information and are more resistant to the noise that can cause qubits to lose information. However, qudits have historically been difficult for scientists to measure and modify.
Researchers used diamond mirrors to guide X-ray laser pulses around a rectangular racetrack inside a vacuum chamber. It’s an important step toward developing cavity-based X-ray free-electron lasers, or CBXFELs, to make X-ray laser pulses brighter and cleaner – more like regular lasers are today.
In a new study, scientists Stewart Edie of the Smithsonian, Shan Huang of the University of Birmingham and colleagues drastically expanded the list of bivalve species, such as clams, oysters, mussels, scallops and their relatives, that humans are known to harvest and identified the traits that make these species prime targets for harvesting.
Levels of grey matter in two parts of the brain may be linked to a desire to start smoking during adolescence and the strengthening of nicotine addiction, a new study has shown.
In a development that could accelerate the discovery of new diagnostics and treatments, researchers at Children’s Hospital of Philadelphia (CHOP) have developed a versatile and low-cost technology for targeted sequencing of full-length RNA molecules.
Rice University chemists have discovered that tiny gold “seed” particles, a key ingredient in one of the most common nanoparticle recipes, are one and the same as gold buckyballs, 32-atom spherical molecules that are cousins of the carbon buckyballs discovered at Rice in 1985.
Nanovesicles can be bioengineered to target cancer cells and deliver treatments directly, according to research at Binghamton University, State University of New York.
Graphene nanoribbons have outstanding properties that can be precisely controlled. Researchers from Empa and ETH Zurich, in collaboration with partners from Peking University, the University of Warwick and the Max Planck Institute for Polymer Research, have succeeded in attaching electrodes to individual atomically precise nanoribbons, paving the way for precise characterization of the fascinating ribbons and their possible use in quantum technology.
Thanks to the James Webb Space Telescope, astronomers racing to find some of the earliest galaxies ever glimpsed have now confirmed that a galaxy first detected last summer is in fact among the earliest ever found. The findings are in the journal Nature.
A first-in-human trial of deep brain stimulation (DBS) for post-stroke rehabilitation patients by Cleveland Clinic researchers has shown that using DBS to target the dentate nucleus – which regulates fine-control of voluntary movements, cognition, language, and sensory functions in the brain – is safe and feasible.
One of the biggest obstacles to the uptake of plant-based alternatives to meat is their very dry and astringent feel when they are eaten.
Virginia Tech researchers examined data from 2009 to 2019 from U.S. institutions with more than $40 million in National Institutes of Health funding and at least 15 utility patents. The presence of a well-funded engineering unit correlated with stronger patent production. The results are in Nature Biotechnology.
Gene therapy might offer a one-time, sustained treatment for patients with serious alcohol addiction, also called alcohol use disorder, according to a new study led by a researcher at The Ohio State University Wexner Medical Center and College of Medicine.
Researchers at Oak Ridge National Laboratory used neutrons and x-rays to draw a roadmap of every atom, chemical bond and electrical charge inside a key metabolic pathway in the body that cancer cells hijack and dramatically overuse to reproduce. The study essentially paves the way for developing new drugs that act as roadblocks that cut off the supply of vital resources to cancer cells. The drugs would be designed to target highly aggressive tumor-forming cancers that too often become terminal such as lung, colon, breast, pancreatic and prostate cancers.
A system of ancient ceramic water pipes, the oldest ever unearthed in China, shows that neolithic people were capable of complex engineering feats without the need for a centralised state authority, finds a new study by UCL researchers.
The climate crisis is increasing the frequency and intensity of floods, droughts and heatwaves, with Africa expected to be among the global regions hit hardest.
Over the past decade, scientists have made tremendous progress in generating quantum phenomena in mechanical systems. What seemed impossible only fifteen years ago has now become a reality, as researchers successfully create quantum states in macroscopic mechanical objects.
Researchers at the University of Illinois Urbana-Champaign demonstrated a way to use electricity to recycle polyoxymethylene (POM), a form of plastic that’s growing in use but more challenging to recycle.
Researchers at The Jackson Laboratory have created a panel of genetically diverse mice that accurately model the highly variable human response to SARS-CoV-2 infection.
Prof. REN Baohua and his team from the School of Earth and Space Sciences, the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), uncovered the connection between Arctic daily warming and the equator region as well as Atlantic storms.
Two distinct neurodevelopmental abnormalities that arise just weeks after the start of brain development have been associated with the emergence of autism spectrum disorder, according to a new Yale-led study in which researchers developed brain organoids from the stem cells of boys diagnosed with the disorder.
Mountain ranges play a key role in global climate, altering weather and shaping the flora and fauna that inhabit their slopes and the valleys below.
Researchers at the Francis Crick Institute and UCL Queen Square Institute of Neurology, working with technology company Faculty AI, have shown that machine learning can accurately predict subtypes of Parkinson’s disease using images of patient-derived stem cells.
Legal restrictions placed on the amount of time young people in China can play video games may be less effective than originally thought, a new study has revealed.
Cancer cells can evade the body’s immune defenses by exploiting a normally helpful and ubiquitous group of molecules known as mucins.
A brief roundup of news and story ideas from the experts at UCLA Health.
An international research team details changes in DNA that researchers found are shared by humans and other mammals throughout history and are associated with life span and numerous other traits.
Researchers working with Chuan Wang, an associate professor of electrical and systems engineering at the McKelvey School of Engineering at Washington University in St. Louis, have developed ink pens that allow individuals to handwrite flexible, stretchable optoelectronic devices on everyday materials including paper, textiles, rubber, plastics and 3D objects.
Unlike previously thought, speech production and singing are supported by the same circuitry in the brain. Observations in a new study can help develop increasingly effective rehabilitation methods for patients with aphasia.
Researchers led by a team at UT Southwestern Medical Center have identified cellular and molecular features of the brain that set modern humans apart from their closest primate relatives and ancient human ancestors. The findings, published in Nature, offer new insights into human brain evolution.
Using human "mini-brain" models known as organoids, Mayo Clinic and Yale University scientists have discovered that the roots of autism spectrum disorder may be associated with an imbalance of specific neurons that play a critical role in how the brain communicates and functions.
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