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Results 61 - 80 of 1805.
Mitosis is the process by which the genetic information encoded on chromosomes is equally distributed to two daughter cells, a fundamental feature of all life on earth. Scientists led by Alexander Dammermann at the Max Perutz Labs, a joint venture of the University of Vienna and the Medical University of Vienna, now examine how centrioles contribute to this process.
Area of brain associated with spatial awareness is crucial to decision making
New research by neuroscientists at the University of Chicago shows that the posterior parietal cortex, an area of the brain often associated with planning movements and spatial awareness, also plays a crucial role in making decisions about images in the field of view. "Traditionally this part of the brain has been thought to be involved in controlling spatial attention and planning actions.
New research by neuroscientists at the University of Chicago shows that the posterior parietal cortex, an area of the brain often associated with planning movements and spatial awareness, also plays a crucial role in making decisions about images in the field of view. "Traditionally this part of the brain has been thought to be involved in controlling spatial attention and planning actions.
What happens when you explode a chemical bond?
UC Berkeley scientists are probing the fleeting steps in rapid photochemical reactions with some of the shortest laser pulses possible today. In this case, a femtosecond pulse of visible light (green) triggers the breakup of iodine monobromide molecules (center), while attosecond XUV laser pulses (blue) take snapshots of the molecules.
UC Berkeley scientists are probing the fleeting steps in rapid photochemical reactions with some of the shortest laser pulses possible today. In this case, a femtosecond pulse of visible light (green) triggers the breakup of iodine monobromide molecules (center), while attosecond XUV laser pulses (blue) take snapshots of the molecules.
A team of scientists from EPFL has compiled environmental and epidemiological data from around the world to develop a map that shows the riskiest areas for Hepatitis E outbreaks. Their work, published in Scientific Reports, opens the way to new avenues of research and prevention. EPFL scientists have created the first world map of regions with the highest prevalence of the hepatitis E virus (HEV).
A novel perception mechanism regulating important plant processes
Similar to insulin in humans, plants also produce peptide hormones that orchestrate internal processes and responses, including growth, development, and immunity. One of them is RALF23, which belongs to the large family of RALF plant peptides. Notably, the study revealed a novel recognition mechanism for the RALF23 peptide signals by plant receptors.
Similar to insulin in humans, plants also produce peptide hormones that orchestrate internal processes and responses, including growth, development, and immunity. One of them is RALF23, which belongs to the large family of RALF plant peptides. Notably, the study revealed a novel recognition mechanism for the RALF23 peptide signals by plant receptors.
A simple finger-prick blood test could help prevent unnecessary prescribing of antibiotics for people with the lung condition chronic obstructive pulmonary disease (COPD), according to a new study by researchers from Cardiff University, University of Oxford and King's College London. The team demonstrated that using a CRP finger-prick blood test resulted in 20% fewer people using antibiotics for COPD flare-ups.
Last week's massive southern California earthquakes shut down Ridgecrest Regional Hospital throughout the July 4 holiday weekend while the tiny town of Ridgecrest assessed the damages. A new optical sensor developed at Lawrence Berkeley National Laboratory (Berkeley Lab) could speed up the time it takes to evaluate whether critical buildings like these are safe to occupy shortly after a major earthquake.
Could 3D Printing Lead to Distributed Manufacturing?
Additive manufacturing (AM), also known as 3D printing, is a game-changer for the field of manufacturing, enabling significant savings of cost, time and materials. In traditional manufacturing, parts are manufactured in large quantities at centralized factories, then shipped out to consumers. But with the growth of AM, many wonder whether this technology will cause a shift from this centralized model to a more distributed model, in which facilities in different locations coordinate to fill manufacturing needs.
Additive manufacturing (AM), also known as 3D printing, is a game-changer for the field of manufacturing, enabling significant savings of cost, time and materials. In traditional manufacturing, parts are manufactured in large quantities at centralized factories, then shipped out to consumers. But with the growth of AM, many wonder whether this technology will cause a shift from this centralized model to a more distributed model, in which facilities in different locations coordinate to fill manufacturing needs.
Successful’T cell engineering with gene scissors
There are two forms of T cell therapy: either a recipient receives cells from a donor, or the recipient's own T cells are removed, genetically reprogrammed in a laboratory and unleashed against an infection or tumor in the body. While the first method has proven to be successful in clinical models, reprogramming T cells is still beset with problems.
There are two forms of T cell therapy: either a recipient receives cells from a donor, or the recipient's own T cells are removed, genetically reprogrammed in a laboratory and unleashed against an infection or tumor in the body. While the first method has proven to be successful in clinical models, reprogramming T cells is still beset with problems.
It has been said that the internet exists chiefly to show videos of cats interacting with boxes. An international team of researchers led by The University of Queensland has extended cats and boxes into the quantum realm, discovering that Schrödinger's famous dead-and-alive cat is just one of an infinite family of quantum states.
A team of EPFL researchers has developed tiny 10-gram robots that are inspired by ants: they can communicate with each other, assign roles among themselves and complete complex tasks together. These reconfigurable robots are simple in structure, yet they can jump and crawl to explore uneven surfaces.
Starting today (Wednesday, July 10), Elsevier, the world's largest provider of scientific, technical and medical information, has shut off the University of California's direct access to new articles. Its 2,500-journal portfolio includes such highly-regarded publications as The Lancet and Cell . But with the UC Berkeley Library's help, researchers can still access articles from Elsevier journals in other ways.
Small Wyoming dinosaur helps rewrite the evolutionary story of birds, flight
An artistic rendering of what Lori, scientifically known as Hesperornithoides miessleri, may have looked like when she was alive roughly 150 million years ago. Image by Gabriel Ugueto Scientists have long known that birds and dinosaurs are related, but as with many families, it's complicated. There are dinosaurs with feathers, but no wings, and dinosaurs with feathery wings that couldn't fly.
An artistic rendering of what Lori, scientifically known as Hesperornithoides miessleri, may have looked like when she was alive roughly 150 million years ago. Image by Gabriel Ugueto Scientists have long known that birds and dinosaurs are related, but as with many families, it's complicated. There are dinosaurs with feathers, but no wings, and dinosaurs with feathery wings that couldn't fly.
Patients with mental health conditions denied access to ’best available’ stop smoking treatments
A new study from researchers at the universities of Bristol and Bath suggests that doctors should rethink which drugs they prescribe to help smokers with mental health conditions kick the habit. Their results highlight that the most effective drug at helping individuals to stop smoking is less likely to be prescribed to people with mental health conditions.
A new study from researchers at the universities of Bristol and Bath suggests that doctors should rethink which drugs they prescribe to help smokers with mental health conditions kick the habit. Their results highlight that the most effective drug at helping individuals to stop smoking is less likely to be prescribed to people with mental health conditions.
Yale-developed scorecard promotes better clinical trial data sharing
A tool developed by researchers at Yale, Stanford, and Bioethics International can promote greater sharing of clinical trial data by pharmaceutical companies. While nearly one-third of the companies that the researchers assessed met standards for sharing data, others could be more transparent to the benefit of science and the public, the researchers said.
A tool developed by researchers at Yale, Stanford, and Bioethics International can promote greater sharing of clinical trial data by pharmaceutical companies. While nearly one-third of the companies that the researchers assessed met standards for sharing data, others could be more transparent to the benefit of science and the public, the researchers said.
N early 10 years ago , a group of Israeli clinical researchers emailed Lawrence Berkeley National Laboratory (Berkeley Lab) geneticist Len Pennacchio to ask for his team's help in solving the mystery of a rare inherited disease that caused extreme, and sometimes fatal, chronic diarrhea in children. Now, following an arduous investigative odyssey that expanded our understanding of regulatory sequences in the human genome, the multinational scientific group has announced the discovery of the genetic explanation for this disease.
Top male biathletes are more attractive to the opposite sex, according to a new study by scientists at the universities of Exeter and Bristol. This result, say the team, fits with the theory that women have an evolved preference for more athletic men, who in past times were better able to provide for their families.
A team of scientists, led by the University of Bristol, have discovered a new method that could be used to build quantum sensors with ultra-high precision. When individual atoms emit light, they do so in discrete packets called photons. When this light is measured, this discrete or ‘granular' nature leads to especially low fluctuations in its brightness, as two or more photons are never emitted at the same time.
Finds CMU’s Rubin Leads in Carbon Capture and Storage Research
The effects of climate change are evident worldwide - and carbon capture and storage (CCS) - where CO2 is removed from the output of industrial processes and fossil fuel power plants - or is directly captured from the air - is gaining widespread attention as a potentially critical option for avoiding the dangerous impacts of climate change.
The effects of climate change are evident worldwide - and carbon capture and storage (CCS) - where CO2 is removed from the output of industrial processes and fossil fuel power plants - or is directly captured from the air - is gaining widespread attention as a potentially critical option for avoiding the dangerous impacts of climate change.
UNIGE researchers have shown that our general knowledge about the world interferes with our ability to solve basic mathematical problems, even among experts in the field. Mathematical thought is seen as the pinnacle of abstract thinking.