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Results 41 - 60 of 4253.

Physics - 21.12.2020
When light and atoms share a common vibe
Scientists from EPFL, MIT, and CEA Saclay demonstrate a state of vibration that exists simultaneously at two different times. They evidence this quantum superposition by measuring the strongest class of quantum correlations between light beams that interact with the vibration. An especially counter-intuitive feature of quantum mechanics is that a single event can exist in a state of superposition - happening bothhere andthere , or bothtoday andtomorrow .

Health - Life Sciences - 21.12.2020
New blood-test device monitors blood chemistry continually
New blood-test device monitors blood chemistry continually
The new device can continuously sense levels of virtually any protein or molecule in the blood. The researchers say it could be transformative for disease detection, patient monitoring and biomedical research. For even the most routine of medical checkups, a blood test is often the first order of business.

Physics - Chemistry - 21.12.2020
Speeding Toward Improved Hydrogen Fuel Production
Speeding Toward Improved Hydrogen Fuel Production
A new nanomaterial helps obtain hydrogen from a liquid energy carrier, in a key step toward a stable and clean fuel source Hydrogen is a sustainable source of clean energy that avoids toxic emissions and can add value to multiple sectors in the economy including transportation, power generation, metals manufacturing, among others.

Astronomy / Space - 21.12.2020
TESS dates an ancient collision with our galaxy
TESS dates an ancient collision with our galaxy
A single bright star in the constellation of Indus, visible from the southern hemisphere, has revealed new insights on an ancient collision that our galaxy the Milky Way underwent with another smaller galaxy called Gaia-Enceladus early in its history. An international team of scientists led by the University of Birmingham adopted the novel approach of applying the forensic characterisation of a single ancient, bright star called ν Indi as a probe of the history of the Milky Way.

Psychology - Life Sciences - 21.12.2020
Emotional headlines have an impact regardless of the credibility of the source
New HU study on the influence of "fake news" on the brain Neurocognitive studies by researchers at the Humboldt-Universität zu Berlin (HU) show that headlines with emotional content influence our judgments about other people even when we consider the media source to be untrustworthy. Rumours, half-truths and misinformation can be consumed and shared non-stop online and have an enormous reach.

Life Sciences - Health - 21.12.2020
Brain Stem Cells Divide over Months
Brain Stem Cells Divide over Months
For the first time, scientists at the University of Zurich have been able to observe stem cells in the adult mouse brain that divide over the course of several months to create new nerve cells. The study shows that brain stem cells are active over a long period, and thus provides new insights for stem cell research.

Environment - Campus - 21.12.2020
Climate change: threshold for dangerous warming will likely be crossed between 2027-2042
The threshold for dangerous global warming will likely be crossed between 2027 and 2042 - a much narrower window than the Intergovernmental Panel on Climate Change's estimate of between now and 2052. In a study published in Climate Dynamics , researchers from McGill University introduce a new and more precise way to project the Earth's temperature.

Chemistry - Life Sciences - 18.12.2020
New mechanism of force transduction in muscle cells discovered
New mechanism of force transduction in muscle cells discovered
Researchers of Münster University reveal mechanobiological function of muscle-specific adhesion protein / Study published in "Nature Communications" The ability of cells to sense and respond to their mechanical environment is critical for many cellular processes but the molecular mechanisms underlying cellular mechanosensitivity are still unclear.

Health - Life Sciences - 18.12.2020
A step toward understanding why COVID-19 boosts stroke risk
A UCLA-led study may help explain how COVID-19 increases the risk for stroke. Scientists made the finding by running fluid spiked with a COVID-19-like protein through a 3D-printed model of the arteries of a patient who had suffered a stroke. Although COVID-19 was first identified by its severe respiratory symptoms, the virus has caused strokes in young people who had no known risk factors.

Computer Science - Health - 18.12.2020
New app to monitor Parkinson’s progression at home
A new smartphone app developed by researchers at UCL and Birkbeck, University of London, is enabling doctors to remotely monitor their patients' progression of Parkinson's symptoms, as reported in a new clinical trial. The findings, published in npj Parkinson's Disease , show that the app can provide clinicians with a more complete picture of a person's condition than they can get from a typically brief medical check-up.

Life Sciences - Health - 18.12.2020
A weather station for epilepsy
A weather station for epilepsy
To do this, Baud collaborated with Vikram Rao, neurologist at UCSF, to obtain neuronal activity data collected over several years using devices implanted long-term in the brains of patients with epilepsy. After confirming that there were indeed cycles of cerebral epileptic activity, the scientists turned their attention to statistical analysis.

Physics - Mathematics - 18.12.2020
UofG researchers set out for New Horizons
Researchers from the University of Glasgow's College of Science & Engineering are sharing in new funding for adventurous, high-risk research. Four projects from three Schools have received support from the £25.5m New Horizons fund, administered by the Engineering and Physical Science Research Council (EPSRC).

Life Sciences - Environment - 18.12.2020
Spotting elephants from space: a satellite revolution
Using the highest resolution satellite imagery currently available - Worldview 3 - from Maxar Technologies and deep learning, (TensorFlow API, Google Brain) researchers at the University of Oxford Wildlife Conservation Research Unit and Machine Learning Research Group have detected elephants from space with comparable accuracy to human detection capabilities.

Earth Sciences - 18.12.2020
Triaxial testing facility: Transition rock under pressure
Triaxial testing facility: Transition rock under pressure
By Birgit Baustädter Neither hard like stone, nor soft like soil: transition rock is important for almost every construction project, but difficult to study. But this is now possible at the TU Graz. Transition rock is soft rock and hard soil; it is inhomogeneous, anisotropic and brittle. "This material can be found almost everywhere where building activities are undertaken.

Physics - Chemistry - 18.12.2020
Artificial Intelligence Solves Schrödinger’s Equation
Scientists at Freie Universität Berlin develop a deep learning method to solve a fundamental problem in quantum chemistry No 255/2020 from Dec 18, 2020 A team of scientists at Freie Universität Berlin has developed an artificial intelligence (AI) method for calculating the ground state of the Schrödinger equation in quantum chemistry.

Computer Science - 18.12.2020
Scientists Present In-Memory Computing Pathways for Edge-AI & Neural Networks with 3D Architectures & Resistive-RAM
Papers at IEDM 2020 Explore Ways to Leverage 3D Technology's Strengths For Lowering Device Energy Consumption and Energy Lost in Data Transmission -GRENOBLE, France - Dec. CEA-Leti presented two papers this week at IEDM 2020 that confirm the advantages of combining 3D architectures and resistive-random-access-memories (RRAM) for in-memory computing (IMC), and their applications for Edge-AI and neural networks.

Life Sciences - Chemistry - 18.12.2020
Muscling RNA Polymerase Off the DNA
Muscling RNA Polymerase Off the DNA
Researchers elucidate a unique molecular mechanism for efficient gene expression in pathogenic bacteria No 256/2020 from Dec 18, 2020 Three international research teams, including a consortium coordinated at Freie Universität Berlin, find that a motor protein, called HelD, acts like a "molecular bully" to pry the central enzyme of transcription, RNA polymerase, away from the DNA template, setting it free for the continued production of genetic messages.

Agronomy / Food Science - Social Sciences - 18.12.2020
Poorer teens at substantially greater risk of obesity
More than one third of UK teenagers are starting adult life with excess weight (either overweight or obese), and rates are even higher among the poorest, finds a new study led by UCL researchers. The research, published today in a briefing paper  by the Centre for Longitudinal Studies (CLS) at the UCL Social Research Institute, shows that one in five (21%) young people were obese at age 17, and a further one in seven (14%) were overweight, based on data collected in 2018-19 .

Health - Pharmacology - 18.12.2020
AI-supported test predicts eye disease three years before symptoms
A pioneering new eye test, developed by scientists at UCL in collaboration with the Western Eye Hospital, London, may predict wet AMD, a leading cause of severe sight loss, three years before symptoms develop. Researchers hope their test could be used to identify the disease early enough so that treatment can effectively prevent any vision loss.

Health - 18.12.2020
Survey says: Canadians asking for better food systems and food sparked by COVID-19 access
Shopping anxiety, higher food prices and individual income limitations are some of the factors making access to food challenging for Canadians during the COVID-19 pandemic, a new study suggests. Researchers conducted an online inter-provincial survey with residents of B.C. Alberta, Ontario, Quebec and the Atlantic provinces during the first wave of COVID-19.