Electronics & Semiconductors

A memristor-based Hopfield neural architecture to solve combinatorial optimization problems

Over the past few years, many researchers have tried to develop techniques and technologies that can solve combinatorial optimization problems, which entail identifying an optimal item or solution within a set number of possibilities. ...

Neuroscience

Researchers develop a selective chemogenetic actuator to rapidly control neuronal activity and behavior

Chemogenetics is a fairly new area of neuroscience that explores the use of synthetically derived receptors and selective ligands to temporarily activate or deactivate specific brain areas. These receptors are also known ...

Quantum researchers create an error-correcting cat

Yale physicists have developed an error-correcting cat—a new device that combines the Schrödinger's cat concept of superposition (a physical system existing in two states at once) with the ability to fix some of the trickiest ...

Coffee stains inspire optimal printing technique for electronics

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics—the coffee ring effect. This effect has hindered the industrial deployment of functional inks ...

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Medical Xpress

Psychology & Psychiatry
Yoga shown to improve anxiety: study

Tech Xplore

A novel strategy for quickly identifying twitter trolls

Two algorithms that account for distinctive use of repeated words and word pairs require as few as 50 tweets to accurately distinguish deceptive "troll" messages from those posted by public figures. Sergei Monakhov of Friedrich ...

NASA finds hurricane Elida's eye covered

NASA's Aqua satellite obtained visible imagery of Hurricane Elida in the Eastern Pacific as it continued to weaken. Imagery revealed that Elida's eye had become covered as the storm embarks on a weakening trend over cooler ...

Demographics data helps predict NY flood insurance claims

In flood-prone areas of the Hudson River valley in New York state, census areas with more white and affluent home owners tend to file a higher percentage of flood insurance claims than lower-income, minority residents, raising ...

Engaging undergrads remotely with an escape room game

To prevent the spread of COVID-19, many universities canceled classes or held them online this spring—a change likely to continue for many this fall. As a result, hands-on chemistry labs are no longer accessible to undergraduate ...

Why black rhinos may get sick in captivity

Inflammation and oxidative stress may be involved in the pathogenesis of iron overload disorder in captive black rhinoceroses, making this syndrome a potential common denominator to various diseases described in captivity ...

OECD countries' politicians follow each other

The more democratic a country is, the greater the probability that its politicians decide in the same way as in neighboring countries, without further analysis. This is according a research group that has studied political ...

Eggshell-based surgical material for skull injuries

A bioactive polymer-ceramic composite for fixing implants and restoring bone defects in the skull was developed by an international group of materials scientists from the NUST MISIS Center for Composite Materials. An innovative ...

How plastics could help build a sustainable future

The disposal of plastics is a global problem. They are nearly indestructible in natural conditions but are discarded worldwide on a large scale. The world produces around 359 million metric tons of plastics each year. Nature ...