Materials Science

Developing a dual-gradient ultrafast biomimetic snapping hydrogel material

Bioinspired materials are designed and engineered to mimic the biological functions of nature; however fast actuation is an important but challenging task to recreate in the lab. In a recent study, Wenxin Fan and co-workers ...

Optics & Photonics

Quality of laser beam shaping can be enhanced at no extra cost

Researchers from Osaka University have developed a technique for improving accuracy of laser beam shaping and wavefront obtained by conventional methods with no additional cost by optimizing virtual phase grating. The results ...

New chemical tool to block endocytosis in plants identified

Plant cells absorb many important substances through a process called endocytosis. In plants, endocytosis is essential for nutrient uptake, passing on cellular signals and plant-microbe interactions. However, the vital nature ...

More evidence that blood tests can detect the risk of Alzheimer's

A new study confirms that a simple blood test can reveal whether there is accelerating nerve cell damage in the brain. The researchers analysed neurofilament light protein (NFL) in blood samples from patients with Alzheimer's ...

How light triggers brain activity

Optogenetics uses light to control brain processes. It is based on light-controlled proteins such as channelrhodopsin-2, an ion channel that opens when it's exposed to light, thus activating cellular processes. In collaboration ...

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Medical Xpress

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Tech Xplore

Bacteria reveal strong individuality when navigating a maze

Researchers from ETH Zurich demonstrate that genetically identical cells exhibit differing responses in their motility towards chemical attractants. Average values hide the full picture when it comes to describing the behavior ...

Quantum gas turns supersolid

Researchers led by Francesca Ferlaino from the University of Innsbruck and the Austrian Academy of Sciences report in Physical Review X on the observation of supersolid behavior in dipolar quantum gases of erbium and dysprosium. ...

Stressed, anxious? Ask the brain

Our actions are driven by "internal states" such as anxiety, stress or thirst—which will strongly affect and motivate our behaviors. Not much is known about how such states are represented by complex brain-wide circuits, ...

Using a printed adversarial patch to fool an AI system

A trio of researchers at the University of KU Leuven in Belgium has found that it is possible to confuse an AI system by printing a certain picture and holding it against their body as the AI system tries to identify them ...

Takes a licking and keeps on storing

Researchers at Washington University in St. Louis made an energy storage device that can withstand a hammer striking it more than 40 times. The shatterproof supercapacitor is also nonflammable, unlike lithium-ion batteries. ...

Improving security as artificial intelligence moves to smartphones

Smartphones, security cameras, and speakers are just a few of the devices that will soon be running more artificial intelligence software to speed up image- and speech-processing tasks. A compression technique known as quantization ...

Imaging system helps surgeons remove tiny ovarian tumors

Ovarian cancer is usually diagnosed only after it has reached an advanced stage, with many tumors spread throughout the abdomen. Most patients undergo surgery to remove as many of these tumors as possible, but because some ...

OCR4all: Modern tool for old texts

Historians and other humanities' scholars often have to deal with difficult research objects: centuries-old printed works that are difficult to decipher and often in an unsatisfactory state of conservation. Many of these ...

Scientists develop low-cost energy-efficient materials

An international team of scientists from the National University of Science and Technology "MISIS" (NUST MISIS), Tianjin University (China), as well as from Japan and the United States, has developed new energy-efficient ...

Big money goes around the world

Music is big business. It has been since the advent of the sheet music industry in the 19th Century and the ensuing piracy scandals, right through the invention of radio, recorded music, and the usurping of the family piano ...

Rensselaer team developing tool to battle space debris

A team of researchers from Rensselaer Polytechnic Institute is building a semi-autonomous trash collector for space, which they have fittingly named OSCaR. (You can see OSCaR here) The acronym stands for "Obsolete Spacecraft ...

Nanocomponent is a quantum leap for Danish physicists

University of Copenhagen researchers have developed a nanocomponent that emits light particles carrying quantum information. Less than one-tenth the width of a human hair, the miniscule component makes it possible to scale ...

Plant signals trigger remarkable bacterial transformation

The cycad Cycas revoluta is a palm-like plant that grows on rocky coastal cliffs in the sub-tropics and tropics. It has a symbiotic relationship with the Nostoc species of bacteria that can convert nitrogen from the atmosphere ...

Study unravels mystery of antimicrobial frog secretions

Japanese scientists, including researchers at Tokyo University of Agriculture and Technology (TUAT) and Yokohama National University, have identified the molecular mechanism that gives the skin secretions of a species of ...