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Phys.org / Two-dimensional materials expand options for next-generation terahertz quantum devices

Scientists from the National University of Singapore (NUS) have discovered that atomic-scale substitutional dopants in ultra-thin two-dimensional (2D) materials can act as stable quantum systems operating at terahertz (THz) ...

5 hours ago in Nanotechnology
Phys.org / Scientists design molecules 'backward' to speed up discovery

Every medication in your cabinet, every material in your phone's battery, and virtually every compound that makes modern life work started as a molecular guess, with scientists hypothesizing that a particular arrangement ...

5 hours ago in Chemistry
Phys.org / Fear at work is a hidden safety risk, and it helps explain why hazards go unreported

Psychological safety—the belief that it is safe to speak up with concerns, questions or mistakes—is widely recognized as essential for organizational learning, innovation and workplace safety.

3 hours ago in Other Sciences
Phys.org / US forests store record carbon as natural and human factors combine

U.S. forests have stored more carbon in the past two decades than at any time in the last century, an increase attributable to a mix of natural factors and human activity, finds a new study.

5 hours ago in Earth
Tech Xplore / Europe wants to end its dangerous reliance on US internet technology

Imagine that the internet suddenly stops working. Payment systems in your local food store go down. Health care systems in the regional hospital flatline. Your work software tools—and all the information they contain—disappear.

3 hours ago in Internet
Phys.org / Bionic LiDAR system achieves beyond-retinal resolution through adaptive focusing

In a recent study, researchers from China have developed a chip-scale LiDAR system that mimics the human eye's foveation by dynamically concentrating high-resolution sensing on regions of interest (ROIs) while maintaining ...

10 hours ago in Physics
Medical Xpress / Lithium study yields insights in the fight against HIV

Lithium, a widely used treatment for bipolar disorder and other mood disorders, has shown early promise in suppressing HIV, McGill University researchers report.

5 hours ago in Medications
Medical Xpress / Psilocybin could treat depression via a non-hallucinogenic receptor

Psychedelics, psychoactive substances that alter people's perceptions, mood and thought patterns, have recently shown promise for the treatment of some mental health disorders, including depression and substance use disorders ...

9 hours ago in Psychology & Psychiatry
Tech Xplore / 'Dissolution barocaloric' cooling opens new path to zero-carbon refrigeration

A research team led by Prof. Li Bing from the Institute of Metal Research of the Chinese Academy of Sciences, together with collaborators, has overcome a longstanding bottleneck in refrigeration technology. Their findings, ...

5 hours ago in Engineering
Phys.org / Chiral phonons create orbital current via their own magnetism

In a new study, an international group of researchers has found that chiral phonons can create orbital current without needing magnetic elements—in part because chiral phonons have their own magnetic moments. Additionally, ...

5 hours ago in Physics
Phys.org / Grains of sand prove people—not glaciers—transported Stonehenge rocks

Ask people how Stonehenge was built and you'll hear stories of sledges, ropes, boats and sheer human determination to haul stones from across Britain to Salisbury Plain, in south-west England. Others might mention giants, ...

5 hours ago in Earth
Medical Xpress / Scientists reveal splicing-based mechanism driving therapy resistance in pediatric acute myeloid leukemia

Pediatric acute myeloid leukemia (AML) is one of the most common acute leukemias in children. While treatment outcomes have improved in recent years, approximately 30% of patients relapse following initial chemotherapy and ...

3 hours ago in Oncology & Cancer