Phys.org news

Phys.org / Novel nanomaterial uses oxidative stress to kill cancer cells

Scientists at Oregon State University have developed a new nanomaterial that triggers a pair of chemical reactions inside cancer cells, killing the cells via oxidative stress while leaving healthy tissues alone. The study ...

8 hours ago in Nanotechnology
Phys.org / 3D material mimics graphene's electron flow for green computing

University of Liverpool researchers have discovered a way to host some of the most significant properties of graphene in a three-dimensional (3D) material, potentially removing the hurdles for these properties to be used ...

9 hours ago in Physics
Phys.org / Ochre used in ancient graves in Finland reflects identity of deceased

Roughly 5,500–6,000 years ago, the area including present-day Finland was inhabited by hunter-fisher-gatherers living in small village-like clusters. Traveling via waterways, these people established permanent fishing systems, ...

8 hours ago in Other Sciences
Phys.org / Data-driven 3D chromosome model reveals structural and dynamic features of DNA

Chromosomes are masters of organization. These long strings of DNA fold down into an ensemble of compact structures that keep needed parts of the genome accessible while tucking away those that aren't used as often. Understanding ...

8 hours ago in Biology
Phys.org / Thinking on different wavelengths: New approach to circuit design introduces next-level quantum computing

Quantum computing represents a potential breakthrough technology that could far surpass the technical limitations of modern-day computing systems for some tasks. However, putting together practical, large-scale quantum computers ...

9 hours ago in Physics
Phys.org / Finnish birdwatchers' app data fuel world's most accurate model for predicting bird occurrence

New cutting-edge research, led by Academy Professor Otso Ovaskainen of the University of Jyväskylä and David Dunson at Duke University, combines citizen bird observations with artificial intelligence and the computing power ...

9 hours ago in Biology
Phys.org / People are swayed by AI-generated videos even when they know they're fake, study shows

Generative deep learning models are artificial intelligence (AI) systems that can create texts, images, audio files, and videos for specific purposes, following instructions provided by human users. Over the past few years, ...

17 hours ago in Other Sciences
Phys.org / A specific immune system protein may drive antibiotic tolerance

If you have had strep throat or an ear infection, there's a good chance you received amoxicillin or penicillin to effectively kill the troublesome bacteria. These drugs, which belong to a broad group of antibiotics called ...

8 hours ago in Biology
Phys.org / Raman sensors with push-pull alkyne tags amplify weak signals to track cell chemistry

Seeing chemistry unfold inside living cells is one of the biggest challenges of modern bioimaging. Raman microscopy offers a powerful way to meet this challenge by reading the unique vibrational signatures of molecules. However, ...

9 hours ago in Chemistry
Phys.org / Massive star WOH G64 is still a red supergiant—for now

An international team of astronomers led by a researcher at Keele University has solved a long-standing cosmic mystery surrounding one of the most extreme stars ever observed. The star, known as WOH G64, is located in the ...

10 hours ago in Astronomy & Space
Phys.org / A new route to synthesize multiple functionalized carbon nanohoops

The field of nanomaterials is witnessing a transformative shift at the intersection of organic chemistry and molecular engineering. Among the most promising molecular structures are carbon nanohoops, of which [n]cycloparaphenylenes ...

10 hours ago in Nanotechnology
Phys.org / How gut bacteria share antibiotic resistance genes and fuel dangerous hospital infections

Researchers from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have uncovered how a high-risk class of genetic vectors can efficiently spread antibiotic resistance within the gut, enabling ...

9 hours ago in Biology