All News

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, ...

13 hours ago in Chemistry
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 ...

12 hours ago in Biology
Dialog / Health care workers in war zones: How the built environment actively reshapes trauma

I have spent much of my professional life thinking about buildings—how they are designed, how they are constructed and how they shape daily life. But some structures matter far more than we usually admit. In places affected ...

11 hours ago in Psychology & Psychiatry
Phys.org / Ocean fronts revealed as key players in Earth's carbon cycle

Narrow bands of ocean covering just over one-third of the world's seas are responsible for absorbing nearly three-quarters of the carbon dioxide that oceans pull from the atmosphere, new research shows. The study, published ...

18 hours ago in Earth
Phys.org / Oversalting your sidewalk or driveway harms local streams and potentially even your drinking water

Snow has returned to the Philadelphia region, and along with it the white residues on streets and sidewalks that result from the over-application of deicers such as sodium chloride, or rock salt, as well as more modern salt ...

10 hours ago in Earth
Medical Xpress / New study finds heart attacks involve brain and immune system, not just heart

Arteries become clogged. Blood flow is restricted and oxygen is cut off. The result is a heart attack, the world's leading cause of death.

13 hours ago in Neuroscience
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 ...

14 hours ago in Nanotechnology
Phys.org / Gold 'supraballs' nearly double solar energy absorption in tests

Sunbeams contain a lot of energy. But current technology for harvesting solar power doesn't capture as much as it could. Now, in ACS Applied Materials & Interfaces, researchers report that gold nanospheres, named supraballs, ...

16 hours ago in Nanotechnology
Phys.org / Did You Feel It? Expanding use of an earthquake crowdsourcing tool

The U.S. Geological Survey (USGS) crowdsourcing platform Did You Feel It? (DYFI) rapidly transforms people's earthquake shaking intensity experiences into detailed maps of damage extent. While the tool's reach is global, ...

15 hours ago in Earth
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 ...

13 hours ago in Biology
Medical Xpress / 3D chip platform enables animal-free testing in cancer research

Cancer research laboratory tests can now be done using micro-physiological systems mimicking human physiology, allowing greater predictive accuracy for human patient responses, thanks to an international scientific team led ...

12 hours ago in Biomedical technology
Tech Xplore / Synthetic 'muscle' with microfluidic blood vessels shows promise for soft robotics

Researchers are continuing to make progress on developing a new synthetic material that behaves like biological muscle, an advancement that could provide a path to soft robotics, prosthetic devices and advanced human-machine ...

14 hours ago in Robotics