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Phys.org / Scientists uncover Iron Age origins of Vietnamese tooth blackening practices

Not everyone wants their teeth to be white and gleaming. Tooth blackening is a recognized part of modern Vietnamese culture, and a recent discovery hints that the roots of this practice may stretch all the way back to the ...

12 hours ago in Other Sciences
Phys.org / Photonic integrated circuits enable programmable non-Abelian 'braiding' of light states

A research team has successfully implemented a programmable spinor lattice on a photonic integrated circuit (PIC). This platform enables the realization of non-Abelian physics, in which the outcome of operations depends on ...

6 hours ago in Physics
Medical Xpress / HIV antibody opens up new approaches for vaccine development and combination therapies

An international research team has identified a novel HIV antibody that targets the virus at a particularly vulnerable site and overcomes previous limitations of known antibodies. This study, led by Professor Dr. Florian ...

5 hours ago in HIV & AIDS
Medical Xpress / Measles cases rise in North Carolina as public exposures are reported

Health officials in North Carolina are warning residents about possible measles exposure after infected people visited stores, gyms and restaurants in and around the state capital over the past week.

Phys.org / Major earthquakes are just as random as smaller ones

For obvious reasons, it would be useful to predict when an earthquake is going to occur. It has long been suspected that large quakes in the Himalayas follow a fairly predictable cycle, but nature, as it turns out, is not ...

12 hours ago in Earth
Phys.org / Yangtze River fishing ban halts seven decades of biodiversity decline

The Yangtze River Basin, a global biodiversity hotspot, has endured severe ecological degradation over several decades due to intense human activity, leading to a marked decline in aquatic biodiversity. In order to halt this ...

6 hours ago in Biology
Medical Xpress / Gut microbes bolster immunity in HIV patients, research reveals

The circumstances surrounding a study on a deadly virus could hardly have been more dramatic. One of its first authors was forced to flee his homeland when it became a war zone. More than 2,000 kilometers away, the laboratory ...

6 hours ago in HIV & AIDS
Phys.org / Temporal evolution of GRB 240825A afterglow provides insight into origins of optically dark gamma-ray bursts

Researchers from the Yunnan Observatories of the Chinese Academy of Sciences have conducted a new study on the temporal evolution of the afterglow from gamma-ray burst GRB 240825A. The study offers new evidence to better ...

5 hours ago in Astronomy & Space
Phys.org / Nanolaser on a chip could cut computer energy use in half

Researchers at DTU have developed a nanolaser that could be the key to much faster and much more energy-efficient computers, phones, and data centers. The technology offers the prospect of thousands of the new lasers being ...

7 hours ago in Physics
Phys.org / New perspectives on how physical instabilities drive embryonic development

Multicellularity is one of the most profound phenomena in biology, and relies on the ability of a single cell to reorganize itself into a complex organism. It underpins the diversity in the animal kingdom, from insects to ...

6 hours ago in Biology
Tech Xplore / A key barrier in protonic ceramics may be fading, and hydrogen tech could benefit

A newly developed ceramic material shows record-high proton conductivity at intermediate temperatures while remaining chemically stable, report researchers from Japan. Efficient hydrogen-to-electricity conversion is critical ...

5 hours ago in Engineering
Phys.org / Driven electrolytes are agile and active at the nanoscale

Technologies for energy storage as well as biological systems such as the network of neurons in the brain depend on driven electrolytes that are traveling in an electric field due to their electrical charges. This concept ...

5 hours ago in Nanotechnology