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Phys.org / Evidence of elusive high-energy gravitons in quantum Hall systems

Electrons, negatively charged particles, sometimes coordinate their movements in ways that produce certain collective excitations referred to as quasiparticles. One case in which this occurs is the quantum Hall effect, a ...

18 hours ago
Phys.org / Saturn-ring-like laser emission from chiral polymeric microspheres

Controlling light within microscopic spaces is crucial for next-generation optical devices such as photonic integrated circuits and localized sensors. Microspheres formed of luminescent π-conjugated polymers act as optical ...

7 hours ago
Phys.org / Baseline tool could separate alien life signals from geology on ocean worlds

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, scientists can be misled because ...

14 hours ago
Phys.org / Sponsorship is key to career progression but less than one in four relationships work

A research report launched today reveals that sponsorship is a critical part of progression into senior leadership roles because it teaches individuals how advancement actually works in practice. But only a small proportion ...

4 hours ago
Medical Xpress / Brainstem neurons map whisker touch into object distance, reveals mouse study

If you are crossing an unfamiliar room in the dark, you may grope around a bit to get a sense of your space. But for many animals, feeling out a space comes more naturally. A mouse, for instance, can efficiently navigate ...

12 hours ago
Phys.org / Much of Earth's 'space dust' may come from unidentified near-Earth asteroids

Like a shelf in an old house, the Earth collects a lot of dust from its surroundings. This "space dust" is mostly made up of micrometeorites that survive atmospheric entry and provides researchers with a cheap and easy way ...

15 hours ago
Phys.org / Where rivers face collapse: New tool shows where conservation dollars can do most good

Freshwater ecosystems are under growing pressure worldwide, but conservation resources are limited. A framework developed by IIASA researchers and partners can help identify where conservation could prevent biodiversity loss ...

9 hours ago
Medical Xpress / Clinician support key to patient adoption of VR therapies, study suggests

A new study published in JMIR XR and Spatial Computing demonstrates that the way virtual reality therapeutics (VRx) are introduced to patients is a critical factor in how successfully they adopt the technology. The randomized ...

5 hours ago
Phys.org / Metallic rutile oxides break the rules of cooling

Physicists have long puzzled over a strange contradiction inside a family of minerals called rutile oxides. These materials all share the same crystal structure—but while some of them, like titanium dioxide, are firmly insulating, ...

19 hours ago
Medical Xpress / Not all birth controls are equal, some are linked to higher risk of brain tumors, study finds

Meningiomas are the most common brain tumors in adults, accounting for 38% to 42% of all primary central nervous system tumors. According to 2021 WHO data, 874 million of the world's 1.9 billion women of reproductive age ...

17 hours ago
Phys.org / JWST finds the most distant barred galaxy candidate in the early universe

Astronomers using the James Webb Space Telescope have identified what may be the most distant barred spiral galaxy ever discovered, dating to a time less than 1.2 billion years after the Big Bang. The paper outlining its ...

19 hours ago
Medical Xpress / Modern IVF achieves higher success rates with single embryo transfer, major study finds

Modern IVF treatment can now achieve substantially higher success rates than historical approaches while dramatically reducing twin and triplet pregnancies, according to new research presented at the 42nd Annual Meeting of ...

8 hours ago