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Phys.org / Careful crystallization unlocks well-ordered perovskite layers for transistors

Perovskites are a class of materials with a unique crystal structure that suits applications such as fabricating solar cells, light-emitting diodes and transistors. However, molecules in thin layers often cannot arrange themselves ...

9 hours ago
Medical Xpress / Written in the eye: How the retina's biological age could help predict osteoporosis risk

Eyes, the high-resolution biological devices that help us visualize the outside world, are now being used as a portal to assess our internal health. Scientists have found that a closer evaluation of how one's retina is aging ...

16 hours ago
Phys.org / A physicist's fresh look at the 'prisoner's dilemma' reveals hope for cooperation

The "prisoner's dilemma" is one of the most famous ideas in game theory. For decades, this game has been used to explain why selfishness often beats cooperation. In the prisoner's dilemma, two players can either cooperate ...

10 hours ago
Phys.org / Reconfigurable Ge-Si photodetector achieves ultrahigh-speed data transmission using low-loss packaging

The rapid growth of large language models is placing increasing demands on data centers, where large volumes of data must be transferred efficiently between servers. Optical interconnects are essential for enabling this communication, ...

10 hours ago
Phys.org / The structure of water: Entropy determines whether ions stick

Water molecules do not simply swirl around in complete disorder; they can form certain preferred structures. This scientific fact is often presented in entirely unscientific ways. For example, when people speak of an alleged ...

10 hours ago
Science X / Across Bronze Age Sweden, carved footprints point to a ritual for turning social ties into stone

Etched into the ancient rocky outcrops of southern Scandinavia and large boulders left behind by retreating glaciers are footprints, also called podomorphic petroglyphs. Some are barefoot with every toe visible, while others ...

17 hours ago
Science X / The asteroid that wiped out the dinosaurs may have triggered a global fungal bloom

The asteroid that smacked into our planet about 66 million years ago at the Cretaceous-Paleogene (K/Pg) boundary may have been bad news for dinosaurs, but it was good news for fungi. According to new research published in ...

19 hours ago
Phys.org / Video: Preparing Smile for space

Before Smile can begin studying how Earth responds to the streams of particles and bursts of radiation from the sun, the spacecraft had to complete an extraordinary journey here on Earth.

5 hours ago
Phys.org / Mars reveals first Zwan-Wolf effect deep in its atmosphere during a solar storm

In December 2023, scientists looking at Mars data stumbled across something completely unexpected—observations of an atmospheric effect never before seen in the Red Planet's atmosphere. Using instruments aboard NASA's MAVEN ...

10 hours ago
Phys.org / Sea level rise is swallowing US Mid-Atlantic farmland faster than expected, study finds

Ghost forests, the cemetery-like groupings of dead trees killed by saltwater intrusion, have become haunting symbols of sea level rise overtaking land along the Mid-Atlantic coast. But a new study published in Nature Sustainability, ...

10 hours ago
Phys.org / MatterChat model helps AI to 'see' the language of atom-scale physics to sharpen materials predictions

From writing emails to generating computer code, much of the artificial intelligence prevalent in our daily lives has succeeded by mastering one domain: text. However, this leaves a major blind spot in the physical sciences, ...

10 hours ago
Medical Xpress / Surgical patients with mental health conditions who receive music therapy are more medically complex, study finds

A new study from University Hospitals Connor Whole Health found that patients with mental health and/or substance use disorders who undergo surgery and receive music therapy are more medically complex and therefore may experience ...

5 hours ago