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Science X / A good yawn might do more than you think, say researchers

A simple yawn may feel like the most ordinary of human acts—a reflex triggered by tiredness, boredom, or seeing someone else's mouth stretch wide. But scientists still cannot say with certainty why we do it.

10 hours ago
Phys.org / Researchers develop highly efficient, durable catalyst for chlor-alkali electrolysis

Efficient and durable catalysts for the chlorine evolution reaction (CER) are critical for chlor-alkali and related brine electrolysis processes, but conventional anodic materials often struggle to balance catalytic activity, ...

3 hours ago
Medical Xpress / Lung scans can reveal important differences in sarcoidosis severity according to new study

A new study by researchers at National Jewish Health and collaborating institutions has found that different patterns seen on lung scans can signal how severe sarcoidosis may be, and how it affects breathing. The research ...

3 hours ago
Tech Xplore / Ultralight carbon fiber lattices achieve aluminum-level performance at a fraction of the weight

Researchers at Seoul National University have developed a new class of ultralight structural materials that combine the load-bearing strength of engineering materials with the weight of foam. Using a method called 3D node ...

8 hours ago
Science X / Dreaming while awake: Dream-like states are not confined to sleep

We tend to take for granted that the thoughts associated with sleep have a particular quality: We often describe them as elusive, abstract, or marked by a certain strangeness. Yet a study conducted by researchers from the ...

8 hours ago
Phys.org / New genome editing method could swap entire genes and correct 1000 mutations at once

New technology enables the insertion of a large segment of DNA into a genome, potentially expanding gene therapy treatment from cancellation of disease-causing mutations to replacement of an entire gene, scientists say.

5 hours ago
Phys.org / Revolving doors and efficient engines: How proteins escape a molecular tangle

Trying to untangle a knot in a mess of strings can be frustrating and time-consuming. But not so for molecular machines—molecules that convert chemical energy into mechanical work and motion. Machines from the AAA+ family, ...

10 hours ago
Tech Xplore / A virtual violin produces realistic sounds before wood is ever carved

There is no question that violin-making is an art form. It requires a musician's ear, a craftsperson's skill, and a historian's appreciation of lessons learned over time. Making a violin also takes trust: Violin makers (luthiers) ...

10 hours ago
Phys.org / AI classifier flags bird flu genomes more likely to spread in mammals

A research team from the LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has developed a machine-learning classifier capable of analyzing the genomes of influenza A viruses (IAVs) to accurately predict their ...

5 hours ago
Phys.org / How the Ampelomeryx grew: Discovering the life history of a giraffe relative that lived in Catalonia

A research team from the Institut Català de Paleontologia Miquel Crusafont (ICP-CERCA) has led the paleohistological study of Ampelomeryx ginsburgi, a giraffomorph ruminant from the Middle Miocene recovered at the Els Casots ...

11 hours ago
Phys.org / The most common planets in the galaxy don't appear around the most common stars, TESS observations suggest

Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are planets that orbit stars outside our solar system. But new research from McMaster University reveals ...

12 hours ago
Phys.org / Observing exotic quasiparticle states in kagome superconductor CsV₃Sb₅

A research team led by Prof. Hao Ning of the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, in collaboration with Anhui University and the University of Science and Technology of China, has identified ...

12 hours ago