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What really controls water chemistry in nanoscale spaces

Water is the most studied molecule on Earth, yet a surprisingly basic question has gone unanswered for decades: When water is squeezed into gaps just a few molecules wide—as happens inside nanoscale pores, membranes and biological channels—does it become more or less chemically reactive?

This matters because water’s most fundamental chemical property is its ability to split into two charged species, H₃O⁺ (the hydronium ion) and OH⁻ (the hydroxide ion). This reaction defines the pH, a measure of how acidic or alkaline (basic) a solution is, and underpins all of acid-base chemistry, from how enzymes work in your cells to how electrodes function in batteries.

Through this research, the scientists wanted to understand whether (and how) confining water to nanometer-scale spaces affects this behavior.

Advances in materials science are helping unlock secrets of nanomaterials

New instruments on the horizon promise the most precise tools yet to study and experiment on the smallest and most complex materials ever manufactured. In a paper published in the journal Nature Materials, University of Cincinnati assistant professor Hanxun Jin highlighted advances in ultrasensitive technology to measure and manipulate some of the tiniest nanomaterials used in manufacturing, aerospace, medicine and more.

And when Jin says tiny, he means really tiny. Semiconductor nanocrystals called quantum dots that are used in TV screens are so small they’re considered zero-dimensional. That makes the field of nanomaterials characterization a particularly exciting one, Jin said.

Defect detection automated in diamond, other advanced semiconductors

Materials scientists at Rice University have developed a new workflow methodology for measuring microscopic defects in diamond and other advanced semiconductor materials. By making it easier to spot flaws that can undermine performance, the approach could accelerate the development of more reliable electronic and quantum devices.

The research team developed a custom Python-based software tool to rapidly analyze data from high-resolution X-ray diffraction, a technique that uses X-rays to probe a material’s internal crystal structure. The software analyzes the resulting diffraction patterns, picks up on dislocations and irregularities in the atomic lattice, and calculates their density in a given material.

“Dislocations can disrupt how charge and heat move through the material, which impacts how efficient and reliable a device is and how easy it is to manufacture at scale,” said Xiang Zhang, assistant research professor of materials science and nanoengineering at Rice and a corresponding author on the study published in Advanced Materials.

Non-Hermitian geometry reveals when quantum amplification depends only on start and end points

In quantum mechanics, the geometry of quantum states has emerged as a powerful framework for understanding phenomena ranging from electrical conductivity to superconductivity. One research direction aims to extend these geometric concepts to non-Hermitian quantum mechanics—where systems can exchange energy with their environment—including the generalization of the Berry phase, a key geometric quantity, to the non-Hermitian case.

However, many geometric properties unique to non-Hermitian quantum mechanics remain poorly understood.

“We knew geometry played a central role in ordinary quantum mechanics, but what genuinely new geometric effects might emerge in the non-Hermitian case was far from clear,” explains Tomoki Ozawa, a theoretical physicist at AIMR. “We wanted to identify geometric phenomena that are truly intrinsic to non-Hermitian quantum mechanics.”

New oral heart failure drug appears to be safe and well tolerated in 58-patient early clinical trial

An early clinical study shows that a new oral drug is safe and well tolerated in patients with chronic heart failure. The study, led by researchers at Karolinska Institutet, has been published in The Lancet.

Heart failure with reduced pumping capacity means that the heart struggles to pump blood effectively around the body. Despite current treatments, many patients’ conditions worsen over time, and existing drugs that strengthen the heart’s contractions can cause serious side effects, such as heart rhythm disturbances and effects on blood pressure.

In the study, researchers investigated a new drug, AC01, which targets the body’s ghrelin receptor. Ghrelin is a hormone that influences metabolism and growth hormone release, and its receptor is also found in heart muscle. AC01 is intended to strengthen the heart’s pumping ability through a different biological mechanism from traditional heart-stimulating drugs, thereby reducing the risk of side effects.

Did Physics Just Lose a Brilliant Idea?

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One of the most popular ideas in physics right now is something named “ER = EPR.” This theory has it that entangled particles are actually linked by tiny, tiny wormholes. Recently, a group of physicists tested the idea – let’s take a look at their findings.

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Breastfeeding may protect against ADHD symptoms

A new study from the University of Bergen shows an association between breastfeeding up to 6 months of age and a reduced risk of ADHD symptoms from ages 3 to 8.

Breast milk is the primary source of nutrition for infants. It is uniquely tailored for the child and contains numerous components beneficial for growth and brain development, including long-chain fatty acids, amino acids, antibodies and beneficial bacteria.

“It is well established that psychiatric symptoms and disorders can be influenced by both genetic and environmental factors,” says Berit Skretting Solberg, psychiatrist and researcher at the Department of Biomedicine, University of Bergen, and senior consultant at Betanien Hospital.

First use of precision editing to study human embryo development reveals role of master gene

Research led by the University of Cambridge Loke Center for Trophoblast Research has shown that a genome-editing technique can be used to alter a single gene in human embryonic cells, enabling the study of very early human development in unparalleled detail. The study is published in the journal Nature.

Wikipedia Co-Founder Has Been Banned from Editing the Site

It’s important to mention that Sanger had started the WikiProject Intellectual Diversity project to reinforce Wikipedia’s original purpose, which was to provide knowledge neutrally and transparently, especially because, in later years, some people have thought that the site leans toward left-wing ideas.

Sanger said that he feels more sorry for Wikipedia because he was trying to fix the site, but it was overrun by bias and censorship. He wrote about the whole thing for The Free Press, but you can read it only if you are willing to pay the subscription fee.

‘Who is going to pay us when we’re replaced by robots?’ The Indian factory workers told to film themselves for AI

As Lalita sat stitching shirts and trousers, the camera recorded everything: the rhythm of her hands guiding cloth through the sewing machine; the precision with which she aligned collars and seams; the speed at which her fingers corrected folds and imperfections; even interactions with colleagues. ‘We found it funny at first, because of how we all looked with that headgear,’ she says.

But the atmosphere on the factory floor soon started to change. Worried that their productivity was being monitored, workers became more conscious of their movements. Conversations that would ordinarily unfold across sewing lines grew quieter. Some paid greater attention to their work, wary that every mistake, pause or distraction could be captured on camera.

What Lalita and her colleagues did not know was that their daily routines were being captured as part of a growing effort by companies in India to collect first-hand data from factory floors, information increasingly valuable in the race to automate industrial work.

First-person recordings of human movements and interactions are called egocentric data and are vital for training robots that might one day replace humans on the production line.


When workers had cameras attached to them, they found it funny at first. But novelty soon turned to concern.

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