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AI and optogenetics enable precise Parkinson’s diagnosis and treatment in mice

Globally recognized figures Muhammad Ali and Michael J. Fox have long suffered from Parkinson’s disease. The disease presents a complex set of motor symptoms, including tremors, rigidity, bradykinesia, and postural instability. However, traditional diagnostic methods have struggled to sensitively detect changes in the early stages, and drugs targeting brain signal regulation have had limited clinical effectiveness.

Recently, Korean researchers successfully demonstrated the potential of a technology that integrates AI and optogenetics as a tool for precise diagnosis and therapeutic evaluation of Parkinson’s disease in mice. They have also proposed a strategy for developing next-generation personalized treatments.

A collaborative research team, comprising Professor Won Do Heo’s team from the Department of Biological Sciences, Professor Daesoo Kim’s team from the Department of Brain and Cognitive Sciences, and Director Chang-Jun Lee’s team from the Institute for Basic Science (IBS) Center for Cognition and Sociality, achieved a preclinical research breakthrough by combining AI analysis with optogenetics.

Tumor cells can exploit damaged tissue in the pancreas to create new environments for growth

Pancreatic cancer is an aggressive disease, and unlike many other cancers, survival rates have barely improved. Researchers at Karolinska Institutet, in collaboration with the Department of Pathology at Karolinska University Hospital, have now shown that pancreatic tumor cells not only spread in the connective tissue–rich environment that is a well-known characteristic of pancreatic cancer but also grow into damaged parts of normal pancreatic tissue. There, the cancer can create its own environment.

The study, published in Nature Communications, is based on samples from 108 patients who underwent surgery at Karolinska University Hospital. In almost all cancers, tumor cells were found in the tissue that produces , but it is damaged when tumor cells grow into it.

“We see that the tumor cells adapt to the environment they find themselves in. In damaged areas of normal pancreatic tissue, they exhibit different characteristics than in the connective tissue-rich part of the tumor,” says Marco Gerling, a researcher at the Department of Clinical Science, Intervention and Technology, Karolinska Institutet, who led the study together with pathologist Carlos Fernández Moro.

Scientists unveil breakthrough pixel that could put holograms on your smartphone

A team at the University of St Andrews has unlocked a major step toward true holographic displays by combining OLEDs with holographic metasurfaces. Unlike traditional laser-based holograms, this compact and affordable method could transform smart devices, entertainment, and even virtual reality. The breakthrough allows entire images to be generated from a single OLED pixel, removing long-standing barriers and pointing to a future of lightweight, miniaturized holographic technology.

A “Masterpiece” — For the First Time, Scientists Keep a Mammalian Cochlea Alive Outside the Body

Researchers have captured the living mechanics of hearing for the first time by sustaining a piece of cochlear tissue outside the body. Shortly before his death in August 2025, A. James Hudspeth and his colleagues at The Rockefeller University’s Laboratory of Sensory Neuroscience accomplished a m

New perspectives on light-matter interaction: How virtual charges influence material responses

Understanding what happens inside a material when it is hit by ultrashort light pulses is one of the great challenges of matter physics and modern photonics. A new study published in Nature Photonics and led by Politecnico di Milano reveals a hitherto neglected but essential aspect, precisely the contribution of virtual charges, charge carriers that exist only during interaction with light, but which profoundly influence the material’s response.

The research, conducted in partnership with the University of Tsukuba, the Max Planck Institute for the Structure and Dynamics of Matter, and the Institute of Photonics and Nanotechnology (CNR-IFN) investigated the behavior of monocrystalline diamonds subjected to lasting a few attoseconds (billionths of a billionth of a second), using an advanced technique called attosecond-scale transient reflection spectroscopy.

By comparing with state-of-the-art , researchers were able to isolate the effect of so-called virtual vertical transitions between the electronic bands of the material. Such an outcome changes the perspective on how light interacts with solids, even in hitherto attributed only to the movement of actual charges.

Physicists just found a way to make “something from nothing”

Researchers at UBC have found a way to mimic the elusive Schwinger effect using superfluid helium, where vortex pairs appear out of thin films instead of electron-positron pairs in a vacuum. Their work not only offers a cosmic laboratory for otherwise unreachable phenomena, but also changes the way scientists understand vortices, superfluids, and even quantum tunneling.

In 1951, physicist Julian Schwinger theorized that by applying a uniform electrical field to a vacuum, electron-positron pairs would be spontaneously created out of nothing, through a phenomenon called quantum tunneling.

The problem with turning the matter-out-of-nowhere theory into Star Trek replicators or transporters? Enormously high electric fields would be required — far beyond the limits of any direct physical experiments.

Unique pan-cancer immunotherapy destroys tumors without attacking healthy tissue

A new, highly potent class of immunotherapeutics with unique Velcro-like binding properties can kill diverse cancer types without harming normal tissue, University of California, Irvine cancer researchers have demonstrated.

A team led by Michael Demetriou, MD, Ph.D., has reported that by targeting cancer-associated complex carbohydrate chains called glycans with binding proteins, they could penetrate the protective shields of tumor cells and trigger their death without toxicity to surrounding tissue.

Their biologically engineered immunotherapies—glycan-dependent T cell recruiter (GlyTR, pronounced ‘glitter’) compounds, GlyTR1 and GlyTR 2—proved safe and effective in models for a spectrum of cancers, including those of the breast, colon, lung, ovaries, pancreas and prostate, the researchers report in the journal Cell.

Childhood stress strongly linked to chronic disease in adulthood, researchers report

Research published by Duke University researchers has found a strong link between higher stress in children and adverse health conditions for them later in life. Appearing in the journal Proceedings of the National Academy of Sciences, the study used measurable metrics of health over time to create a more quantitative view of how stress early in life affects health.

“We’ve had an idea for a long time, since the ’80s at least, that when children have adversity in their lives, it affects how their bodies work, not just psychologically, but also physiologically. It gets underneath the skin, and it becomes embodied in the way your body handles stress,” said co-author Herman Pontzer, Duke professor of evolutionary anthropology and global health.

Researchers focused on (AL), which refers to the wear and tear on the body because of chronic stress. The researchers “tested associations between childhood AL and adult cardiometabolic health,” relying on biomarkers that included antibodies of C-reactive protein, which is a marker of inflammation in the body; and the Epstein-Barr virus, which is common and highly contagious; body mass index; and .

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