A new study suggests younger generations may be aging faster biologically, increasing their risk of early-onset cancers. The findings link larger biological age gaps to cancer risk, highlighting new opportunities for cancer prevention.
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New bacteria-based cooling material could help electronics and EV batteries run cooler
Next-generation electronic devices like newer computers and other high-power devices require more energy to run. When they are working hard, the intense heat they generate can limit their performance and reliability. That’s why scientists are trying to find better and more sustainable materials to help cool devices down.
Weinan Xu, an assistant professor in the Department of Materials Science and Engineering at the University of Tennessee, Knoxville, has developed a novel concept for the fabrication and processing of thermal interface materials based on synergistic microbial biosynthesis, which is a way of making useful materials with the help of microbes like bacteria.
Thermal interface materials are specialized substances inserted between electronic and cooling devices to eliminate tiny air pockets so heat can move out of the device faster. By changing how the bacteria are grown and how the material is processed, the material’s ability to move heat, known as thermal conductivity, can be adjusted.
How ‘peacemakers’ of the immune system could unlock long-term disease remission
“Peacemaker” immune cells could help treat diseases ranging from type 1 diabetes to neurodegeneration by restoring immune tolerance, according to a new paper in Frontiers in Science.
From cancer, diabetes and chronic infections to cardiovascular, neurodegenerative and reproductive conditions, inflammation is increasingly cited as a driver of a broad range of diseases. Immune cells called regulatory T cells (Tregs)—originally defined as “suppressor” cells that stop other immune cells from attacking the body—are being explored as “living drugs” that could eventually be adapted to target many diseases with an inflammatory component.
Such an approach, which aims to tailor Treg therapies to specific diseases and tissues, could support more precise control of immune responses. In autoimmune diseases and transplant rejection, Tregs could even help shift treatment from broad immunosuppression, which brings myriad risks, toward restored immune tolerance and longer-term disease control.
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Here I described constraint — Holonomic, noholonomic, least squares principal.
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Turning low-value diamond dust into high-performance quantum materials
Diamonds have long been coveted for their beauty. Their dazzling color and clarity make them perfect candidates for luxury jewelry. However, it’s their other unique characteristics, including their hardness, thermal conductivity and chemical resistance, that make diamonds suitable for various applications in industry and advanced technologies.
At the quantum scale, carefully engineered diamonds can behave like tiny sensors—able to ‘feel’ magnetic signals from nearby molecules. In simple terms, they can pick up incredibly faint signals that would otherwise be invisible to conventional instruments. This capability could help us detect contaminants in water, identify disease biomarkers and monitor chemical processes in real time.
The project strengthens one of Australia’s most important international science partnerships, bringing together complementary expertise in quantum materials, advanced manufacturing and characterization to accelerate the development of next-generation sensing technologies.
Laser experiments push helium to record shock pressures
Deep inside gas giants like Jupiter and Saturn, hydrogen and helium coexist under pressures millions of times greater than Earth’s atmosphere. Under those conditions, helium may separate from hydrogen and influence a planet’s internal heat flow, structure and magnetic field. Understanding these processes and how these materials behave under extreme conditions is essential to building accurate models of planetary evolution.
New experimental results, published in Physical Review Research, reveal the behavior of helium at unprecedented pressures. The research, conducted by scientists at Lawrence Livermore National Laboratory (LLNL), the University of California, Berkeley, the French Commissariat à l’Énergie Atomique et aux Energies Alternatives (CEA) and the University of Rochester’s Laboratory for Laser Energetics (LLE), shows that helium behaves differently from what most broad-range theoretical models predicted.
How longer exciton lifetimes could ease efficiency trade-off in organic solar cells
Although the efficiency of organic solar cells has now risen to more than 20%, there are physical limits that make it difficult to further increase their performance. A research team from Linköping University in Sweden, the University of Potsdam, the Paul-Drude-Institut in Berlin and other collaborators has now demonstrated which physical processes limit a key parameter in the performance of organic solar cells. This opens up the possibility of overcoming the long-standing efficiency limits of organic solar cells.
The work is published in the journal Nature Photonics.