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Blog – Page 8

The marine bacterium Alcanivorax borkumensis feeds on oil, multiplying rapidly in the wake of oil spills, and thereby accelerating the elimination of pollution, in many cases. It does this by producing an “organic dishwashing liquid” which it uses to attach itself to oil droplets.

Researchers from the University of Bonn, RWTH Aachen University, Heinrich Heine University Dusseldorf and research center Forschungszentrum Julich have now discovered the mechanism by which this organic liquid is synthesized.

Published in Nature Chemical Biology, the research findings could allow the breeding of more efficient strains of oil-degrading bacteria.

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Carbyne, a one-dimensional chain of carbon atoms, is incredibly strong for being so thin, making it an intriguing possibility for use in next-generation electronics, but its extreme instability causing it to bend and snap on itself made it nearly impossible to produce at all, let alone produce enough of it for advanced studies. Now, an international team of researchers, including from Penn State, may have a solution.

The research team has enclosed carbyne in —tiny, tube-shaped structures made entirely of carbon that are thousands of times thinner than a human hair. Doing this at low temperatures makes carbyne more stable and easier to produce, potentially leading to new advancements in materials science and technology, the researchers said.

They called the development “promising news,” as scientists have struggled for decades to create a stable form of carbyne in large enough quantities for deeper investigation.

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A team of researchers has developed a technique that makes high-dimensional quantum information encoded in light more practical and reliable.

This advancement, published in Physical Review Letters, could pave the way for more secure data transmission and next-generation quantum technologies.

Quantum information can be stored in the precise timing of single photons, which are tiny particles of light.

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The deconstruction of cellulose is essential for the conversion of biomass into fuels and chemicals. But cellulose, the most abundant renewable polymer on the planet, is extremely recalcitrant to biological depolymerization. Although composed entirely of glucose units, its crystalline microfibrillar structure and association with lignin and hemicelluloses in plant cell walls make it highly resistant to degradation.

As a result, its degradation in nature is slow and requires complex enzymatic systems. The deconstruction of cellulose, which could, among other things, significantly increase the production of ethanol from sugarcane, has been a major technological challenge for decades.

Researchers from the Brazilian Center for Research in Energy and Materials (CNPEM), in partnership with colleagues from other institutions in Brazil and abroad, have just obtained an enzyme that could revolutionize the process of deconstructing cellulose, allowing, among other technological applications, the large-scale production of so-called second-generation ethanol, derived from agro-industrial waste such as sugarcane bagasse and corn straw. The study was published in the journal Nature.

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Infrared optoelectronic functional materials are essential for applications in lasers, photodetectors, and infrared imaging, forming the technological backbone of modern optoelectronics. Traditionally, the development of new infrared materials has relied heavily on trial-and-error experimental methods. However, these approaches can be inefficient within the extensive chemical landscape, as only a limited number of compounds can achieve a balance of several critical properties simultaneously.

To tackle this challenge, researchers from the Xinjiang Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences have made significant strides in the (ML)-assisted discovery of infrared functional materials (IRFMs). The research team has developed a cohesive framework that integrates interpretable ML techniques to facilitate the targeted synthesis of these materials.

The paper is published in the journal Advanced Science.

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NASA’s James Webb Space Telescope (JWST) utilizes mid-infrared spectroscopy to precisely analyze molecular components such as water vapor and sulfur dioxide in exoplanet atmospheres. The key to this analysis, where each molecule exhibits a unique spectral “fingerprint,” lies in highly sensitive photodetector technology capable of measuring extremely weak light intensities.

Recently, KAIST researchers have developed an innovative capable of detecting a broad range of mid-infrared spectra, garnering significant attention. A research team led by Professor SangHyeon Kim from the School of Electrical Engineering has developed a mid-infrared photodetector that operates stably at room temperature, marking a major turning point for the commercialization of ultra-compact optical sensors.

The work is published in the journal Light: Science & Applications.

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X-ray imaging is indispensable in medical diagnostics and material characterization. To generate an image, a detector converts X-rays that pass through the object into electrical signals. Higher detector sensitivity enables lower radiation doses, which is particularly important in medical applications.

Currently used X-ray detectors consist of inorganic compounds of elements with medium to high atomic numbers. In recent years, inorganic perovskite compounds have also been tested as X-ray detectors with very good results.

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Most biochemistry labs that study DNA isolate it within a water-based solution that allows scientists to manipulate DNA without interacting with other molecules. They also tend to use heat to separate strands, heating the DNA to more than 150°F, a temperature a cell would never naturally reach. By contrast, in a living cell DNA lives in a very crowded environment, and special proteins attach to DNA to mechanically unwind the and then pry it apart.

“The interior of the cell is super crowded with molecules, and most biochemistry experiments are super uncrowded,” said Northwestern professor John Marko. “You can think of extra molecules as billiard balls. They’re pounding against the DNA double helix and keeping it from opening.”

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Today we’re releasing early access to Gemini 2.5 Pro Preview (I/O edition), an updated version of 2.5 Pro that has significantly improved capabilities for coding, especially building compelling interactive web apps. We were going to release this update at Google I/O in a couple weeks, but based on the overwhelming enthusiasm for this model, we wanted to get it in your hands sooner so people can start building.

This builds on the overwhelmingly positive feedback to Gemini 2.5 Pro’s coding and multimodal reasoning capabilities. Beyond UI-focused development, these improvements extend to other coding tasks such as code transformation, code editing and developing complex agentic workflows.

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What if the secret to longevity wasn’t in the mind or the gut — but in the heart?

Speaking at the inaugural New York Times Well Festival on Wednesday, psychiatrist and researcher Dr. Robert Waldinger announced he and his team were “shocked” by “the biggest predictor of who was going to live long and stay healthy.”

Waldinger, the director of the Harvard Study of Adult Development — the longest-running scientific study of adult life — revealed the predictor was “how connected you were to other people and particularly the warmth of your connection to other people.”

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