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Phys.org / Color-changing nanopigment sensor tracks pH one to ten with stable, repeatable readings

Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan Kim and colleagues at ...

13 hours ago in Nanotechnology
Tech Xplore / A new eco-friendly water battery could theoretically last for centuries

The problem with many types of modern batteries is that they rely on harsh chemicals to work. Not only can these corrosive liquids damage internal parts over time, but they can also leach into soil and water when disposed ...

14 hours ago in Energy & Green Tech
Phys.org / Nine-city study finds richer neighborhoods get more sidewalk shade

One of the best forms of heat relief is pretty simple: trees. In cities, as studies have documented, more tree cover lowers surface temperatures and heat-related health risks. However, as a new study led by MIT researchers ...

8 hours ago in Earth
Phys.org / Why do microbes team up? A new model explains nutrient sharing in fluctuating environments

Depending on others for something you need may feel like a risky proposition—and perhaps a human one. It is actually a survival strategy found in the microbial world, and far more frequently than one might expect. Discovering ...

8 hours ago in Biology
Phys.org / When feral cats are away, potoroos and bandicoots are more likely to play

All animals need to eat to survive, grow and reproduce. To do so, they also need to avoid being eaten. This is a big challenge for many of Australia's native mammals, because when they search for food, they must also escape ...

4 hours ago in Biology
Phys.org / Canada's Magdalen Islands' peatlands hold vital clues about ancient Atlantic hurricanes

Eastern Canada has seen a rise in the number of hurricane- and near-hurricane strength events battering its maritime areas, with particularly violent storms in 2003 (Hurricane Juan), 2019 (Dorian) and 2022 (Fiona). While ...

8 hours ago in Earth
Phys.org / Synthetic RNA 'nanostars' create programmable compartments in bacteria

Researchers at the Department of Chemical Engineering and Biotechnology (CEB) have found a new way to organize molecules inside living cells, opening possibilities for more controlled and efficient biomanufacturing. The team ...

8 hours ago in Nanotechnology
Phys.org / When light 'thinks' like the brain: The connection between photons and artificial memory

An international study has revealed a surprising connection between quantum physics and the theoretical models underlying artificial intelligence. The study results from a collaboration between the Institute of Nanotechnology ...

9 hours ago in Physics
Phys.org / Astronomers inspect ultraluminous X-ray pulsar's magnetic field evolution in the Whale galaxy

Indian astronomers have investigated an ultraluminous X-ray pulsar in the galaxy NGC 4631, designated X-8. The new study, described in a paper published Feb. 16 on the arXiv preprint server, provides essential information ...

14 hours ago in Astronomy & Space
Medical Xpress / A 3D-printed swallowable robot could perform gastrointestinal procedures

Recent technological advances have opened new possibilities for the development of advanced medical devices, including tiny robots that can safely move inside the human body. Some of these systems could help to simplify complex ...

14 hours ago in Gastroenterology
Medical Xpress / Solving cancer immunotherapy's fuel shortage with a protected sugar source

Researchers at UCLA have found a way to supercharge immune cells with a fuel source that tumors can't steal, dramatically improving their ability to survive and attack solid tumors in preclinical studies. The approach, published ...

8 hours ago in Oncology & Cancer
Phys.org / AI-powered platform accelerates discovery of new mRNA delivery materials

Integrating AI with advanced robotics to create self-driving labs (SDL) is a promising approach to tackling molecular discovery. A new SDL system, called LUMI-lab, combines large-scale molecular pretraining, active learning, ...

8 hours ago in Nanotechnology