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Phys.org / Physicists develop new method to measure universe's expansion rate

We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These methods are internally consistent ...

8 hours ago in Astronomy & Space
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 ...

6 hours ago in Nanotechnology
Phys.org / Nutrient-driven 'death fronts' may explain why some antibiotics fail outside the lab

Antibiotics are medical marvels that have transformed once deadly bacterial infections into manageable conditions. But with a rise in antibiotic resistance that renders existing treatments ineffective, new agents are urgently ...

7 hours ago in Biology
Medical Xpress / Two lipids that help switch on STING open doors in fight against autoimmune disorders and cancer

UT Southwestern Medical Center researchers have identified two lipids that work together with a quintessential protein known as stimulator of interferon genes (STING) to launch an immune response in the human body. Their ...

6 hours ago in Immunology
Phys.org / Mate choice: How social trends influence mate diversity

Whether people follow a general trend when choosing a partner or consciously decide against it has a noticeable impact on the diversity of phenotypes to choose from. This is shown by a new study by the University of Würzburg.

8 hours ago in Biology
Phys.org / Diamond surfaces are covered in thin, ice-like water layers

Using atomic-scale defects in diamond, researchers in China have gained unprecedented insights into the complex chemical processes that unfold at the interfaces between solid surfaces and their surroundings. Published in ...

15 hours ago in Nanotechnology
Medical Xpress / Lab-grown reservoir cells aim at HIV's last strongholds

A new study has overcome a long-standing challenge: how to isolate and study elusive HIV-infected cells called authentic reservoir clones (ARCs) that evade the immune system, making the disease difficult to cure. Researchers ...

7 hours ago in HIV & AIDS
Phys.org / One of the biggest stars in the universe might be getting ready to explode

One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A study led by Gonzalo Muñoz-Sanchez at the National Observatory of Athens, ...

11 hours ago in Astronomy & Space
Tech Xplore / HEART benchmark assesses ability of LLMs and humans to offer emotional support

Large language models (LLMs), artificial intelligence (AI) systems that can process human language and generate texts in response to specific user queries, are now used daily by a growing number of people worldwide. While ...

13 hours ago in Consumer & Gadgets
Medical Xpress / Clinically informed AI outperforms foundation models in spinal cord disease prediction

Cervical spondylotic myelopathy (CSM) refers to spinal cord compression from arthritis in the neck and is the leading cause of spinal cord dysfunction in older adults. CSM is a chronic, progressive condition that can cause ...

Phys.org / Ice Age erosion may explain Appalachians' smoother northern peaks

Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia soften into the broad summits and smooth peaks of Pennsylvania and New Jersey. According to new research ...

8 hours ago in Earth
Phys.org / Electrical control of magnetism in 2D materials promises to advance spintronics

Conventional electronics process information leveraging the electrical charge of electrons. Over the past few decades, some electronics engineers have been exploring the potential of a different type of device that instead ...

17 hours ago in Physics