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Phys.org / Too much RNA can starve cells of energy, study finds

A new study from researchers at the Texas A&M College of Veterinary Medicine and Biomedical Sciences (VMBS) has uncovered a previously unknown consequence of viral infection: Too much RNA inside a cell can disrupt its ability ...

5 hours ago
Phys.org / Antarctica's brief rebound was caused by climate variability, not a 'new normal'

Between 2021 and 2023, Antarctica appeared to be growing. Heavy snowfall fueled by wetter weather caused parts of the continent to gain mass, leading some to question whether climate change is really causing the ice to melt. ...

13 hours ago
Phys.org / Peru's highest mountain confirms tropics were a major methane source before the industrial era

A new analysis of ice cores collected from the Andes in Peru has produced the first global record of historical tropical methane, filling a critical gap in our understanding of the origins of Earth's greenhouse gases.

13 hours ago
Phys.org / AI prompts offer a new tool for mapping how emotion concepts relate

How similar are "joy" and "surprise"? Conversely, how far apart are "joy" and "sadness"? We naturally organize words that express emotions—such as "happy," "afraid," and "angry"—according to similarities and differences in ...

6 hours ago
Phys.org / Sustainability commitments have serious consequences

Amid increasingly stiff competition for capital, one way for a business to stand out is to make strong social impact pledges. For example, companies can voluntarily commit to environmental impact goals in hopes of attracting ...

3 hours ago
Medical Xpress / Merck and Moderna's tailored cancer drug curbs melanoma recurrence in trial

US drugmakers Merck and Moderna said Wednesday an experimental melanoma drug that delivers treatment tailored to a patient's specific tumor prevented the cancer from returning in a large clinical trial.

14 hours ago
Tech Xplore / 'Oxygen tunnel' structure could solve 3D memory reliability problem to boost AI chip performance

As AI systems become more advanced, memory is required to transfer larger amounts of data at higher speeds. But conventional planar semiconductor scaling is running out of room. A KAIST research team has now addressed a key ...

13 hours ago
Phys.org / 'Ecology of fear' can dramatically change the behavior of blue mussels

For a blue mussel, a good meal does not come entirely without risk. Blue mussels feed by filtering microscopic algae from seawater. But some unwelcome guests can slip in along with their food. Tiny parasite larvae can hitch ...

6 hours ago
Medical Xpress / Gut bacteria may transform spinach, beets and plant iron into protective compounds

Researchers at Karolinska Institutet have discovered that gut bacteria can convert dietary nitrate and iron into protective molecules that may reduce the risk of cardiovascular and metabolic diseases. The study, published ...

13 hours ago
Phys.org / New lipid nanoparticle delivers capped circular RNA for longer-lasting gene expression

Researchers at Nagoya University in Japan in collaboration with FUJIFILM have developed a novel way of delivering circular RNA (cirRNA) into cells, paving the way for longer-lasting mRNA-based therapeutics including cancer ...

13 hours ago
Medical Xpress / Cell-preservation technique could make CAR-T cell therapy more accessible

Immune cells that are engineered to attack cancer cells, known as CAR-T cells, are used to treat some types of blood cancer. However, only about 5% of hospitals in the United States can generate and deliver CAR-T cells to ...

12 hours ago
Phys.org / 'Disarming' discovery could help scientists fight deadly fungal infections

Researchers from Monash University, in collaboration with the University of Warwick, have discovered how the bacterial antibiotic "gladiolin" can disarm Candida albicans, one of the leading causes of life-threatening fungal ...

6 hours ago