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Phys.org / Nanocrystal biohybrids harvest light to reduce N₂ gas to ammonia

Ammonia, a key part of nitrogen fertilizers, is central to sustaining global food production. However, its manufacture is also energy intensive: Ammonia production requires 2% of global energy to meet global demand. Approximately ...

22 hours ago in Nanotechnology
Phys.org / Invisible actors in groundwater mapped for first time, revealing role in freshwater reservoir

Groundwater is considered the largest reservoir of liquid freshwater on Earth and a habitat for complex microbial communities that drive essential biogeochemical cycles. Until now, the role of viruses that infect microorganisms ...

23 hours ago in Biology
Medical Xpress / Spray away infections: New device delivers antibiotics via mist, alleviating risks of side effects

A University of Missouri researcher has unveiled a safer, smarter way to fight drug-resistant infections. Dr. Hongmin Sun, an associate professor in the School of Medicine, has demonstrated that a spray-mist device can deliver ...

22 hours ago in Biomedical technology
Phys.org / Analysis reveals interhemispheric thermal imbalance as key to Asian-Australian monsoon variability

The Asian-Australian monsoon system (A-AuMS) is the world's most typical cross-equatorial coupled monsoon system. On a seasonal timescale, the summer monsoon in one hemisphere is usually linked to the winter monsoon in the ...

22 hours ago in Earth
Medical Xpress / Neuroticism may be linked with more frequent sexual fantasies

People with a relatively neurotic personality report having more frequent sexual fantasies, while people who are relatively conscientious or agreeable report less frequent fantasizing. Emily Cannoot of Michigan State University, ...

23 hours ago in Psychology & Psychiatry
Phys.org / 2024 total eclipse subtly shifted animal calling across three Ohio prairies, study finds

No natural phenomenon provides a rarer chance to study the secrets of the animal world than a total solar eclipse. This was recently demonstrated by researchers investigating how a total solar eclipse might affect the soundscape ...

22 hours ago in Biology
Phys.org / Well-behaved dogs generally have lower cortisol and higher serotonin, study finds

Dogs who scored well on the Wesen test, which is used to analyze a dog's temperament, tended to have lower levels of cortisol, often called the "stress hormone," and higher levels of serotonin, often called the "happiness ...

23 hours ago in Biology
Phys.org / From single queens to mega-colonies: How ant societies are shaped by the environment

A single queen in the tropics; large colonies in deserts; workers with uniform morphology in temperate regions; ant social structures vary according to environmental conditions. This is shown, for the first time at a global ...

23 hours ago in Biology
Medical Xpress / A genetic blueprint for avoiding killer T cell exhaustion

A multi-institutional study led by researchers at UNC Lineberger Comprehensive Cancer Center, the Salk Institute for Biological Studies, and UC San Diego has uncovered new genetic rules that determine how powerful immune ...

22 hours ago in Genetics
Medical Xpress / Researchers overcome major obstacle to grow and study human norovirus

Researchers at Baylor College of Medicine report in Science Advances a breakthrough in human norovirus (HuNoV) research. Norovirus is a leading cause of acute viral gastroenteritis worldwide with severe outcomes mostly among ...

23 hours ago in Immunology
Medical Xpress / Small molecule blocks key glioblastoma driver, raising hopes for new treatment

UVA Comprehensive Cancer Center scientists have identified a molecule that blocks the gene responsible for glioblastoma, raising hopes that the molecule could become a much-needed new treatment for the deadliest brain cancer. ...

22 hours ago in Oncology & Cancer
Medical Xpress / Modeling decades of muscle atrophy in weeks with new transgenic zebrafish

As people age, muscles naturally lose mass and strength, a condition known as sarcopenia. The decline can make everyday activities harder and increases the risk of falls, disability, and early death. At the moment, the best ...

23 hours ago in Genetics