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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 ...
Phys.org / Orange, camphor-smelling solid could be a key to the next generation grid-storage batteries
An orange solid with a camphor-like odor has helped aqueous zinc-iodide batteries move a large step closer to supplying safe and economic grid and household energy storage.
Tech Xplore / AI-powered companionship: Harnessing music and empathetic speech in robots to combat loneliness
Loneliness has a critical impact on the mental health of citizens, particularly among the elderly. Robots capable of perceiving and responding to human emotions can serve as heart-warming companions to help lift the spirits. ...
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 ...
Phys.org / Gut microbe Blautia luti uses formate, not hydrogen, to shuttle electrons
Among the many trillions of microorganisms in the human gut is Blautia luti. Like many gut bacteria, it metabolizes indigestible dietary components, such as fiber in the form of carbohydrates. This process produces, among ...
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 ...
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 ...
Phys.org / Platinum nanostructure sensor can differentiate mirror-image volatile scent compounds
Terpenes are volatile organic compounds that are responsible for, among other things, the typical scents of plants, resins or citrus fruits. These compounds occur naturally in the environment and influence chemical processes ...
Phys.org / How lipid nanoparticles carrying vaccines release their cargo
A study from FAU has shown that lipid nanoparticles restructure their membrane significantly after being absorbed into a cell and ending up in an acidic environment. Vaccines and other medicines are often packed in little ...
Phys.org / From sea to space: Turning the tide on microplastic pollution with satellite technology
What do microplastics, water color, and satellites have in common? Dr. Karl Kaiser, professor of marine and coastal environmental science in the College of Marine Sciences and Maritime Studies at Texas A&M University at Galveston ...
Phys.org / Hadean zircons reveal crust recycling and continent formation more than 4 billion years ago
Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought. New research led by scientists at the University of Wisconsin–Madison has uncovered chemical signatures ...
Dialog / Infrared running of gravity offers a field-theoretic route to dark matter phenomena
The mystery of dark matter—unseen, pervasive, and essential in standard cosmology—has loomed over physics for decades. In new research, I explore a different possibility: Rather than postulating new particles, I propose ...
