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Phys.org / Oases in the desert of Arabia created 'brands' in the Bronze Age

Did brands exist before modern society, in noncapitalist economies? An international team led by Marta Luciani of the University of Vienna has made unexpected discoveries about Bronze Age trade: Yes, brands did indeed exist ...

2 hours ago
Medical Xpress / Compound produced after eating pomegranates targets stiff-heart failure pathway, early tests suggest

A compound produced in the body after eating pomegranates improves heart function by up to 80% in a type of heart failure with limited treatment options.

2 hours ago
Phys.org / Astronomers catch hot birth of galaxy cluster more than 11 billion light-years away

Astronomers have detected an enormous cloud of gas tens of millions of degrees hot surrounding one of the most extreme structures known in the early universe. The study offers one of the clearest views yet of a galaxy cluster ...

8 hours ago
Phys.org / Gentle chemical glow helps scientists capture sharper images of living cells

We reach for brighter, better lighting for sharper pictures, whether we're photographing a puppy or a microscopic cell. In most cases, the light comes from outside the object being photographed. A recent study explored a ...

4 hours ago
Phys.org / Genetic 'switches' could program 3D-printed bone tissue for blood vessel growth

An interdisciplinary team of engineers and chemists at Penn State has laid the groundwork for 3D printing spheroids—tiny clusters of living cells—capable of regenerating bone tissue in response to severe trauma or infections.

2 hours ago
Medical Xpress / In Crohn's disease and ulcerative colitis, inflammation blocks its own healing

Why does inflammation persist in Crohn's disease and ulcerative colitis, even as the body is trying to bring it under control? Researchers in Kiel and the United States have identified a mechanism that offers a surprising ...

1 hour ago
Phys.org / Light-driven proteins in artificial membranes—a new method for biohybrid systems

Light-driven membrane proteins are key components in biohybrid systems because they can convert light energy into ion gradients, enabling energy conversion or sensory applications. While their integration into natural lipid ...

1 hour ago
Phys.org / Shrews exhibit reversible size changes in their skulls and noses to get through the winter

Scientists had previously observed that some species of shrews undergo a form of biological plasticity in which their bodies, skulls, brains and some organs shrink in the winter, then regrow in the spring. Now, a new study ...

4 hours ago
Tech Xplore / Hybrid magnetic device enables quantum-inspired secure communication at room temperature

MIT researchers have overcome a major challenge holding back the real-world deployment of microwave quantum technologies for advanced signal processing and secure communications.

3 hours ago
Medical Xpress / Ambient light activates wearable patch for wound treatment

A research team has developed a wearable patch that simultaneously promotes wound closure and tissue regeneration using room light or sunlight, without batteries or an external electrical power source. The work has been published ...

3 hours ago
Phys.org / AI flood map reveals 11 million Americans may be omitted from official risk zones

Official flood maps shape disaster preparedness, insurance decisions and urban planning, but large parts of the United States remain unmapped or under-mapped. This means some communities may be left unaware of the risks they ...

3 hours ago
Medical Xpress / For students, consistent exercise may matter more for mental health than intense workouts

Infrequent exercise is associated with a higher prevalence of common mental disorders such as depression and anxiety among higher education students in Norway, according to a study published in PLOS ONE by Michael Grasdalsmoen ...

1 hour ago