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Medical Xpress / Q&A: Lowering radiation dose in chest X-ray imaging yields same accuracy, researcher finds

Digital tomosynthesis (DTS) is an X-ray technique that provides sectional images with better lesion visibility than conventional chest radiography (CXR), while using far less radiation than CT. Masoud Jadidi will defend his ...

1 hour ago
Tech Xplore / Blade-coating strategy advances scalable production of high-efficiency perovskite solar cells

Chinese scientists have developed a method that could facilitate the large-scale production of high-efficiency perovskite solar cells. The method employs a multidentate anchoring molecule-assisted co-deposition strategy to ...

1 hour ago
Phys.org / Many US public parks sit surprisingly close to hazardous waste sites and facilities that release toxic chemicals

While parks, playgrounds and hiking trails are generally thought of as "healthy" spaces, researchers from the University of Michigan have found that many of them overlap with old toxic waste sites or sit dangerously close ...

3 hours ago
Phys.org / Star cluster discovery could change how scientists measure the universe

University of Missouri researchers have uncovered evidence that challenges one of astronomy's most trusted assumptions, a breakthrough that could reshape how scientists measure galaxies and reconstruct the history of the ...

2 hours ago
Medical Xpress / Single blood test could provide more information about cancer

A single blood test could in the future provide a more comprehensive picture of cancer than current methods. In a review article published in the journal Genome Medicine, researchers at Karolinska Institutet describe how ...

1 hour ago
Phys.org / New hurricane graphic helps people identify watch areas, doesn't change risk perception

Hurricane warnings are only effective if people understand them. A new study by Florida State University faculty members in the School of Communication in the College of Communication and Information and the Department of ...

1 hour ago
Phys.org / Scientists uncover a hidden mechanism that drives RNA synthesis

Scientists have long been fascinated by two promising classes of antibiotics that disable RNA polymerase (RNAP). They knew that these drugs could grind gene expression to a halt in several pathogens, including the bacterium ...

2 hours ago
Phys.org / First evidence of Neanderthal bone tool use in Romania discovered

Deep in the Vârghiș Gorges, tucked away in the dark recesses of a cave, researchers have found the first evidence that Neanderthals used bone tools in Romania.

9 hours ago
Phys.org / Historical DNA reveals largetooth sawfish have lost much of their genetic diversity

The genetic diversity of the largetooth sawfish (Pristis pristis), a critically endangered ray, has plummeted over the past century and a half, according to a study published in the Proceedings of the Royal Society B: Biological ...

8 hours ago
Tech Xplore / Should people marry AI agents?

The widespread use of conversational platforms such as ChatGPT and Gemini is raising important new ethical, anthropological and legal questions regarding the potential risks, misuses and shortcomings of artificial intelligence ...

8 hours ago
Phys.org / DNA origami nanosyringe actively transports molecules into synthetic cells

Transporting molecules across biological membranes is essential for life. In nature, this can occur through passive transport, known as diffusion. "Biological systems often use mechanical motion to accomplish tasks that cannot ...

2 hours ago
Phys.org / Mathematical model shows how birds create a synchronized dawn chorus

Every morning, groups of birds start singing and chirping around the same time, typically when the sun starts rising. While zoologists have been studying this collective bird behavior, called the dawn chorus, for decades, ...

4 hours ago