All News

Phys.org / New database enables comparative archaeological and historical urbanism

Archaeology offers an unparalleled material record of urban dynamics, spanning thousands of years and operating in varied environmental and cultural contexts. The diverse perspectives provided by the archaeological record ...

23 minutes ago in Other Sciences
Medical Xpress / Can chemo-resistant cancer cells be resensitized?

Overcoming tumor resistance to chemotherapy drugs has long been a challenge for oncology clinicians and researchers. Now, a new study suggests that blocking a key protein, p300, may force damaged cancer cells into a state ...

4 minutes ago in Oncology & Cancer
Medical Xpress / Brain network identified for effective treatment of Parkinson's disease

Deep brain stimulation (DBS) improves motor symptoms of Parkinson's disease by modulating a specific brain network that is mainly active in the fast beta frequency range (20 to 35 Hz). This conclusion was reached by an interdisciplinary ...

43 minutes ago in Neuroscience
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 ...

17 minutes ago in Biology
Medical Xpress / New tool spots early signs of infection after breast cancer reconstruction

In the U.S., one in eight women will get breast cancer in their lifetime, and about half of them will have mastectomies. Many of those women opt to have their breasts surgically reconstructed, most commonly with implants, ...

55 minutes ago in Surgery
Phys.org / Extreme plasma acceleration in monster shocks offers new explanation for fast radio bursts

In a new study published in Physical Review Letters, scientists have performed the first global simulations of monster shocks—some of the strongest shocks in the universe—revealing how these extreme events in magnetar ...

1 hour ago in Physics
Tech Xplore / Interface engineering lifts perovskite solar cell performance to 26.19% efficiency

Researchers from the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences, in collaboration with international partners, have engineered a thin two-dimensional perovskite phase ...

1 hour ago in Engineering
Phys.org / Engineered enzymes enable greener one-pot amide synthesis for drug manufacturing

A single type of chemical structure that shows up again and again in modern medicine is the amide bond that links a carbonyl group (C=O) to a nitrogen atom. They're so ubiquitous that 117 of the top 200 small-molecule drugs ...

2 hours ago in Chemistry
Medical Xpress / The body processes good fats and bad fats differently, study finds

The concept of "good fats" and "bad fats" has influenced diet trends, public health policy, and biomedical research for decades. Now, a new study led by Thomas A. Vallim, Ph.D., a researcher and professor of medicine in the ...

Medical Xpress / Maternal perinatal depression may increase the risk of autistic-related traits in girls

A research team from the Department of Psychiatry at Tohoku University, led by Dr. Zhiqian Yu and Professor Hiroaki Tomita, has uncovered compelling evidence that maternal perinatal depression—psychological distress occurring ...

1 hour ago in Psychology & Psychiatry
Medical Xpress / Sleep disruption damages gut's self-repair ability via stress signals from brain: A biological chain reaction

Chronic sleep disruption doesn't just leave people tired and irritable. It may quietly undermine the gut's ability to repair itself, increasing vulnerability to serious digestive diseases. A new study from the University ...

1 hour ago in Sleep disorders
Phys.org / When silicon fills the role of carbon: Debut of all-silicon cyclopentadienides

Carbon's unique chemical properties allow it to be an essential building block for life on Earth and many other molecules we rely on for day-to-day life—but what about carbon's neighbor? Silicon is located one row below ...

1 hour ago in Chemistry