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Medical Xpress / Rapid blood pressure fluctuations linked to early signs of brain degeneration in older adults

Even when blood pressure is well controlled, older adults whose blood pressure fluctuates widely from one heartbeat to the next may be at greater risk for brain shrinkage and nerve cell injury, according to a new study led ...

Oct 30, 2025 in Neuroscience
Tech Xplore / Microsoft prepares to spend more on AI as its sales and profit surge

Microsoft on Wednesday reported its quarterly sales grew 18% to $77.7 billion, beating Wall Street expectations while also surprising some investors with the huge amounts of money it is spending to expand its cloud computing ...

Oct 30, 2025 in Business
Medical Xpress / A 'mirror' amino acid selectively impairs growth of certain tumors

Researchers from UNIGE and Marburg show that D-cysteine, the "mirror" form of cysteine, selectively targets certain cancer cells.

Oct 27, 2025 in Oncology & Cancer
Medical Xpress / Four research-backed ways to beat the winter blues in the colder months

As winter approaches and daylight saving time is about to end, many people are bracing themselves for shorter days, colder weather and what's often dismissed as the "winter blues." But these seasonal shifts are more than ...

Oct 30, 2025 in Psychology & Psychiatry
Medical Xpress / The surprising ways Halloween treats can interact with your medications

As Halloween approaches, the air fills with excitement. Costumes are planned, pumpkins are carved, and the promise of sweet treats is everywhere. But while dipping into chocolates and colorful candies may seem harmless, some ...

Oct 30, 2025 in Health
Phys.org / Electrochemical system converts plant compound into two valuable products at once

A research team has created a new kind of electrochemical "two-in-one" system that turns plant-based molecules into two useful products at once. Using a finely tuned single-atom ruthenium catalyst, the process combines two ...

Oct 30, 2025 in Chemistry
Phys.org / Record-breaking quantum key distribution transmission distance achieved alongside classical channels

Quantum key distribution (QKD) harnesses the power of quantum mechanics to securely transmit confidential information. When an outside source eavesdrops on a QKD transmission, the quantum states are affected. This dependably ...

Oct 24, 2025 in Physics
Medical Xpress / Transcription factor drives chemotherapy resistance in ovarian cancer

Northwestern Medicine scientists have discovered how a specific transcription factor promotes genetic reprogramming and chemotherapy resistance in ovarian cancer cells, findings that may inform new targeted treatment approaches ...

Oct 30, 2025 in Genetics
Medical Xpress / Ultrasound probe can image an entire organ in 4D

For the first time, a team of Inserm researchers from the Physics for Medicine Institute (Inserm/ESPCI Paris-PSL/CNRS) has succeeded in mapping the blood flow of an entire organ in animals (heart, kidney and liver) with great ...

Oct 28, 2025 in Radiology & Imaging
Phys.org / What wheat fibers do in sourdough bread: Shedding light on an age-old tradition

Bread has been a staple food for thousands of years, and in recent times sourdough bread has been making a comeback. It is regarded as natural, nutritious, and full of flavor. But what exactly happens during this complex ...

Oct 30, 2025 in Biology
Medical Xpress / Decentralized future: Expanding clinical trials by allowing people to participate from home

As the world becomes more digital, clinical research is evolving. One major change is the rise of decentralized clinical trials, or DCTs. Unlike traditional trials that require participants to visit hospitals or research ...

Oct 30, 2025 in Medical research
Phys.org / New images reveal the Milky Way's stunning galactic plane in more detail than ever before

The Milky Way is a rich and complex environment. We see it as a luminous line stretching across the night sky, composed of innumerable stars.

Oct 29, 2025 in Astronomy & Space