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Medical Xpress / Global rise in ultra-processed foods poses major public health threat, experts warn

The increase of UPFs in diets worldwide presents an urgent challenge to health that demands coordinated policies and advocacy action to address, says a new three-paper Series authored by 43 global experts and published in ...

Nov 18, 2025 in Health
Phys.org / Lost signal: How solar activity silenced Earth's radiation

Researchers from HSE University and the Space Research Institute of the Russian Academy of Sciences analyzed seven years of data from the ERG (Arase) satellite and, for the first time, provided a detailed description of a ...

Nov 19, 2025 in Astronomy & Space
Phys.org / Andes glaciers will fail to buffer megadroughts by century's end, study suggests

In light of the ongoing fifteen-year megadrought in Chile, an international team of researchers, including Francesca Pellicciotti from the Institute of Science and Technology Austria (ISTA), addressed a bold future scenario. ...

Nov 18, 2025 in Earth
Tech Xplore / Google unveils Gemini 3, aiming to turn its search engine into a 'thought partner'

Google is unleashing its Gemini 3 artificial intelligence model on its dominant search engine and other popular online services in the high-stakes battle to create technology that people can trust to enlighten them and manage ...

Nov 18, 2025 in Business
Phys.org / Algorithm finds smallest dataset that guarantees optimal solutions to complex problems

Determining the least expensive path for a new subway line underneath a metropolis like New York City is a colossal planning challenge—involving thousands of potential routes through hundreds of city blocks, each with uncertain ...

Nov 18, 2025 in Other Sciences
Medical Xpress / AI tool mimics pathologists to improve breast cancer tissue analysis accuracy

A research team led by two University of Maine Ph.D. students developed an artificial intelligence (AI) system that could make it easier and faster for doctors to identify signs of breast cancer in tissue samples, possibly ...

Nov 18, 2025 in Oncology & Cancer
Tech Xplore / Could atoms be reordered to enhance electronic devices?

The optical properties of a thin layer of the semiconductor germanium-tin (GeSn) sandwiched between barriers of silicon-germanium-tin (SiGeSn), a structure known as a quantum well, have been studied with a focus on improving ...

Phys.org / Fake survey answers from AI could quietly sway election predictions

Public opinion polls and other surveys rely on data to understand human behavior. New research from Dartmouth reveals that artificial intelligence can now corrupt public opinion surveys at scale—passing every quality check, ...

Nov 17, 2025 in Other Sciences
Medical Xpress / First fully synthetic brain tissue model engineered by scientists

For the first time, scientists have grown functional, brain-like tissue without using any animal-derived materials or added biological coatings. The development opens the door to more controlled and humane neurological drug ...

Nov 18, 2025 in Neuroscience
Phys.org / Weather behind past heat waves could return far deadlier

The weather patterns that produced some of Europe's most extreme heat waves over the past three decades could prove far more lethal if they strike in today's hotter climate, pushing weekly deaths toward levels seen during ...

Nov 18, 2025 in Earth
Medical Xpress / Even low-intensity smoking increases risk of heart attack and death, study finds

An analysis of data from almost two dozen long-term studies finds that even low-intensity smokers have a substantially higher risk of heart disease and death compared to people who never smoked, even years after they quit. ...

Nov 18, 2025 in Cardiology
Tech Xplore / Shrinking materials hold big potential for smart devices, researchers say

Wearable electronics could be more wearable, according to a research team at Penn State. The researchers have developed a scalable, versatile approach to designing and fabricating wireless, internet-enabled electronic systems ...