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Medical Xpress / Scientists uncover shared biology behind profound fatigue in five major illnesses

A shared biological mechanism that helps explain chronic exhaustion in conditions including long COVID and PTSD has been identified by researchers at the University of East Anglia and Oxford BioDynamics. The paper, published ...

4 hours ago
Medical Xpress / Brain scans reveal new link between progesterone and women's mood

The influence of the hormone progesterone on mood is well known. Now, researchers from the University of Barcelona have shown how higher levels of progesterone during the menstrual cycle are linked to less distinct patterns ...

4 hours ago
Phys.org / Animal-bone records reveal how cattle and sheep fueled medieval England's changing economy

As populations expanded in medieval England, key changes occurred in the uses of cattle and sheep to produce food and materials, according to a study published Sept. 2, 2026, in the journal PLOS One by Matilda Holmes of the ...

9 hours ago
Phys.org / AI automates the creation of custom functional materials atom by atom

Imagine a construction site where the bricks are individual molecules and the "cranes" are microscopic needles so sharp they can feel a single atom. For decades, building at this scale was a laborious, time-consuming task ...

8 hours ago
Phys.org / Pacific islands to face food shortages due to global warming: Scientists

The Pacific islands will face food shortages, and drinking water will be affected by rising seas, scientists said Wednesday, as a U.N. report found the world would fail to limit global warming to 1.5°C.

2 hours ago
Phys.org / New nanostructure makes non-linear light conversion 72,000 times more efficient

Researchers from Graz University of Technology (TU Graz), Harvard and the University of Texas at Austin (UT Austin) have developed an innovative method for coupling light non-linearly. This opens up new possibilities for ...

9 hours ago
Tech Xplore / Two molecules work together to seal microscopic gaps in perovskite solar cells

A research team has developed a dual-molecule passivation technology that simultaneously improves the efficiency and stability of inverted perovskite solar cells. The research is published in the journal ACS Applied Materials ...

8 hours ago
Medical Xpress / Fertility may drive a woman's desire for luxury

Hormonal fluctuations associated with fertility are associated with a greater tendency for women to use conspicuous luxury symbols, potentially to be noticed by men, according to a study published in PLOS One by Aekyoung ...

9 hours ago
Tech Xplore / Why did your robotaxi stop? New system helps predict self-driving car mistakes

Self-driving cars are often controlled by deep learning models that sometimes fail in unexpected situations. For instance, the car might inexplicably brake and block the path of an oncoming emergency vehicle. A human driver ...

7 hours ago
Phys.org / Trapped light generates nanoscale magnetization

Using an engineered metasurface that traps light, Cornell researchers have demonstrated a new way to generate strong static magnetic fields without using external magnets or magnetic materials—an approach that could advance ...

4 hours ago
Phys.org / Hawai'i high school students name image of glittering galaxy pair

Nā ʻUhane Māhoe Huki Pū i ke Ola is the Hawaiian name given to NGC 7253—a pair of spiral galaxies caught in each other's gravity. Captured by the Gemini North telescope on Maunakea in Hawai'i, the image created a spectacular ...

13 hours ago
Phys.org / Young sunlike system reveals comets may carry water toward forming planets

Astronomers at Lund University in Sweden have found evidence of exocomets—comets in other solar systems—orbiting a young star similar to our sun. The observations point to a possible mechanism for how water might be transported ...

11 hours ago